Numerical Simulation and Microstructure Analysis of 30CrMnMoRe High-Strength Steel Welding-Reference-Cited by-同舟云学术

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

Published:2024-09-07 Issue:17 Volume:17 Page:4415
ISSN:1996-1944
Container-title:Materials
language:en
Short-container-title:Materials

Author:

Fang Jimi¹,Qian Xusheng²,Ci Yanke¹,Li Cong³^ORCID,Zhang Xiaoyong³^ORCID,Wang Kehong³^ORCID

Affiliation:

1. School of Digital Technology and Engineering, Ningbo University of Finance and Economics, Ningbo 315175, China

2. School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China

3. School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing 210094, China

Abstract

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.

Funder

National Natural Science Foundation of China

Natural Science Foundation of Jiangsu Province

Fundamental Research Funds for the Central Universities

Publisher

MDPI AG

Link

https://www.mdpi.com/1996-1944/17/17/4415/pdf

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