海上风电用S460钢焊接性能研究  

Research on welding performance of S460 steel for offshore wind power

作　　者：黄传清 毛凌波[2] 胡战 HUANG Chuanqing;MAO Lingbo;HU Zhan(Baosteel Zhanjiang Iron&Steel Co.,Ltd.,Zhanjiang 524072,Guangdong,China;Guangdong University of Technology,Guangzhou 510006,Guangdong,China)

机构地区：[1]宝钢湛江钢铁有限公司,广东湛江524072 [2]广东工业大学,广东广州510006

出　　处：《金属加工（热加工）》2024年第9期69-73,共5页MW Metal Forming

基　　金：广东省促进经济高质量发展专项资金海洋经济发展资助项目(GDOE[2019]A08号)。

摘　　要：为了研究海上风电用钢的焊接接头性能,以S460钢为研究对象,采用焊接热模拟方法对其焊接热影响区粗晶区进行了热模拟,建立了连续冷却组织转变图,并对粗晶区不同热输入的热影响区组织与性能特征进行了研究。结果表明:S460钢对焊接热输入具有较好的适应性,焊接接头具有优良的综合性能,热影响区具有较低的淬硬性,可以满足大容量风电用高性能厚板大热输入焊接的技术要求。In order to study the welding joint performance of steel for offshore wind power,this work takes S460 steel as the research object,and uses welding thermal simulation method to simulate the coarse grain zone in its welding heat affected zone.Continuous Cooling Transformation Diagram are established,and the microstructure and performance characteristics of the heat affected zone with different line energies in the coarse grain zone are studied.The research results indicate that S460 steel has good adaptability to welding wire energy,welding joints have excellent comprehensive performance,and the heat affected zone has low hardenability,which can meet the technical requirements of high-performance thick plate large wire energy welding for large capacity wind power.

关 键 词：S460钢 焊接热输入 焊接热模拟 连续冷却组织转变图 热影响区 

分 类 号：TG457.11[金属学及工艺—焊接] TM614[电气工程—电力系统及自动化]