高强钢焊接接头激光处理组织和性能研究STUDY ON MICROSTRUCTURE AND PROPERTIES OF HIGH STRENGTH STEEL WELDING JOINT TREATED BY LASER
郭久柱;王红颖;孙大谦;胡建东;
摘要(Abstract):
对30CrMnSiA钢氩弧焊接头熔合区进行激光处理,使接头抗裂性能明显改善。用电子显微分析技术对激光处理组织进行了分析研究,证实该钢种激光处理组织是含有大量位错的细板条马氏体及板条间的残余奥氏体组织。电子衍射花样标定结果表明,马氏体和残余奥氏体的晶体学位向关系符合K-S关系。
关键词(KeyWords): 焊接接头;激光处理;金相组织;电子显微分析
基金项目(Foundation):
作者(Author): 郭久柱;王红颖;孙大谦;胡建东;
Email:
DOI: 10.14024/j.cnki.1004-244x.1993.03.013
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