Ultrasonic Testing for Butt Weld of Electric Penetration
摘 要
讨论了核工业中电气贯穿件的超声波检测方法,制作了带自然缺陷的模拟试件,采用不同晶片尺寸和不同角度的探头对模拟试件进行探测,获得了不同缺陷的响应情况,为探头的选择提供了依据。对常见的根部缺陷回波特征进行归纳,得出根部回波识别方法,对实际检测有一定的参考意义。
Abstract
Ultrasonic testing for butt weld of nuclear industry electric penetration was discussed,and some specimens with natural defects were made.According to reference block, specimens were tested by probes which were of different chip sizes and different refraction angles, echoes of different defects were obtained. Through analyzing echoes of surplus height of seam roots, effective methods of root echo recognition were foud out, which provided reference in practice.
中图分类号 TG115.28
所属栏目 实践经验
基金项目
收稿日期 2012/7/14
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备注杨建龙(1986-),男,工程师,主要从事无损检测工作。
引用该论文: YANG Jian-Long,QI Yong-Gang,YAN Yu,WANG Jin-Zhu. Ultrasonic Testing for Butt Weld of Electric Penetration[J]. Nondestructive Testing, 2013, 35(7): 60~63
杨建龙,祁永刚,严宇,王金柱. 电气贯穿件对接焊缝超声波检测[J]. 无损检测, 2013, 35(7): 60~63
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参考文献
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