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高强匹配Gr91/12Cr1MoV异种钢焊接接头组织及性能 被引量:1

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摘要 研究了高匹配条件下Gr91/12Cr1MoV异种耐热钢焊接接头各区的显微组织及冲击性能。结果表明:采用高匹配填充材料和焊条电弧焊方法,可获得性能良好、组织稳定的焊接接头;焊缝区的显微组织为回火板条马氏体,与Gr91母材正火+回火态的显微组织类似,但晶粒相对粗大,Gr91侧HAZ的组织主要为回火索氏体组织,而12Cr1MoV侧HAZ的组织主要为铁素体和索氏体;接头具有高的冲击韧性。
作者 伍光凤 罗怡
出处 《焊接技术》 北大核心 2010年第7期8-11,共4页 Welding Technology
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