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Advances in Additive Manufacturing and Material Characterization Techniques
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Advances in Additive Manufacturing and Material Characterization Techniques

A special issue of Journal of Manufacturing and Materials Processing (ISSN 2504-4494).

Deadline for manuscript submissions: 31 October 2024 | Viewed by 3039

Special Issue Editors

Dr. Ana Vafadar

E-Mail Website
Guest Editor
School of Engineering, Edith Cowan University, Joondalup, WA 6027, Australia
Interests: additive manufacturing; topology optimization; cost analysis for additive manufacturing; materials for additive manufacturing
Special Issues, Collections and Topics in MDPI journals
Dr. Reza Hashemi

E-Mail Website
Co-Guest Editor
College of Science and Engineering, Flinders University, Adelaide, Australia
Interests: mechanical behaviour of materials; additive manufacturing; tribology and tribocorrosion; biometals; materials testing and characterisation
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

In recent years, additive manufacturing (AM), commonly referred to as 3D printing, has experienced significant growth across various industrial sectors. This increase is attributed to AM technologies offering avenues for enhanced functionality, productivity, complex geometries, and competitiveness. With an expanding range of applications, industries have encountered challenges integrating these technologies while navigating dynamic market conditions. However, we believe that with your innovative research, these challenges can be overcome, and the potential of AM can be fully realized.

This Special Issue aims to distribute fundamental and applied research across several key areas to address these issues. By shedding light on recent advancements in AM technologies, materials, characterization and testing techniques, challenges and limitations, design considerations, cost analysis, and industrial applications, this Special Issue aims to facilitate a comprehensive understanding of the opportunities presented by AM.

We encourage you to submit your research in the fields below to promote knowledge sharing and encourage progress in additive manufacturing. Submissions are welcomed that include, but are not limited to, the following research areas:

  • Material testing and characterization;
  • Defect analysis in additively manufactured products;
  • Topology and shape optimization;
  • Design for Additive Manufacturing (DfAM);
  • Industrial applications;
  • Macro additive manufacturing;
  • Micro additive manufacturing;
  • Additive manufacturing post-processing;
  • Additive manufacturing standardization;
  • Additively manufactured materials;
  • Cost modeling of additive manufacturing processes.

Contributions employing review, theoretical, numerical, or experimental approaches, separately or in combination, are encouraged to offer innovative solutions to applying additive manufacturing (AM).

Dr. Ana Vafadar
Dr. Reza Hashemi
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Journal of Manufacturing and Materials Processing is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1800 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • additive manufacturing processes
  • 3D printing
  • material mechanical properties
  • additive manufacturing post-processing
  • industrial applications
  • design optimization

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  • Greater discoverability: Special Issues support the reach and impact of scientific research. Articles in Special Issues are more discoverable and cited more frequently.
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Further information on MDPI's Special Issue polices can be found here.

Published Papers (3 papers)

