Ultrasonic Method for Testing Spot-Welds

被引：1

作者：

Takada, Hajime ^{[1
]}

Ozeki, Takahumi ^{[1
]}

Ikeda, Rinsei ^{[1
]}

Hirose, Tomoyuki ^{[2
]}

机构：

[1] JFE Steel Corp, Steel Res Lab, Kawasaki, Kanagawa 2100855, Japan

[2] JFE Steel Corp, W Japan Works, Fukuyama, Hiroshima 7218510, Japan

来源：

JOURNAL OF THE JAPAN INSTITUTE OF METALS | 2012年 / 76卷 / 09期

关键词：

spot welds; nondestructive testing; ultrasound; probe array; nugget diameter; INSPECTION;

D O I：

10.2320/jinstmet.76.555

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

We developed a technique for nondestructively evaluating spot welds based on through transmission of Lamb waves. The nugget diameter can be evaluated by measuring the width of the zone where attenuated transmitted waves are observed. A particularly important feature of the developed technique is that spot welds with no weld metal can be reliably distinguished from spot welds with weld metal. We also developed a measuring system using array transducers. The measurement results using the system agree well with the nugget diameters measured by cross sectional observation.

引用

页码：555 / 562

页数：8

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