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Effect of Argon-Induced Porosity on Mechanical Properties of Powder Metallurgy Titanium Alloy Components using Hot Isostatic Pressing
Cheng, Min1; Wu, Jie2; Lu, Zheng-Guan2; Guo, Rui-Peng1; Xu, Lei2; Yang, Rui2
Corresponding AuthorGuo, Rui-Peng(grp88620@163.com) ; Xu, Lei(lxu@imr.ac.cn)
2021-05-02
Source PublicationACTA METALLURGICA SINICA-ENGLISH LETTERS
ISSN1006-7191
Pages9
AbstractThis work reported the Ar-induced porosity in powder metallurgy Ti-5Al-2.5Sn alloy prepared by hot isostatic pressing (HIPing). The obtained microstructures of powder compacts were studied through optical and scanning electron microscopes, X-ray tomography, and the mechanical properties evaluated through tensile and impact tests. The results showed that the Ar-induced porosity is related to the hollow powder with gas bubble and the Ar leakage of sealed container during the powder densification. The hollow powder with gas bubble shows no obvious effects on mechanical properties of as-HIPed powder compacts. The Ar content decreases with the increasing shrinkage of encapsulated powder. 0.7% Ar-induced porosity degrades the impact toughness, but no reductions of tensile properties were obtained. Ar content test is an effective method to detect the powder compacts with Ar concentration.
KeywordTitanium alloys Hot isostatic pressing Argon concentration Porosity
Funding OrganizationNatural Science Foundation of Shanxi Province, China ; Scientific and Technological Innovation Programs of Higher Education Institutions in Shanxi (STIP)
DOI10.1007/s40195-021-01243-z
Indexed BySCI
Language英语
Funding ProjectNatural Science Foundation of Shanxi Province, China[201901D211085] ; Scientific and Technological Innovation Programs of Higher Education Institutions in Shanxi (STIP)
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000646115700001
PublisherCHINESE ACAD SCIENCES, INST METAL RESEARCH
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Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/162007
Collection中国科学院金属研究所
Corresponding AuthorGuo, Rui-Peng; Xu, Lei
Affiliation1.Taiyuan Univ Technol, Coll Mat Sci & Engn, Taiyuan 030024, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Cheng, Min,Wu, Jie,Lu, Zheng-Guan,et al. Effect of Argon-Induced Porosity on Mechanical Properties of Powder Metallurgy Titanium Alloy Components using Hot Isostatic Pressing[J]. ACTA METALLURGICA SINICA-ENGLISH LETTERS,2021:9.
APA Cheng, Min,Wu, Jie,Lu, Zheng-Guan,Guo, Rui-Peng,Xu, Lei,&Yang, Rui.(2021).Effect of Argon-Induced Porosity on Mechanical Properties of Powder Metallurgy Titanium Alloy Components using Hot Isostatic Pressing.ACTA METALLURGICA SINICA-ENGLISH LETTERS,9.
MLA Cheng, Min,et al."Effect of Argon-Induced Porosity on Mechanical Properties of Powder Metallurgy Titanium Alloy Components using Hot Isostatic Pressing".ACTA METALLURGICA SINICA-ENGLISH LETTERS (2021):9.
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