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Sr and Mn co-doping PrBaFe2O5+δ optimizes the electrochemical performance and stability of solid oxide fuel cell cathode J. Alloys Compd. (IF 5.8) Pub Date : 2024-09-01 Ru Song, Dong Guo, Aoye Li, Yaowei Liu, Zhiyong Jin, Chunling Lu, Dongchao Qiu, Bingbing Niu, Biao Wang
Developing cobalt-free cathode with high stability and high electrochemical activity is very important for constructing low-cost, high-performance solid oxide fuel cells. Layered perovskite PrBaFeO (PBF) is known to ave important magnetic, oxygen exchange kinetic and electrochemical properties. In this study, Sr and Mn co-doping A-site and B-site of PrBaSrFeMnO (PBSFM) electrode was synthesized and
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Influence of B-site cation on the structural and catalytic properties of LaBO3 (B = Fe, Cu, Co, or Fe + Cu) perovskites J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-30 Alice G. Leonel, Himad A. Alcamand, Mariana Pio V. Diniz, Pedro L. Gastelois, Klaus Krambrock, Manuel Houmard, Eduardo H.M. Nunes
Perovskite-type mixed oxides have been widely used in catalysis in recent years due to their high structural versatility. In this study, we synthesized La-based perovskites by changing the metal present at the B-site, including Cu, Fe, Co, and a combination of Cu and Fe. These materials were prepared using the citrate process, with special attention to environmental safety by avoiding the use of organic
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Nanoarchitectonics of few-layer Ni3Fe nanosheets embedded porous nitrogen-doped carbon derived from asphalt waste: An efficient electrocatalyst for oxygen evolution reaction J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-30 Wenlong Zhao, Huangbin Shangguan, Zhiyi Liu, Jing Lin, Congshu Huang, Hongyi Chen, Xiaoxiao Zhang, Jianzhi Wang, Faquan Yu
The design and fabrication of stable, high-performance, and affordable oxygen evolution reaction (OER) electrocatalysts is essential for performing practical water electrolysis and generating green hydrogen energy. Here, we report that 2D few layer NiFe nanosheets embedded with 2D porous nitrogen doped carbon (N-NiFe@CF) from asphalt waste and then convolved and assembled into 1D hollow nanotube structures
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Advancing our understanding of the effect of Al/Mo substitution in the TiVNb alloy on the hydrogen storage properties J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-30 Nayely Pineda-Romero, Loïc Perrière, Erik Elkaim, Claudia Zlotea
The refractory body-centered cubic () high entropy alloys (HEAs) have shown large hydrogen uptake around 2.0 H/M, but challenges remain, the most important being the high stability of the hydrides, which requires high desorption temperatures. In this work, we reported an efficient hydride destabilization with the addition Al/Mo as non-hydride forming elements in the ternary TiVNb alloy. The alloys
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Large magnetocaloric effect of RCoSn (R=Dy, Ho, Er and Tm) compounds J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-30 Shanshan Zhen, Xinqi Zheng, Dingsong Wang, Yawei Gao, Hao Liu, Yang Pan, Lei Xi, Guyue Wang, Zixiao Zhang, Guangrui Zhang, Anxu Ma, Zhe Chen, Jiawang Xu, Shouguo Wang, Baogen Shen
Materials with large magnetocaloric effect (MCE) at low temperatures under low field changes play an important role in the application of cryogenic magnetic refrigeration and attract extensive research interests of researchers. In this work, four ternary rare-earth-based RCoSn (R=Dy, Ho, Er and Tm) compounds were successfully synthesized and the crystal structure, magnetic properties, magnetic phase
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A simple method for preparing Sb2S3/short-cut carbon fiber foam for the electrocatalytic degradation of dyes J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-30 Yawen Yuan, Shasha Liu, Peiqin Tang, Dong Yuan, Yan Zhang
The unstarched short-cut carbon fiber (SCF) foam modified with SbS nanoparticles (SbS/SCF foam) was synthesized by melamine foam as a template to apply in electro-degradation of methyl orange (MO) and a mixture of dyes. This process takes full advantage of the self-supported 3D SCF foam's mechanical stability and electrical conductivity while preventing the aggregation of unstarched SCF and SbS nanoparticles
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Effect of forming strategies on the microstructure and mechanical properties of thin-walled CuCrZr alloy fabricated by selective laser melting J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-30 Xintao Guo, Yaqin Yang, Bin Liu, Zezhou Kuai, Senming Zhang, Yuan Gao, Zhonghua Li, Peikang Bai
Thin-walled structures are widely used in industrial fields such as radiators and critical aerospace components due to their advantages in lightweight design. However, traditional manufacturing techniques struggle to meet the high-precision requirements for complex components. Selective Laser Melting (SLM) technology, characterized by high design flexibility and high geometric production freedom, is
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Oxidation mechanism of the Si-X (X=HfO2, Yb2O3 or HfO2+Yb2O3) composite systems in air and water vapor at 1300 ℃ J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-30 Panxin Huang, Kexue Peng, Guifang Han, Jianzhang Li, Shikang Xiao, Xinxin Cao, Jingde Zhang
