Acquisition of HSLA steel weld joints with excellent mechanical performance through flash butt welding physical simulation

被引：11
|
作者：
Wang, Jun [1 ]
Ma, Cheng [2 ]
Han, Jian [1 ]
Jiang, Zhengyi [1 ]
Linton, Valerie [1 ]
机构：
[1] Univ Wollongong, Sch Mech Mat Mechatron & Biomed Engn, Wollongong, NSW 2522, Australia
[2] HBIS Grp, Technol Res Inst, Shijiazhuang 050023, Hebei, Peoples R China
来源：
MATERIALS LETTERS | 2021年 / 303卷
关键词：
Flash butt welding; Physical simulation; Flash allowance; Microstructure; Mechanical properties; MICROSTRUCTURES;
D O I：
10.1016/j.matlet.2021.130511
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Flash butt welding (FBW) of high-strength low-alloy steel was physically simulated by the thermomechanical simulator and the influence of upset allowance (delta u) on the microstructural and mechanical evolution of the welds was revealed. A moderate increase in delta u from 3.5 to 6.5 mm will increase the amount of acicular ferrite and bainite ferrite with finer size in the weld zone, and also provide sufficient plastic deformation and proper dynamic recrystallization, paving the way to obtain excellent strength and plasticity being compatible with that of base metal. The findings will provide valuable references for the practical FBW process.
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页数：5
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