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Microstructural evolution and corrosion behavior of Ti-6Al-4V alloy fabricated by laser metal deposition for dental applications
Zhou, Xing1; Xu, Dake1; Geng, Shujiang1; Fan, Yongqiang1; Yang, Chunguang2; Wang, Qiang3; Wang, Fuhui1
Corresponding AuthorXu, Dake(xudake@mail.neu.edu.cn) ; Wang, Qiang(mfqwang@cmu.edu.cn)
2021-09-01
Source PublicationJOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
ISSN2238-7854
Volume14Pages:1459-1472
AbstractIn this study, microstructural evolution and corrosion behavior of Ti-6Al-4V (TC4) alloy fabricated by laser metal deposition (LMD) were investigated in simulated saliva at 37 degrees C as a function of scanning strategies. One-way scanning possessed a higher corrosion resistance than cross-scanning, but both of those were inferior to the wrought one. Compared with conventional wrought counterpart, the higher content of b phase improved the corrosion resistance. Results of MotteSchottky and potentiostatic tests indicated that the passive film upon the surfaces of all the samples exhibited an N-type semiconductor structure and instantaneous nucleation. Of these, the LMD-ed parts displayed a lower donor concentration, higher vacancy diffusion coefficient, and thicker passive film than the wrought samples. XPS analysis revealed that the double-layer structure of passive film leads to a dense protective layer on the surface while the oxide contents of the three were different. (C) 2021 The Authors. Published by Elsevier B.V.
KeywordLaser metal deposition Ti-6Al-4V Scanning strategy Microstructural evolution Corrosion behavior
Funding OrganizationNational Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities ; Liaoning Revitalization Talents Program ; Natural Science Foundation Project of Liaoning Province ; Shenyang Science and Technology Funded Project
DOI10.1016/j.jmrt.2021.07.006
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51871050] ; Fundamental Research Funds for the Central Universities[N180203019] ; Fundamental Research Funds for the Central Universities[N2002019] ; Liaoning Revitalization Talents Program[XLYC1907158] ; Natural Science Foundation Project of Liaoning Province[2020-MS-150] ; Natural Science Foundation Project of Liaoning Province[2018225059] ; Shenyang Science and Technology Funded Project[RC190290]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000702848800004
PublisherELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/166731
Collection中国科学院金属研究所
Corresponding AuthorXu, Dake; Wang, Qiang
Affiliation1.Northeastern Univ, Shenyang Natl Lab Mat Sci, Shenyang 110819, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
3.China Med Univ, Sch & Hosp Stomatol, Liaoning Prov Key Lab Oral Dis, Shenyang 110002, Peoples R China
Recommended Citation
GB/T 7714
Zhou, Xing,Xu, Dake,Geng, Shujiang,et al. Microstructural evolution and corrosion behavior of Ti-6Al-4V alloy fabricated by laser metal deposition for dental applications[J]. JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T,2021,14:1459-1472.
APA Zhou, Xing.,Xu, Dake.,Geng, Shujiang.,Fan, Yongqiang.,Yang, Chunguang.,...&Wang, Fuhui.(2021).Microstructural evolution and corrosion behavior of Ti-6Al-4V alloy fabricated by laser metal deposition for dental applications.JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T,14,1459-1472.
MLA Zhou, Xing,et al."Microstructural evolution and corrosion behavior of Ti-6Al-4V alloy fabricated by laser metal deposition for dental applications".JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T 14(2021):1459-1472.
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