The formation rate of SiO during oxidation of Si bond layer is a key issue to determine the lifetime of environmental barrier coatings. The oxidation kinetics and mechanism of Si and Si-X (X=HfO, YbO or HfO+YbO) composite systems were investigated systematically. The thickness of the SiO layer was greatly reduced by the dynamic formation of silicates (HfSiO, YbSiO and YbSiO) in air and water vapor
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Selective trimethylamine sensors based on Co3O4 modified WO3 spheres J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-30 Feifei Wang, Chong Wang, Zhenkai Zhang, Erdong Liang, Chen Yue, Zhenyue Liu, Xiaoming Tan, Xingtai Chen, Davoud Dastan, Xi-Tao Yin
CoO modified WO microspheres with excellent trimethylamine (TMA) gas sensitive performance were prepared by a simple hydrothermal method using ZIF-67 as a template. The morphology, elemental composition, structure of the compounds, and gas-sensitive properties of the sensors based on them were researched by SEM, XRD, XPS as well as the gas-sensing analysis system. The prepared CoO modified WO spheres
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Influence of spatial position of sound source on dual-frequency ultrasound-assisted preparation of magnesium alloy J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-30 Zhaoyang Yin, Qichi Le, Weiyang Zhou, Tong Wang, Qiyu Liao, Lei Bao, Dazhi Zhao
In this work, a dual-frequency ultrasonic field was employed to improve the quality and mechanical properties of magnesium alloy ZW61 ingot. The effect of the spatial position of the sound source on the cavitation volume, microstructure size, and morphology was discussed in detail combined with numerical simulations and experiments. The mechanical properties were analyzed elaborately and the relationship
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Preparation of MoS2 nanosheets/nitrogen-doped carbon nanotubes/MoS2 nanoparticles and their electrochemical energy storage properties J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-30 Guozhi Wu, Fan Wang, Jie Yang, Tao Wang, Shanqing Li, Jiarui Huang
Inferior electrical conductivity, huge volume swell, shuttle effect and slow redox reactions in Li-S batteries restrict their practical applications. In this study, molybdenum disulfide nanosheets anchored on nitrogen-doped carbon nanotubes encapsulating molybdenum disulfide nanoparticles (MoS/NC/MoS NTs) were prepared by heat treatment, ammonia etching, high-temperature sulfurization, and solvent-thermal
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Highly thermostable and color tunable Dy3+/Sm3+ co-doped germanate phosphors for solid-state lighting J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-30 Huan Tang, Yue Qin, Xiaoyang Zhao, Lixin Liu, Zibo Huang, Jingkai Quan, Youwen Tang, Jing Zhu
Currently, developing thermostable and color tunable phosphor via energy transfer strategy is a significant research topic in solid-state lighting field. Herein, the sensitizer Dy and activator Sm are solidly dissolved into the BaYGeO (BYGO) matrix to prepare color-tunable germanate phosphors BYGO:Dy,Sm. Under 365 nm excitation, the energy transfer-induced tunable emission of Dy/Sm co-doped phosphors
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Interfacial structure and corrosion resistance of Zn-3Al-3Mg coatings by hot-dip with a novel process J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-30 Dong Han, Haiyao Wu, Zhaoyang Zheng, Hailong Zhang, An Du, Ruina Ma, Yongzhe Fan, Xue Zhao, Xiaoming Cao
Zinc-aluminum-magnesium (Zn-Al-Mg) coatings are widely used due to their exceptional corrosion resistance. This study focuses on Zn-3Al-3Mg coatings produced through a novel hot-dip coating method, investigating the coatings' interface structure and corrosion resistance. The coating surface is primarily composed of pure zinc phase, binary eutectic (Zn/MgZn), and ternary eutectic (Zn/Al/MgZn), with
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Oxygen vacancy defect engineering in MoO2/Mo-doped BiOCl Ohmic junctions for enhanced photocatalytic antibiotic elimination J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-30 Xiao-Mei Zhang, Chong Xu, Chang-Bin Yu, Kai Yang, Kang-Qiang Lu, Wei-Ya Huang, Zhao-Qing Liu
Vacancy defect engineering is an effective strategy for improving photocatalytic activity, but controlling surface vacancies precisely remains a challenge. In this study, MoO/Mo doped BiOCl (Mo-BiOCl) composites enriched with oxygen vacancies (OVs) were prepared by a facile defect engineering strategy with MoO hollow spheres as a precursor and molybdenum sources, where the slowly released Mo ions in
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Pt nanoparticles loaded on three-dimensional porous carbon as electrocatalysts for hydrogen evolution reaction J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-30 Xinglan Zhou, Jiahui Zhang, Xiaoyan Lan, Zipan Jiao, Bingxin Liu, Yunsi Wang, Peng Zhang, Benhua Xu
The electrochemical catalytic hydrogen evolution reaction (HER) holds significant potential for the sustainable production of environmentally friendly hydrogen energy. Currently, the precious metal Pt is widely acknowledged as the most superior electrocatalyst. However, its limited availability and exorbitant cost impede its extensive application. In this study, low Pt-loaded three-dimensional (3D)
