Ultrasonic testing for laser welded joint of stainless steel

被引：0
|
作者：
谷晓鹏 [1 ]
徐国成 [1 ]
段珍珍 [2 ]
刘静 [1 ]
机构：
[1] School of Material Science and Engineering,Jilin University
[2] Changchun Railway Vehicles
来源：
China Welding | 2013年 / 22卷 / 02期
关键词：
D O I：
暂无
中图分类号：
TG457.11 [钢];
学科分类号：
摘要：
Two dimensional scan for laser welded joint of stainless steel was implemented according to the reflection characteristics of ultrasonic.B-scan imaging technique was applied to characterize the fusion state in the joint and distinguish welding detects such as incomplete penetration.Calculation of weld width at the interface of the two plates and imaging of the weld cross section were accomplished.Experimental results show that rapid nondestructive testing can be achieved by this method with threshold value of 30%attenuation degree.The calculation error is less than 0.25 mm.
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页码：39 / 42
页数：4
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