Numerical Simulation of 50 mm 316L Steel Joint of EBW and Its Experimental Validation

doi:10.3390/met12050725

	Numerical Simulation of 50 mm 316L Steel Joint of EBW and Its Experimental Validation
	Xia, Xiaowei 1,4; Wu, Jiefeng 4; Liu, Zhihong 4; Ma, Jianguo 3,4; Ji, Haibiao 1,4; Lin, Xiaodong 1,2
刊名	METALS
	2022-05-01
卷号	12
关键词	electron beam welding numerical modeling residual stress microstructure
DOI	10.3390/met12050725
通讯作者	Xia, Xiaowei(xxw@ipp.ac.cn)
英文摘要	The 316L thick plate electron beam welding (EBW) has been widely used in fusion test reactor manufacturing. Therefore, the numerical simulation of the 50 mm 316L austenitic stainless steel by two heat sources and experimental on microstructure and residual stress have been studied in this article. In the simulation study, the traditional heat source model (3D Gaussian heat source) and composite heat source (double ellipsoid heat source superimposed on the 3D Gaussian heat source) were proposed to simulate the welding of local joint. Weld cross-section, temperature curve, and residual stress after welding obtained by simulations were investigated. The experimental study involved residual stress tests and microstructure analysis. It turned out that the result of the composite heat source was closer to the actual joint. The residual stress distribution of simulation was validated and in accordance with experimental measurement. Moreover, the microstructures were studied by electro backscattered diffraction (EBSD) and compared with the temperature curve. The formation mechanism of microstructural heterogeneity was caused mainly by different thermal cycles at different positions of the thick plate. The top of the joint was more prone to stress concentration.
资助项目	Comprehensive Research Facility for Fusion Technology Program of China[2018-000052-73-01-001228] ; China National Magnetic Confinement Fusion Science Program[2015GB107003]
WOS关键词	MECHANICAL-PROPERTIES ; MICROSTRUCTURE
WOS研究方向	Materials Science ; Metallurgy & Metallurgical Engineering
语种	英语
出版者	MDPI
WOS记录号	WOS:000804258100001
资助机构	Comprehensive Research Facility for Fusion Technology Program of China ; China National Magnetic Confinement Fusion Science Program
内容类型	期刊论文
源URL	[http://ir.hfcas.ac.cn:8080/handle/334002/131139]
专题	中国科学院合肥物质科学研究院
通讯作者	Xia, Xiaowei
作者单位	1.Shenzhen Univ, Coll Phys & Optoelect Engn, Shenzhen 518060, Peoples R China 2.Shenzhen Univ, Adv Energy Res Ctr, Shenzhen 518060, Peoples R China 3.Anhui Prov Key Lab Special Welding Technol, Huainan 232000, Peoples R China 4.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Peoples R China
推荐引用方式 GB/T 7714	Xia, Xiaowei,Wu, Jiefeng,Liu, Zhihong,et al. Numerical Simulation of 50 mm 316L Steel Joint of EBW and Its Experimental Validation[J]. METALS,2022,12.
APA	Xia, Xiaowei,Wu, Jiefeng,Liu, Zhihong,Ma, Jianguo,Ji, Haibiao,&Lin, Xiaodong.(2022).Numerical Simulation of 50 mm 316L Steel Joint of EBW and Its Experimental Validation.METALS,12.
MLA	Xia, Xiaowei,et al."Numerical Simulation of 50 mm 316L Steel Joint of EBW and Its Experimental Validation".METALS 12(2022).