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Electrodeposited Zn-Mn on three-dimensional electrodes as anodes in liquid and quasi-solid-state zinc-air batteries J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-30 Alejandro Arredondo-Espínola, Gabriel Trejo, Lorena Álvarez-Contreras, Noé Arjona, Minerva Guerra-Balcázar
Zinc-air batteries (ZABs) are eco-friendly and sustainable energy storage devices. There are different challenges to overcome in ZABs, where anodic issues such as shape changes, passivation, self-corrosion, and dendrite formation require urgent solutions. In this work, Zn and Zn-Mn alloys were electrodeposited on three-dimensional porous carbon electrodes varying the Mn composition (2, 20 and 40 g L)
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MnS doping regulating Co active sites on fibrous cobalt nitride as bifunctional oxygen electrocatalyst for high-performance Zn-air battery J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-30 Xinmeng Yu, Xiaorong Chen, Dandan Yue, Fenghua Zheng, Qingyu Li, Zhaoling Ma, Hongqiang Wang
Aiming to achieve high-efficiency bifunctional catalysts, doping engineering is applied to construct bifunctional catalysts for oxygen electrodes in Zn-air batteries to strengthen the catalytic kinetics of oxygen reduction reaction (ORR) and oxygen evolution reaction (OER). Herein, MnS doped cobalt nitride catalyst (MnS/CoN) with divergent fiber morphology is prepared by low temperature nitriding for
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Efficient hydrodeoxygenation of cresol by hierarchical porous FLRC-TiO2 nanoflower J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-30 Nan Jiang, Jiayou Li, Qiang Zhang, Ming Tan, Weijun Gao, Bolong Jiang
The construction of highly efficient and selective hydrodeoxygenation (HDO) catalysts is of great significance for upgrading pyrolysis oil. In this work, nickel and iron-based NiFe()/FLRC-TiO catalysts with a flower-like radial channel structure were successfully fabricated with a facile strategy. The effects of Ni/Fe molar ratios and operation conditions on the structure, morphology and HDO performance
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An investigation of the microstructure and properties of rolled W-Al2O3 alloy J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-29 Liya Cui, Changji Wang, Kunming Pan, Shizhong Wei, Ziwen Zhao, Hua Yu, Chong Chen, Tao Jiang, Feng Mao, Cheng Zhang, Caihong Dou, Di Dong
Pure tungsten and tungsten alloys have been widely used in metallurgy, energy, chemical industry, aerospace, national defense, electronics and other fields. However, there are inevitably some problems in the use of the process, such as high deformation resistance in the forming process prone to crack and fracture, coarse grain and low bending strength problems. AlO particles were added to improve the
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The influence of graphene oxide on the microstructure and properties of ultrafine-grained copper processed by high-pressure torsion J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-29 Maria Emerla, Piotr Bazarnik, Yi Huang, Anita Wojciechowska, Marta Ciemiorek, Jarosław Pura, Monika Wieczorek-Czarnocka, Purbayanto Muhammad Abiyyu Kenichi, Agnieszka Jastrzębska, Małgorzata Lewandowska, Terence G. Langdon
New metal matrix nanocomposites with enhanced thermal stability were produced in a three step process consisting of mechanical milling, spark plasma sintering and High-Pressure Torsion (HPT). The nanocomposites consisted of a copper matrix and the addition of 1 wt% Graphene Oxide (GO) as a reinforcement. A nanocrystalline microstructure, enhanced hardness and improved thermal stability were achieved
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Stable and efficient microwave absorption performances: Design from polydopamine/polyethyleneimine encapsulated FeSiAl flaky composites to frustum of a cone array J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-29 Fengyuan Shen, Yuanhong Wan, Hanyu Yao, Xianguo Liu, Di Lan
The typical microwave absorber usually exhibits the large variations in absorption behavior with absorbing thickness (>10 % for a change in absorber thickness by 10 %). How to obtain broad, strong and stable microwave absorption performances still remains a challenge. In this work, a vertical ball milling technique followed by a co-deposition method in alkaline solution is developed to prepare polydopamine
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Exfoliated MoS2 with tunable size effect towards anticorrosion application J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-29 Kuilin Lv, Huachao Ma, Xiaogen Liu, Ying Zhu, Detian Wan
MoS sheets are becoming more and more active in the field of anticorrosion coatings. In this work, different size of MoS were fabricated by a simple gradient centrifugation approach then introduced into epoxy coatings (EP). Composite coatings with smaller size and larger size of MoS were also prepared for comparison. Anticorrosion properties of the coatings were evaluated via electrochemical spectroscopy
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Sintering, microstructure and mechanical properties of anorthite-based ceramics prepared from iron-extracted steel slag J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-29 Lei Xu, Yuxuan Wang, Xubiao Li, Yang Liu, Min Chen
