Non destructive testing has become an important tool in ensuring both quality and reliability in ... more Non destructive testing has become an important tool in ensuring both quality and reliability in many industrial components. Even though these techniques were originally targeted for safety critical and high economic value applications, they have found increasing use in post production quality control. Eddy currents is the preferred method for the inspection of metallic parts and metallic joints, such as welds and riveted joints. The working principle is based on the generation, through induction, and analysis of electric currents in the test material, allowing conductivity measurements and flaw detection, among others. This work presents the development of an electronic system which applies heterodyning principles for eddy currents non-destructive testing, and is compatible with a planar structure probe designed for friction stir welds defect detection. The system comprises all the required hardware modules for eddy currents inspection. These include probe driving, with digitally s...
Non destructive testing has become an important tool in ensuring both quality and reliability in ... more Non destructive testing has become an important tool in ensuring both quality and reliability in many industrial components. Even though these techniques were originally targeted for safety critical and high economic value applications, they have found increasing use in post production quality control. Eddy currents is the preferred method for the inspection of metallic parts and metallic joints, such as welds and riveted joints. The working principle is based on the generation, through induction, and analysis of electric currents in the test material, allowing conductivity measurements and flaw detection, among others. This work presents the development of an electronic system which applies heterodyning principles for eddy currents non-destructive testing, and is compatible with a planar structure probe designed for friction stir welds defect detection. The system comprises all the required hardware modules for eddy currents inspection. These include probe driving, with digitally s...
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