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用弹性应力波研究焊接接头缺陷 被引量:1

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摘要 研究了在冲击载荷对称加载情况下对接接头在有无缺陷时应力波传播的特性。对工件进行冲击,利用传感器与计算机搜集和分析波形。结果表明:对接接头有缺陷时应力波衰减较快,并且在冲击瞬间的应力波幅值比无缺陷时的小;焊缝有无缺陷时钢板的共振频率也不同,并可以由此对钢板进行检测。
出处 《焊接技术》 北大核心 2012年第7期49-50,53,共3页 Welding Technology
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