Transactions of Nonferrous Metals Society of China The Chinese Journal of Nonferrous Metals

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中国有色金属学报(英文版)

Transactions of Nonferrous Metals Society of China

Vol. 14    No. 6    December 2004

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Ultrasonic echo signal fetures of dissimilar material bonding joints
GANG Tie(刚 铁)1, Yasuo TAKAHASHI2

1. State Key Lab of Advanced Welding Production Technology, 
Harbin Institute of Technology,  Harbin 150001, China;
2. JWRI, Osaka University, Japan

Abstract: An ultrasonic evaluation method of echo feature of diffusion bond joint between two dissimilar materials is presented. The echo signal was acquired by an automatic ultrasonic C-scan test system. It is found that the intensity of echo and its phase can be used to evaluate the joint quality, and interface products of dissimilar materials bonding can be evaluated by ultrasonic method.

 

Key words:  non-destructive evaluation; ultrasonic testing; diffusion bonding; dissimilar material

ISSN 1004-0609
CN 43-1238/TG
CODEN: ZYJXFK

ISSN 1003-6326
CN 43-1239/TG
CODEN: TNMCEW

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