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Electron beam welding of a novel near alpha high temperature titanium alloy powder compact: effect of post-welding heat treatment on tensile properties
Cheng, Min1; Yu, Bingbing2; Guo, Ruipeng1; Shi, Xiaohui1; Xu, Lei3; Qiao, Junwei1; Yang, Rui3
Corresponding AuthorGuo, Ruipeng(grp88620@163.com) ; Xu, Lei(lxu@imr.ac.cn)
2021
Source PublicationJOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
ISSN2238-7854
Volume10Pages:153-163
AbstractA novel near alpha high temperature titanium alloy (Ti55) was produced from powder compact through hot isostatic pressing. Electron beam welding (EBW) was used to join the Ti55 alloy powder compact and effects of annealing treatment on the microstructure and mechanical properties of EBW joints were investigated. The residual stress distribution of as-welded joint was calculated using finite element method (FEM). The results show that the microstructure and microhardness profiles are non-uniform across the EBW joints. The tensile residual stresses are confirmed across the as-welded joints based on FEM analysis. All of tensile specimens failed at the base metal, indicating that the mechanical properties of EBW joints are equal to those of base metal, or better. The tensile strength of as-welded and as-annealed joints increases slightly compared with base metal. An obvious reduction on the reduction of area of EBW joints was obtained after annealing at 500 degrees C. Related mechanisms were discussed based on the residual stress, tensile deformation and the strain rate sensitivity. (C) 2020 The Author(s). Published by Elsevier B.V.
KeywordElectron beam welding Titanium alloy Powder metallurgy Tensile properties Strain rate sensitivity
Funding OrganizationNatural Science Foundation of China ; Natural Science Foundation of Shanxi Province, China ; Scientific and Technological Innovation Programs of Higher Education Institutions in Shanxi (STIP)
DOI10.1016/j.jmrt.2020.12.022
Indexed BySCI
Language英语
Funding ProjectNatural Science Foundation of China[51801132] ; Natural Science Foundation of Shanxi Province, China[201901D211085] ; Scientific and Technological Innovation Programs of Higher Education Institutions in Shanxi (STIP)
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000621123600003
PublisherELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/161168
Collection中国科学院金属研究所
Corresponding AuthorGuo, Ruipeng; Xu, Lei
Affiliation1.Taiyuan Univ Technol, Coll Mat Sci & Engn, Taiyuan 030024, Peoples R China
2.Luoyang Ship Mat Res Inst, Luoyang 471000, Peoples R China
3.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Cheng, Min,Yu, Bingbing,Guo, Ruipeng,et al. Electron beam welding of a novel near alpha high temperature titanium alloy powder compact: effect of post-welding heat treatment on tensile properties[J]. JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T,2021,10:153-163.
APA Cheng, Min.,Yu, Bingbing.,Guo, Ruipeng.,Shi, Xiaohui.,Xu, Lei.,...&Yang, Rui.(2021).Electron beam welding of a novel near alpha high temperature titanium alloy powder compact: effect of post-welding heat treatment on tensile properties.JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T,10,153-163.
MLA Cheng, Min,et al."Electron beam welding of a novel near alpha high temperature titanium alloy powder compact: effect of post-welding heat treatment on tensile properties".JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T 10(2021):153-163.
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