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Research

20 pages, 11988 KiB  
Article
Additive Friction Stir Deposition of a Tantalum–Tungsten Refractory Alloy
by R. Joey Griffiths, Alexander E. Wilson-Heid, Marissa A. Linne, Eleanna V. Garza, Arnold Wright and Aiden A. Martin
J. Manuf. Mater. Process. 2024, 8(4), 177; https://doi.org/10.3390/jmmp8040177 - 14 Aug 2024
Viewed by 507
Abstract
Additive friction stir deposition (AFSD) is a solid-state metal additive manufacturing technique, which utilizes frictional heating and plastic deformation to create large deposits and parts. Much like its cousin processes, friction stir welding and friction stir processing, AFSD has seen the most compatibility [...] Read more.
Additive friction stir deposition (AFSD) is a solid-state metal additive manufacturing technique, which utilizes frictional heating and plastic deformation to create large deposits and parts. Much like its cousin processes, friction stir welding and friction stir processing, AFSD has seen the most compatibility and use with lower-temperature metals, such as aluminum; however, there is growing interest in higher-temperature materials, such as titanium and steel alloys. In this work, we explore the deposition of an ultrahigh-temperature refractory material, specifically, a tantalum–tungsten (TaW) alloy. The solid-state nature of AFSD means refractory process temperatures are significantly lower than those for melt-based additive manufacturing techniques; however, they still pose difficult challenges, especially in regards to AFSD tooling. In this study, we perform initial deposition trials of TaW using twin-rod-style AFSD with a high-temperature tungsten–rhenium-based tool. Many challenges arise because of the high temperatures of the process and high mechanical demand on AFSD machine hardware to process the strong refractory alloy. Despite these challenges, successful deposits of the material were produced and characterized. Mechanical testing of the deposited material shows improved yield strength over that of the annealed reference material, and this strengthening is mostly attributed to the refined recrystallized microstructure typical of AFSD. These findings highlight the opportunities and challenges associated with ultrahigh-temperature AFSD, as well as provide some of the first published insights into twin-rod-style AFSD process behaviors. Full article
(This article belongs to the Special Issue Advances in Additive Manufacturing and Material Characterization Techniques)
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20 pages, 6397 KiB  
Article
Shape Memory Polymers in 4D Printing: Investigating Multi-Material Lattice Structures
by David Pokras, Yanika Schneider, Sohail Zaidi and Vimal K. Viswanathan
J. Manuf. Mater. Process. 2024, 8(4), 154; https://doi.org/10.3390/jmmp8040154 - 22 Jul 2024
Viewed by 689
Abstract
This paper evaluates the design and fabrication of a thermoplastic polyurethane (TPU) shape memory polymer (SMP) using fused deposition modeling (FDM). The commercially available SMP filament was used to create parts capable of changing their shape following the application of an external heat [...] Read more.
This paper evaluates the design and fabrication of a thermoplastic polyurethane (TPU) shape memory polymer (SMP) using fused deposition modeling (FDM). The commercially available SMP filament was used to create parts capable of changing their shape following the application of an external heat stimulus. The characterization of thermal and viscoelastic properties of the SMP TPU revealed a proportional change in shape fixity and recovery with respect to heating and cooling rates, as well as a decreasing softening temperature with increasing shape memory history due to changes in the polymer microstructure. Inspired by the advancements in 3D and 4D printing, we investigated the feasibility of creating multi-material lattice structures using SMP and another thermoplastic with poor adhesion to TPU. A variety of interlocking lattice structures were evaluated by combining SMP with another thermoplastic that have poor adhesion with TPU. The tensile strength and failure modes of the fabricated multi-material parts were compared against homogenous SMP TPU specimens. It was found that the lattice interface failed first at approximately 41% of the ultimate strength of the homogenous part on average. The maximum recorded ultimate strength of the multi-material specimens reached 62% of SMP TPU’s ultimate strength. These characterizations can make 4D printing technology more accessible to common users and make it available for new markets. Full article
(This article belongs to the Special Issue Advances in Additive Manufacturing and Material Characterization Techniques)
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14 pages, 3344 KiB  
Article
Effect of Scanning Strategy on the Microstructure and Load-Bearing Characteristics of Additive Manufactured Parts
by S. Silva Sajin Jose, Santosh Kr. Mishra and Ram Krishna Upadhyay
J. Manuf. Mater. Process. 2024, 8(4), 146; https://doi.org/10.3390/jmmp8040146 - 5 Jul 2024
Viewed by 778
Abstract
Additive manufacturing has witnessed significant growth in recent years, revolutionizing the automotive and aerospace industries amongst others. Despite the use of additive manufacturing for creating complex geometries and reducing material consumption, there is a critical need to enhance the mechanical properties of manufactured [...] Read more.
Additive manufacturing has witnessed significant growth in recent years, revolutionizing the automotive and aerospace industries amongst others. Despite the use of additive manufacturing for creating complex geometries and reducing material consumption, there is a critical need to enhance the mechanical properties of manufactured parts to broaden their industrial applications. In this work, AISI 316L stainless steel is used to fabricate parts using three different strategies of the additively manufactured Laser Powder Bed Fusion (LPBF) technique, i.e., continuous, alternate, and island. This study aims to identify methods to optimize grain orientation and compaction support provided to the material under load, which influence the frictional and wear properties of the manufactured parts. The load-bearing capacity is evaluated by measuring the frictional and wear properties. The wear patch track is also examined to establish the physical mechanisms at the surface interface that lead to the smooth transition in response to the load. Grain orientation is compared across different strategies using Electron Backscatter Diffraction (EBSD) maps, and the influence of surface roughness on sliding behavior is also evaluated. The results demonstrate that the island scanning strategy yields the best performance for load-bearing applications, exhibiting superior grain orientation and hardness in the additively manufactured parts. Full article
(This article belongs to the Special Issue Advances in Additive Manufacturing and Material Characterization Techniques)
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