Research on weld inspection of dissimilar thickness JSC590R/JAC980YL steel using electromagnetic ultrasonics

Rui Zhang; Qiaobo Feng; Chunliang Wang; Shuai Tian

doi:10.1117/12.3030716

5 June 2024 Research on weld inspection of dissimilar thickness JSC590R/JAC980YL steel using electromagnetic ultrasonics

Rui Zhang, Qiaobo Feng, Chunliang Wang, Shuai Tian

Author Affiliations +

Proceedings Volume 13163, Fourth International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2024); 131637Y (2024) https://doi.org/10.1117/12.3030716
Event: International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2024), 2024, Xi'an, China

Abstract

The paper conducted electromagnetic ultrasonic testing research on the laser-welded joints of advanced high-strength steel. The study concentrated on finding faults in the joints of JSC590R and JAC980YL steel with different thicknesses. The structural parameters of the Electromagnetic Acoustic Transducer (EMAT) were calculated and optimized by simulation in this study. Two types of millimeter-scale defects were designed for experimental testing, and the influence of guided wave frequency on detection sensitivity was analyzed. Simulation results indicated that the suitable excitation frequency for detection ranged from 600 kHz to 900 kHz. Experimental results demonstrated that utilizing an excitation frequency of 800 kHz could avoid the generation of multimodal Lamb waves. Specifically, with S0 mode Lamb waves vertically incident on the weld, the defect detection threshold reached 0.5 mm. Which confirmed the capability of electromagnetic ultrasonic guided waves to detect millimeter-scale defects in advanced high-strength steel welds.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Rui Zhang, Qiaobo Feng, Chunliang Wang, and Shuai Tian "Research on weld inspection of dissimilar thickness JSC590R/JAC980YL steel using electromagnetic ultrasonics", Proc. SPIE 13163, Fourth International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2024), 131637Y (5 June 2024); https://doi.org/10.1117/12.3030716

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