Steel slag is a promising source of ceramic materials, but it causes a waste of iron resources and inferior ceramic performance because the slag contains over 30 % iron oxides. To deal with this problem, we proposed a two-step utilization process for steel slag, including iron extraction by smelting reduction and ceramics preparation from residual slag. In this work, the effect of the reduced slag
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Revealing a volcano correlation of sulfur reduction catalytic activity and elements doping in cobalt-based sulfides for Li-S batteries J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-29 Jian Zhu, Peng Zeng, Xuelin Huang, Hao Wang, Manfang Chen, Xianyou Wang
The effective utilization of Li-S batteries still necessitates the incorporation of an efficient catalytic medium to address the challenges posed by shuttle effects and sluggish reaction kinetics. Furthermore, the structure-activity relationship of catalysts for the sulfur reduction reaction remains inadequately understood. In this study, we utilize CoS as a template to investigate the correlation
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Pulsed laser surface texturing enhancing corrosion resistance of rare-earth WE43 magnesium alloys in simulated body fluid environment J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-29 Rui Chen, Yansheng Yao, Jiale Yong, Suwan Zhu, Xinpeng Xu, Nianwei Dai
The addition of rare earth (RE) elements in Magnesium (Mg) alloys could optimize alloy microstructures and improve the mechanical property. The corrosion resistance however is a tough issue that limits its application as biomedical materials in human bodies. In this work, a green, fast and economical method of pulsed laser surface texturing (PLST) was employed to modify the RE WE43 Mg alloys and the
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Effect of Si3N4 on the in-situ synthetized non-oxide reinforcements in Al-Al2O3 composites under N2 atmosphere J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-28 Chenhong Ma, Yong Li, Peng Jiang, Yuan Gao, Chenrui Zhao, Yang Sun
Al-AlO composite is widely used in high-temperature industry due to its excellent properties obtained through in-situ synthesis of non-oxide reinforcing phases. The effect of nitrogen source on the non-oxide reinforcing phases synthesized in-situ in the Al-AlO composites at 1500 °C was investigated. The results show that when N-gas is the sole nitrogen source, AlOC is the major reinforcing phase formed
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Corrosion and mechanical properties of bioresorbable composite based on Fe-Cu-hydroxyapatite powders J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-28 Valentina V. Chebodaeva, Nikita A. Luginin, Anastasiya E. Rezvanova, Olga V. Bakina, Natalya V. Svarovskaya, Konstantin V. Suliz, Nikolay G. Rodkevich
In this work, bimetallic Fe-Cu nanopowders with the addition of hydroxyapatite (HAp) were used for the fabrication of composite biodegradable material suitable for extrusion additive manufacturing processes. Varying the metal and organic binder constituents in the feedstock has led to high performance composite material. Increasing the organic binder content in the initial feedstock from 50 to 60 wt%
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Enhanced magnetocaloric and cold storage properties in HoCu2-xNix (x=0.05–0.5) compounds for hydrogen liquefaction J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-28 Lu Tian, Haobo Sun, Zhaojun Mo, Jianjian Gong, Xinqing Gao, Zhenxing Li, Guodong Liu, Jun Shen
Based on first-principle calculations and experiments, the electronic structure, magnetism, magnetocaloric effect and cold storage properties of HoCuNi (x=0.05–0.5) compounds have been investigated. The theoretical calculations revealed that the magnetic interactions of the HoCuNi compounds were gradually transformed to ferromagnetic states when the Ni element was added above 0.0625. In addition, the
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Simultaneously improving the strength and ductility of an oxide dispersion-strengthened high-entropy alloy by employing innovative precursors for oxide formation J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-28 Pei Wang, Zhenkai Qi, Qiaomin Li, Youjing Zhang, Xingwang Cheng, Xiao Wu, Shunqi Mei
The engineering of a composite microstructure, achieved by coupling heterogeneous grain distribution with oxide dispersion, has been demonstrated as an effective strategy for enhancing the strength-ductility synergy of alloys at both room and elevated temperatures. The effectiveness of this approach is strongly correlated with the micro-features of dispersed oxides. In this study, we selected the NiCoCrFeTi
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High-performance electromagnetic wave absorption in VS2@multi-walled carbon nanotube composites J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-28 Chuanhe Wang, Weiao Kong, Gen Li, Min Zhang, Yani Zhang, Zhidong Liu, Lin Zu, Wei Ding, Huanian Zhang, Shugang Tan
In this work, composites comprising VS and multi-walled carbon nanotubes (MWCNTs) were prepared using a simple hydrothermal method. The MWCNTs were dispersed among the VS nanosheets, which produced dipole polarization and interfacial polarization, thus enhancing the dielectric loss. Meanwhile, the electrical conductivity of the composites gradually increased with the rising content of the MWCNTs, which
