Study on Phased Array Ultrasonic Testing Techniques for Austenitic Stainless Steel Butt Welds

被引：0

作者：

Chengwen Li ^{[1
]}

Rui wang ^{[2
]}

Zhihong Liu ^{[2
]}

Haibiao Ji ^{[3
]}

Shijun Qin ^{[2
]}

Ren Chen ^{[3
]}

Yaqi Zhong ^{[2
]}

Huapeng Wu ^{[2
]}

机构：

[1] University of Science and Technology of China,Institute of Plasma Physics, HFIPS

[2] Chinese Academy of Sciences,Anhui Province Key Laboratory of Special Welding Technology

[3] Huainan New Energy Research Center,undefined

[4] Anhui University of Science and Technology,undefined

[5] Lappeenranta University of Technology,undefined

来源：

Journal of Fusion Energy | / 44卷 / 1期

关键词：

Fusion reactor; Phased array ultrasonic; Austenite stainless steel;

D O I：

10.1007/s10894-025-00475-6

中图分类号：

学科分类号：

摘要：

The procedure of ultrasonic testing for austenitic stainless steel welds relies heavily on the accurate assessment of actual welding faults. The research subject of this paper is a 40 mm 316L stainless steel butt weld, utilized in fusion reactors. Based on the weld acoustic performance test, sound field modeling, and reference block method, a double crystal probe S-Scan (sector scan) process is suggested. To detect the missed vertical-type groove flaws, a waveform conversion-based total focusing method (TFM) is developed. The study's findings demonstrate that the reliability of ultrasonic testing of austenitic stainless steel welds can be significantly increased by combining conventional sector scanning with cutting-edge TFM technology.

引用

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