Evaluation of eddy current testing for quality assurance and process monitoring of automated fiber placement |
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| Affiliation: | 1. School of Electric and Automation Engineering, Nanjing Normal University, No. 78 Bancang Street, Nanjing 210042, China;2. State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics, No. 29 Yudao Street, Nanjing 210016, China;3. Institute of Fluid Science, Tohoku University, Katahira 2-1-1, Aoba-ku, Sendai, Miyagi 980-8577, Japan;1. State Key Laboratory of Mechanics and Control for Mechanical Structures, Nanjing University of Aeronautics & Astronautics, #29 Yudao Street, Nanjing 210016, China;2. Institute of Fluid Science, Tohoku University, Katahira 2-1-1, Aoba-ku, Sendai, Miyagi 980-8577, Japan;3. Department of Mechanical Engineering, Chiba University, 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522, Japan;1. Institute for Carbon Composites, Technische Universität München, Faculty of Mechanical Engineering, Boltzmannstrasse 15, D-85748 Garching b. München, Germany;2. General Electric Global Research, Composites Manufacturing Laboratory, Freisinger Landstrasse 50, D-85748 Garching b. München, Germany |
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| Abstract: | Standards in energy and cost efficiency are higher the ever especially in the aerospace industry. While structures made from carbon-fiber reinforced plastics (CFRP) show significant advantages in regards to specific strength and lightweight design, further improvements in their production processes are essential in order for CFRP to be competitive in the future. The authors present eddy current (EC) testing as a means for quality assurance (QA) and process monitoring for CFRP parts produced by automatic fiber placement (AFP), which is one the most prevalent production methods in aerospace industry. Eddy current testing shows the potential for highly automated process monitoring that can reduce error correction and cycle time in AFP. |
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| Keywords: | A. Prepreg D. Non-destructive testing D. Process monitoring E. Lay-up |
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