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Co(OH)2 derived from in-situ conversion of metal Co confined within a spongy porous carbon for high-performance lithium-ion battery anode J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-28 Dian Yang, Chao Li, Jizhang Chen, Zhuyin Sui, Qinghua Tian, Liang Cui
Fabricating Co(OH)/C composites is considered as an efficient solution to poor conductivity and significant volume expansion issues of Co(OH) anode during cycle, but the easy conversion of Co(OH) into cobalt oxides during thermal treatment process limits structural design of materials and selection of carbon precursors, hence constricting the diversified design and structural optimization of the Co(OH)/C
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Comparison of microstructure, mechanical properties and corrosion resistance of Ti6321 alloy by wire-arc directed energy deposition versus rolling J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-28 Xin He, Hao Yi, Wenjun Zhang, Yanchao Yin, Yaqun Liu, Huajun Cao
Ti-6Al-3Nb-2Zr-1Mo (Ti6321) alloy, as a new type of marine metal, has excellent corrosion resistance and mechanical properties, but its application is restricted by the traditional manufacturing processes. Wire-arc directed energy deposition (DED) has some incomparable advantages in the efficient and customized fabrication of large/extra-large components, which makes it become a potential manufacturing
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Controlling the surface oxidation state of halogenated Cu-based catalyst for electrochemical reduction of carbon dioxide to ethylene J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-28 Seonghyun Choe, Junhyeong Kim, Soo Young Kim, Sang Hyun Ahn
The electrochemical CO reduction reaction (CORR) has attracted significant attention as strategy for achieving carbon neutrality. Among the candidate materials for the CORR, Cu-based electrocatalysts can potentially produce various high-value carbon products. However, the diversity of their products obtained via CORR induces low selectivity and hinders the acquisition of a specific product with a high
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Rolling strategy for highly efficient preparation of phosphating interface enabled the stable lithium anode J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-28 Shaozhen Huang, Kun Li, Zhiyuan He, Yicai Wang, Canglong Li, Huimiao Li, Huaming Yu, Yuejiao Chen, Libao Chen
Lithium metal anode has an ultra-high theoretical specific capacity and the lowest reduction potential, regarded as the next-generation anode material for high-energy-density batteries. However, the lithium metal anode suffers from the severe side reaction and Li dendrite growth caused by the inhomogeneous deposition of Li on the anode during the electrochemical cycling. Herein, a strategy is proposed
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A novel all-solid-state Z-scheme BiVO4/Ag/Cu2O heterojunction: Photocatalytic and photothermal synergistic catalysis of tetracycline under simulated sunlight irradiation J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-28 Xiaohan Wang, Wenshi Zhao, Boya Ma, Sihan Qian, Yu Wu, Xiaolong Zhang, Naveen Reddy Kadasala, Yuhong Jiang, Yang Liu
The possible hazards posed by tetracycline (TC) to the environment and public health have made it a critical concern. In this work, the all-solid-state Z-scheme heterojunction BiVO/Ag/CuO nanocomposites (NCs) were synthesized through a hydrothermal approach for the purpose of achieving efficient degradation towards TC. BiVO/Ag/CuO NCs were able to efficiently degrade TC when exposed to simulated sunlight
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Effect of deep cryogenic treatment on microstructure and mechanical properties of Fe50Mn30Co10Cr10 high entropy alloy fabricated by laser metal deposition J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-28 Guocheng Liu, Tianqi Dang, Ning Hu, Ming Sun, Jianjiang Li, Wenting Wei, Lin Hua
As a typical additive manufacturing technology, laser metal deposition (LMD) has been widely used to process high entropy alloy (HEA). However, deposited products usually have poor mechanical properties. In this study, deep cryogenic treatment (DCT) is proposed to enhance the mechanical performance of the laser melting deposited FeMnCoCr high entropy alloy. The tensile strength, hardness and strength-plasticity
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Superior energy storage performance of Sr0.7Bi0.2TiO3-modified Na0.5Bi0.5TiO3-K0.7La0.1NbO3 lead-free ferroelectric ceramics J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-27 Xinyu Liu, Qin Li, Ting Wang, Weiping Gong, Taotao Ai, Yang He, Xinyu Chen, Minghui Hao, Minghui He, Meng Qi, Yuxiang He, Alexander N. Vtyurin, Chunlin Song, Gang Liu, Yan Yan
NaBiTiO (NBT)-based ceramics exhibit significant potential as energy storage dielectric materials due to their high maximum polarization (). However, their limited energy storage density significantly restricts their practical applications. To address this, this study optimizes the dielectric energy storage characteristics of lead-free relaxor ferroelectric ceramics based on 0.91NaBiTiO-0.09 KLaNbO
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Optimizing the mechanical and corrosion properties of an ultrafine-grained Al-Cu-Mg alloy through cyclic deformation: Clusters and lattice defects J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-27 Ying Chen, Chenchen Wu, Maolan Zhu, Houan Zhang, Qianting Wang, Sandeep Sahu, Nong Gao, Gang Sha, Marco J. Starink
