Using fiber optic sensors to monitor the quality of resistance spot welding joints
Source abstract
Abstract
Resistance spot welding (RSW) is a widely used technique in the automotive industry. The weld size is the critical parameters for evaluating the quality of RSW. In this study, an innovative non-destructive inspection method based on fiber-optic sensing was proposed. The relationship between the change of the fiber optic sensor signals during the welding process and the weld size is established. The results show that there is a strong correlation between the maximum wavelength change of the fiber optic sensing signal during the welding process and the weld size. The method shows good generalizability to different welding parameters and materials. In addition, the signal vibration difference can accurately predict the occurrence of expulsion.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Acoustic Wave Resonator Technologies · Electronic Packaging and Soldering Technologies · Advanced Welding Techniques Analysis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Chinese Academy of Sciences, Shanghai Institute of Optics and Fine Mechanics, Shanghai, People’s Republic of China
Shien-Ming Wu School of Intelligent Engineering, South China University of Technology, Guangzhou, People’s Republic of China
University of Chinese Academy of Sciences, Beijing, People’s Republic of China
Funding
Science and Technology Innovation Plan Of Shanghai Science and Technology Commission · Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences
References (30)
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