Numerical Simulation and Microstructure Analysis of 30CrMnMoRe High-Strength Steel Welding

被引：0

作者：

Fang, Jimi ^{[1
]}

Qian, Xusheng ^{[2
]}

Ci, Yanke ^{[1
]}

Li, Cong ^{[3
]}

Zhang, Xiaoyong ^{[3
]}

Wang, Kehong ^{[3
]}

机构：

[1] Ningbo Univ Finance & Econ, Sch Digital Technol & Engn, Ningbo 315175, Peoples R China

[2] Shanghai Jiao Tong Univ, Sch Mat Sci & Engn, Shanghai 200240, Peoples R China

[3] Nanjing Univ Sci & Technol, Sch Mat Sci & Engn, Nanjing 210094, Peoples R China

来源：

MATERIALS | 2024年 / 17卷 / 17期

基金：

中国国家自然科学基金;

关键词：

numerical simulation; microstructure; high-strength steel; mechanical properties; RESIDUAL-STRESS;

D O I：

10.3390/ma17174415

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Welding experiments were conducted under different currents for single-pass butt welding of high-strength steel flat plates. The microstructure of welded joints was characterized using OM, SEM, and EBSD, and the welding process was numerically simulated using a finite element method. According to the grain size obtained by electron microscope characterization and the temperature data obtained by simulation, the microstructure and mechanical properties of coarse grain and fine grain areas of the heat-affected zone were predicted by using the material microstructure and property simulation software. Finally, the results of mechanical properties simulation were verified through mechanical property testing.

引用

页数：19

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