To optimize its corrosion and mechanical properties, an Al-Cu-Mg alloy is cyclically processed by high-pressure torsion (HPT), involving a 1/2 turn clockwise and a 1/2 turn counter-clockwise per cycle. The dislocation density increases to 3.04×10 m on 1 cycle HPT and decreases gradually to 2.23×10 m for higher cyclic rotations (i.e. 5 cycle HPT). Due to the rapid elimination of the geometrically necessary
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Achieving room temperature hydrogen storage reversibility in Nb-rich alloys of the Nb-Cr-Mn system J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-27 Bruno Hessel Silva, Walter José Botta, Guilherme Zepon
Recent developments in the design of body-centered cubic (BCC) multicomponent alloys via computational tools have demonstrated the possibility of obtaining alloys with excellent hydrogen storage behavior. In this work, we employ the CALPHAD (Calculation of Phase Diagrams) method to design Nb-rich alloys of the Nb-Cr-Mn system that present hydrogen storage reversibility at room temperature under moderate
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Effect of Mg microalloying on the microstructure and properties of conductive Cu-Ni-Al alloy with ultra-high strength J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-27 Hongtao Zhang, Jialin He, Jiarui Zhu, Jingtai Sun, Xingzhi Zhao, Huadong Fu
Building upon the high-performance Cu-13.3Ni-6.7Al alloy, we investigated the effects of microalloying with four different Mg concentrations: 0.25 at%, 0.50 at%, 1.00 at%, and 2.00 at% on the microstructure and properties of ultra-high strength, conductive Cu-Ni-Al alloys. Notably, the alloy containing 1.00 at% Mg, after aging treatment at 500°C for 24 hours, exhibited superior comprehensive properties
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Performance and mechanism of electrocatalytic oxidation of urea based on carbon-doped FeCoNiCrMn high entropy alloy film J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-27 Hongyuan Zheng, Zhenghua He, Haiyan Wang, Yupeng Zhang, Binhao Qin
The application and research of high entropy alloy electrodes in urea oxidation reactions (UOR) are significant. In this study, FeCoNiCrMn, FeCoNiCrMnO, and FeCoNiCrMnC high entropy alloy thin films were prepared by magnetron sputtering by controlling the sputtering power, varying the sputtering atmosphere, and using double target co-sputtering, respectively. The microstructure and surface morphology
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Carbothermal shock synthesis of FeCoNiPtRu high-entropy alloy for dual-function water splitting in alkaline media J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-27 Miaomiao Geng, Yingjing Zhu, Jibiao Guan, Rui Zhang, Qun Zou, Lina Wang, Baochun Guo, Ming Zhang
The development of dual-function catalysts with high activity and durability is essential in overall water splitting applications. In this work, FeCoNiPtRu HEA was rapidly synthesized on carbon support by carbothermal shock process. The synergistic interaction among metal elements enhanced the catalytic activity. The catalyst demonstrated overpotentials of 104 mV for HER and 331 mV for OER at 10 mA cm
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Phase transformation during solid-solution and aging treatment of a Mg-Gd-Y-Zn-Zr alloy containing LPSO and W phases J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-27 Mingyang Chen, Xin Tao, Liqing Wang, Kai Ma, DongDong Zhang, Yunlong Li, Shouzheng Wei, Zhen Zhang, Zhanyong Zhao, Peikang Bai
In this study, solid-solution and aging treatments were conducted on a hot-drawn Mg-9.5Gd-4Y–2Zn-0.3Zr alloy wire, which included long period stacking order (LPSO) phases and a MgZnRE (W phase) with a diameter of 4 mm. Subsequently, the phase transformations within the alloy were meticulously analyzed. Following solid solution treatment, the W-MgZnRE phase in the edge region almost completely dissolved
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Enhanced structural stability of P2-Na0.75Ni0.25Mn0.75-xTixO2 cathodes with high-voltage non-phase transitions property by Mn-sites manipulation strategy J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-27 Rui Huang, Shaohua Luo, Pengyu Li, Qi Sun, Kuo Sun, Wei Zhao, Jiachen Wang, Shengxue Yan
Ni/Mn-based cathode is regarded as a competitive candidate for sodium-ion batteries (SIBs) owing to its high theoretical capacity and low cost. Nevertheless, the issue of its poor cycling stability continues to be a significant obstacle. In this work, P2-NaNiMnTiO (NaNMT-x) cathode materials with high-voltage non-phase transitions property were successfully synthesized. Interestingly, Ti-doping strategy
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Studying the effect of Cr content on microstructure and deformation behavior of (NiCo)88-xCrxAl10Ta2 medium-entropy alloy through L-DED gradient material J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-27 Guangyao He, Lilin Wang, Lukai Yuan, Xin Lin, Weidong Huang
Optimization of Cr content is crucial for γ'-strengthened NiCoCr-based medium entropy alloys, influencing the stacking fault energy, deformation behavior and the precipitation of brittle σ phase. In this study, (NiCo)CrAlTa gradient materials were prepared by L-DED, and the influence of Cr content on the phase precipitation and tensile deformation behavior was investigated. As the Cr content decreases
