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Research on Microstructure and Mechnical Properties at High Temperature of BHW35 Steel Welded Joint by SAW
Pages: 28-32
Year: Issue:  19
Journal: Hot Working Technology

Keyword:  BHW35钢焊接工艺金相组织高温力学性能冲击韧度断口分析;
Abstract: 采用埋弧自动焊,选用H10Mn2NiMoA+HJ350焊材匹配正火+回火+消应力退火(简称A方法)、H08Mn2MoA+HJ350焊材匹配消应力退火(简称B方法)两种方法制得BHW35钢厚壁焊接接头,分别进行了弯曲、冲击及拉伸试验,以及断口、金相组织及化学成分分析.探明A方法焊缝组织为粒状贝氏体+铁素体,HAZ为回火索氏体+贝氏体+铁素体;B方法焊缝组织为粒状贝氏体+索氏体+块、针状铁素体,HAZ...
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