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

被引：0

作者：

Li, Chengwen ^{[1
,2
]}

Wang, Rui ^{[2
,3
]}

Liu, Zhihong ^{[2
,3
]}

Ji, Haibiao ^{[2
]}

Qin, Shijun ^{[2
]}

Chen, Ren ^{[2
,4
]}

Zhong, Yaqi ^{[1
,2
]}

Wu, Huapeng ^{[5
]}

机构：

[1] Univ Sci & Technol China, Hefei 230026, Peoples R China

[2] Chinese Acad Sci, Inst Plasma Phys, HFIPS, Hefei 230031, Peoples R China

[3] Huainan New Energy Res Ctr, Anhui Prov Key Lab Special Welding Technol, Huainan 232000, Peoples R China

[4] Anhui Univ Sci & Technol, Huainan 232001, Peoples R China

[5] Lappeenranta Univ Technol, Lappeenranta, Finland

来源：

JOURNAL OF FUSION ENERGY | 2025年 / 44卷 / 01期

关键词：

Fusion reactor; Phased array ultrasonic; Austenite stainless steel; MECHANICAL-PROPERTIES; ATTENUATION;

D O I：

10.1007/s10894-025-00475-6

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

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

页数：9

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