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金属磁记忆方法在焊缝质量检测中的应用

 


金属磁记忆方法在焊缝质量检测中的应用

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袁琪,焦民,徐允谦(北京有色金属研究总院金属磁记忆研发培训中心,北京100088)


摘要:介绍金属磁记忆方法用于焊缝检测的特点。焊接件实际应力-应变状态的快速检测显示了金属磁记忆方法的优越性,同时给出了应用的典型案例。
关键词:磁性检测;磁记忆材料;焊缝;缺陷;应力集中
中图分类号:TGll5.28  文献标识码:A  文章编号:1000-6656(2002)12-0539-02


APPLICATION OF METAL MAGNETIC MEMORY TESTINGTO WELD QUALITY EVALUATION
YUAN Qi, JIAO Min, XU Yun-qian
(Developing and Training Center of MMM, Beijing General Research Institute for Non-Ferrous Metals, Beijing 100088, China)
    Abstract: The characters of the application of metal magnetic memory(MMM) to the inspection of welded jointswere described. The advantages of MMM were shown in nondestructive testing of welded joints for their stress-strain state and flaw. Typical application examples were also given.
    Keywords:Magnetic testing; Magnetic memory metal; Weld; Defect; Stress concentration

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