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Polarization regulation in core-shell HNTs@Metal/C for high-performance of electromagnetic wave absorption J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-27 Deming Li, Ruru Gao, Qi Zhao, Daohu Sheng, Zelin Chen, Lanxuan Liu, Aming Xie
Enhancing polarization loss is an effective method to improve electromagnetic wave absorption (EMA) performance. However, constructing more interfaces and inducing defects is a significant challenge in polarization regulation. This paper reports synthesizing a core-shell structure HNTs@M/C (M=Cu, Co, Zn) by pyrolysis of metal-organic frameworks (MOFs). The enhancement of conduction loss is attributed
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Transition from γ' to γ'' in Mg-Gd-Zn-Mn alloys investigated by the experiments and combined calculation method (HKD) J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-26 Yiqiang Hao, Xia Chen, Zhenyang Liu, Bin Chen
The phase transformation during the aging process of magnesium alloys is crucial for controlling the precipitation-strengthening phase. This study discovered a novel phase transition from γ' to γ'' with experiments and utilized a combination method of high-throughput density functional theory (DFT) and kinetic Monte Carlo (KMC) methods (HKD) to calculate and analyze the γ' → γ'' transition in Mg-Gd-Zn-Mn
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An alternative chlorine-assisted optimization of CdS/Sb2Se3 solar cells: Towards understanding of chlorine incorporation mechanism J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-26 Sajeesh Vadakkedath Gopi, Nicolae Spalatu, Atanas Katerski, Jaroslav Kuliček, Bohuslav Razek, Egor Ukraintsev, Markéta Šlapal Bařinková, Guillaume Zoppi, Raitis Grzibovskis, Aivars Vembris, Liga Ignatane, Malle Krunks, Ilona Oja Acik
The current strategies in the development of SbSe thin film solar cells involve fabrication and optimization of superstrate and substrate device architectures, with the preferable choice for TiO and CdS heterojunction layers. For CdS-based superstrate cells, several studies reported the necessity to apply CdCl or other metal halide-based post-deposition treatment (PDT), highlighting improvement of
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Electrodeposited multiphase Sb, SbSn, Cu2Sb composite with superior chemical buffering as negative electrode for lithium-ion batteries: Effect of composition on lithiation behavior of Sb-Sn-Cu alloys J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-26 Ankit Dev Singh, A Andrews Cyril, Ghanshyam Varshney, Ayan Dey, Srijan Sengupta
Antimony-tin ternary alloys outperform graphite as negative electrodes for lithium-ion batteries, offering significantly higher gravimetric and volumetric capacities. These alloys, conductive without additives, can be electrodeposited without binders, enhancing cell design and capacity. Based on bath composition, Sn-rich or Sb-rich SbSnCu ternary alloys can be synthesized which undergoes active-active-inactive
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Investigation of the role of Ni addition in nano-crystallization of Fe-based amorphous alloys J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-26 Xuanyuan Zhang, Xiaoying Huang, Yunwu Liang, Yuanfei Cai, Yanan Chen, Meng Gao, Yoshiyuki Kawazoe, Rie Umetsu, Mingliang Xiang, Xiaojun Zhao, Yaocen Wang, Junqiang Wang, Yan Zhang
The influence of Ni addition on Fe-based nano-crystalline alloys during the nano-crystallization process is extensively studied by using first-principles molecular dynamics simulations and experiments. It was found that during the nucleation stage, Ni enhances the initial crystallization tendency by increasing the free energy difference between the amorphous and nano-crystalline structures, while prolonging
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Influence of lithium-ion doping on electrical and dielectric properties of zinc-borate-phosphate glass for improved energy storage J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-26 Dipankar Biswas, Arpan Mandal, Rittwick Mondal, Soumyajyoti Kabi, Nipu Modak
The glass samples with compositional range xLiO-(40-x)BO-25ZnO-35 PO(LBZP) (where x = 5, 10, 15, 20, and 25) were prepared with the melt-quench method. The density, molar volumes of these glasses was estimated employing Archimedes’s principle. The electrical properties of these glasses employing the impedance spectrometer have been investigated thoroughly at temperatures ranging from 333 K to 533 K
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Critical condition for initiation of dynamic recrystallisation in electron beam powder bed fused Ti-6Al-4 V Alloy J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-26 Mohammad Taghian, Hossein Mani, Mohammadhossein Mosallanejad, Ata Abdi, Abdollah Saboori, Luca Iuliano
Despite the unique capabilities of Additive Manufacturing (AM) processes for producing Ti components with complex geometries, the desired properties are only achievable if a holistic scheme is devised, considering the synergistic role of post-processing steps. This work aimed to enhance the applicability of metal AM products by improving the process chain in the manufacturing industry. For this purpose
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Regulation of nanoscale Mg/V incoherent interface interactions to enhance hydrogen storage properties in Mg/V multilayer films J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-26 Jiayao Qin, Jiahuan Lu, Liangjun Huang, Hui Wang, Liuzhang Ouyang, Jiangwen Liu
