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Mechanical performance and corrosion behaviour of Zr-based bulk metallic glass produced by selective laser melting
Deng, L.1; Gebert, A.1; Zhang, L.3; Chen, H. Y.1,4; Gu, D. D.4; Kuehn, U.1; Zimmermann, M.2; Kosiba, K.1; Pauly, S.1,5
Corresponding AuthorDeng, L.(l.deng@ifw-dresden.de)
2020-04-01
Source PublicationMATERIALS & DESIGN
ISSN0264-1275
Volume189Pages:11
AbstractNearly fully dense, glassy Zr52.5Cu17.9Ni14.6Al10Ti5 bulk specimens were fabricated by selective laser melting (SLM) and their behaviour during compressive loading, during wear testing and in a corrosive medium was investigated. Their performance was compared with as-cast material of the same composition. The additively manufactured samples exhibit a yield strength around 1700 MPa combined with a plastic strain of about 0.5% after yielding despite the residual porosity of 1.3%, which is distributed uniformly in the samples. The propagation of shear bands in the bulk metallic glass prepared by SLM was studied. The specific wear rate and the worn surfaces demonstrated that similar wear mechanisms are active in the SLM and the as-cast samples. Hence, manufacturing the glass in layers does not adversely affect the wear properties. The same holds for the corrosion tests, which were carried out in 0.01 M Na2SO4 and 0.1 M NaCl electrolyte. The anodic polarization curves of SLM samples and as-cast samples revealed a similar corrosion behaviour. However, the SLM samples have a slightly reduced susceptibility to pitting corrosion and exhibit an improved surface healing ability, which might be attributed to an improved homogeneity of the additively manufactured glass. (C) 2020 The Authors. Published by Elsevier Ltd.
KeywordSelective laser melting Zr-based alloy Microhardness Compression tests Wear resistance Corrosion resistance
Funding OrganizationChinese Scholarship Council (CSC) ; German Science Foundation (DFG)
DOI10.1016/j.matdes.2020.108532
Indexed BySCI
Language英语
Funding ProjectChinese Scholarship Council (CSC) ; German Science Foundation (DFG)[KO5771/1-1] ; German Science Foundation (DFG)[PA 2275/6-1]
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Multidisciplinary
WOS IDWOS:000519813000025
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/137738
Collection中国科学院金属研究所
Corresponding AuthorDeng, L.
Affiliation1.IFW Dresden, Inst Complex Mat, Helmholtzstr 20, D-01069 Dresden, Germany
2.Tech Univ Dresden, Inst Mat Sci, Fac Mech Engn, D-01062 Dresden, Germany
3.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China
4.Nanjing Univ Aeronaut & Astronaut, Coll Mat Sci & Technol, Yudao St 29, Nanjing 210016, Jiangsu, Peoples R China
5.Univ Appl Sci Aschaffenburg, Wurzburger Str 45, D-63743 Aschaffenburg, Germany
Recommended Citation
GB/T 7714
Deng, L.,Gebert, A.,Zhang, L.,et al. Mechanical performance and corrosion behaviour of Zr-based bulk metallic glass produced by selective laser melting[J]. MATERIALS & DESIGN,2020,189:11.
APA Deng, L..,Gebert, A..,Zhang, L..,Chen, H. Y..,Gu, D. D..,...&Pauly, S..(2020).Mechanical performance and corrosion behaviour of Zr-based bulk metallic glass produced by selective laser melting.MATERIALS & DESIGN,189,11.
MLA Deng, L.,et al."Mechanical performance and corrosion behaviour of Zr-based bulk metallic glass produced by selective laser melting".MATERIALS & DESIGN 189(2020):11.
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