800MPa及以上高强钢焊材的研究现状及展望  

Research Status and Prospects of Welding Material for 800 MPa and More Than 800 MPa High Strength Steel

作　　者：张敏敏[1] 李达[1] 朱腾辉 罗涛 任希乐 

机构地区：[1]西南交通大学材料科学和工程学院,四川成都610031 [2]四川西冶新材料有限公司,四川成都611730

出　　处：《热加工工艺》2016年第21期5-9,13,共6页Hot Working Technology

摘　　要：高强钢焊材是影响其可焊性及焊后服役性能的关键因素。本文阐述了高强钢焊接主要缺陷的形成机理,概述了目前高强钢焊材的焊条、焊丝、焊剂的研究现状,并简述了高强钢焊接的研究趋势。最后展望了未来高强钢焊接材料的发展方向。High strength steel welding material is the key factor affecting the weldability and service performance afterwelding. The formation mechanism of the main defects of the high strength steel welding was expounded. The research statusof the welding rod, welding wire and flux for the high strength steel welding materials was summarized. And the researchtrend of the high strength steel welding was simply stated. Finally, the development direction of future high strength steelwelding materials was prospected.

关 键 词：高强钢 焊接材料 裂纹敏感性 软化 脆化 

分 类 号：TG421[金属学及工艺—焊接]