Magnesium-based materials offer a promising, cost-effective, and high-capacity solution for hydrogen storage. However, their slow kinetics and elevated absorption/desorption temperatures limit their large-scale application. In this study, a series of Mg/V ( = 0.05, 0.10, 0.15, 0.20) multilayer films were designed and fabricated using an ultra-high vacuum magnetron sputtering technique. Transmission
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Sn-doped hierarchical flower-like MoSe2/NC embedded in N-doped carbon for fast and durable sodium ion storage J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-26 Xiaokang Tan, Mengzhu Liu, Yang Xu, Congying Fang, Mengying Zhang, Yinzhuang Fang, Xiaolong Yan, Xianbao Wang, Tao Mei
In this study, Sn-doped MoSe nanosheets were grown on nitrogen-doped carbon substrate (Sn-MoSe/NC) to assemble into hierarchical flower-like porous hollow microspheres. The as-obtained composites could maintain a stable sodium ion storage performance of 305 mAh g at 1 A g for 600 cycles, and even had 214 mAh g at a current of 5 A g, with 95 % of the capacity retained for 8000 cycles. Thanks for synergistic
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Experimental and theoretical study of the photo-Fenton and photoelectrochemical properties of Ni doped FeOCl J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-26 Qing-Song Yu, Zhi-Qiang Wei, Ji-Wei Zhao, Mei-Jie Ding, Hui-Ning Zhang
In this work, Ni doped FeOCl (Ni-FeOCl) was synthesized by simple calcination method and used as a non-homogeneous phase catalyst for the photo-Fenton degradation of tetracycline (TC). Photo-Fenton experiments showed that the degradation of TC by Ni-FeOCl-10 was 93.3 % in 60 min under neutral solution, room temperature and visible light conditions. The incorporation of Ni led to lattice defects on
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Energy band engineering over NiFe-PBA-S/graphdiyne of S-scheme heterojunction for enhance photocatalytic hydrogen production J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-26 Bo Wen, Tingting Yang, Xin Guo, Zhiliang Jin
Photocatalytic hydrogen evolution technology faces great challenges in designing efficient and stable photocatalysis. Adjusting the energy band structure of photocatalyst is one of the means to design efficient and stable photocatalyst. In this work, the bimetallic Prussian blue analog (PBA) was sulfurized. It is worth noting that the process of vulcanizing NiFe-PBA (NF) into NiFe-PBA-S (NFS) has an
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Microstructure and hydrogenation/dehydrogenation properties of ball-milled PrMg12/Ni alloy powders J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-25 Liqiang Ji, Yanan Duan, Zhuohan Zhang, Hu Gu, Shumin Han, Xitao Wang, Wei Han
Amorphous and nanocrystalline PrMg is ball-milled with 30 wt% Ni powder. The impact of ball milling time on the thermodynamics and kinetics of hydrogen storage in this alloy is systematically studied. X-ray diffraction (XRD) and high-resolution transmission electron microscopy (HRTEM) were employed to characterize the phase composition and microstructure. The result shows that the microstructure of
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Multifunctional zinc-nickel alloy enabling high-performance aqueous zinc ion batteries J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-25 Xinyan Zhu, Weisong Zhang, Miaomiao Zhang, Luxin Yu, Binghui Li, Jiajie Cheng, Liang Pan, Ziyu Peng, Shuo Li, Bin Li, Zekun Zhang, Lei Dai, Ling Wang, Ningning Zhao, Zhangxing He
Aqueous zinc ion batteries are considered to be the new type of secondary batteries that have the potential to replace lithium-ion batteries as the most widely used in the future due to their green environment, high specific capacity and abundant zinc resources. However, due to the contact between the zinc anode and electrolyte, the generation of by-products and corrosion phenomena are not completely
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High-performance solar-blind photodetector of β-Ga2O3 grown on sapphire with embedding an ultra-thin AlN buffer layer J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-25 Zhe Wu, Yuefei Wang, Youheng Song, Shihao Fu, Weizhe Cui, Chong Gao, Danyang Xia, Yurui Han, Bingsheng Li, Aidong Shen, Yichun Liu
The authors reported the MOCVD growth of high-quality β-GaO on c-plane sapphire substrate, resulting in the achievement of high performance solar blind deep UV photodetectors by introducing an ultra-thin AlN buffer seed layer (BSL). Compared with the direct growth of GaO on the sapphire, the oxygen vacancy of β-GaO is reduced after introducing an AlN BSL and the full width at half maximum (FWHM) of
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Novel Ni-doped dual MOF-derived urchin-like Co-Fe layered double hydroxides for oxygen evolution reaction J. Alloys Compd. (IF 5.8) Pub Date : 2024-08-25 Zhuoxian Tang, Lin Hao, Mingjie Hu, Yongjun Gao, Yufan Zhang
The oxygen evolution reaction (OER) plays a vital role in water splitting for renewable energy generation, making the development of cost-effective electrocatalysts essential in tackling global energy challenges. In this study, we synthesized ZIF-67@MIL-88 using a self-assembly method, with ZIF-67 serving as the precursor, followed by an aging process. The incorporation of iron-based MIL-88 significantly