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Preparation of Micro Porous Stainless Steel by Physical Vacuum Dealloying
Li Jun1,2; Liu Wenpeng1,3; Ren Yibin1; Shen Minggang3; Yang Ke1
Corresponding AuthorRen Yibin(ybren@imr.ac.cn)
2017-05-11
Source PublicationACTA METALLURGICA SINICA
ISSN0412-1961
Volume53Issue:5Pages:524-530
AbstractMore and more attentions have been paid to porous stainless steel, as the excellent performance in the physical, chemical and mechanical properties, in the field of solid oxide fuel cell, medical drug for implantable devices and so on. In this work, a new method called physical vacuum dealloying has been applied to produce porous stainless steel. Firstly, 316L-50Mn initial alloy was successfully melted by vacuum induction furnace, then the porous stainless steel was developed by 316L-50Mn after heat treatment in vacuum environment in this experiment. SEM, EDS and XRD were used to analyze the porous stainless steel made by physical vacuum dealloying method. Meanwhile, the effects of temperature and time on the formation, development and morphology of pores during the dealloying process were also studied. The results show that it was effective to produce porous stainless steel by physical vacuum dealloying method. The porosity of micro pores in porous stainless steel is 30%similar to 60%, with 0.5 similar to 3 mu m pore size, and the 15 similar to 60 mm thickness. The temperature mainly affects the hole formation and development by influencing the evaporation and bulk diffusion rate of Mn element, and time plays a major role in the thickness of the porous layer in the process of preparing porous stainless steel.
Keywordporous stainless steel physical vacuum dealloying micro pore Kirkendall effect diffusion rate
Funding OrganizationNational Natural Science Foundation of China ; National Basic Research Program of China
DOI10.11900/0412.1961.2016.00260
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[31370976] ; National Basic Research Program of China[2012CB619101]
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000399922300002
PublisherSCIENCE PRESS
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/124597
Collection中国科学院金属研究所
Corresponding AuthorRen Yibin
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230026, Peoples R China
3.Univ Sci & Technol Liaoning, Sch Met & Mat, Anshan 114051, Peoples R China
Recommended Citation
GB/T 7714
Li Jun,Liu Wenpeng,Ren Yibin,et al. Preparation of Micro Porous Stainless Steel by Physical Vacuum Dealloying[J]. ACTA METALLURGICA SINICA,2017,53(5):524-530.
APA Li Jun,Liu Wenpeng,Ren Yibin,Shen Minggang,&Yang Ke.(2017).Preparation of Micro Porous Stainless Steel by Physical Vacuum Dealloying.ACTA METALLURGICA SINICA,53(5),524-530.
MLA Li Jun,et al."Preparation of Micro Porous Stainless Steel by Physical Vacuum Dealloying".ACTA METALLURGICA SINICA 53.5(2017):524-530.
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