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Microstructural evolution and corrosion behavior of Ti-6Al-4V alloy fabricated by laser metal deposition for dental applications

文献类型：期刊论文

作者Zhou, Xing2; Xu, Dake2; Geng, Shujiang2; Fan, Yongqiang2; Yang, Chunguang3; Wang, Qiang1; Wang, Fuhui2
刊名JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
出版日期2021-09-01
卷号14页码:1459-1472
ISSN号2238-7854
关键词Laser metal deposition Ti-6Al-4V Scanning strategy Microstructural evolution Corrosion behavior
DOI10.1016/j.jmrt.2021.07.006
通讯作者Xu, Dake(xudake@mail.neu.edu.cn) ; Wang, Qiang(mfqwang@cmu.edu.cn)
英文摘要In 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.
资助项目National 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研究方向Materials Science ; Metallurgy & Metallurgical Engineering
语种英语
出版者ELSEVIER
WOS记录号WOS:000702848800004
资助机构National 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
源URL[http://ir.imr.ac.cn/handle/321006/166730]  
专题金属研究所_中国科学院金属研究所
通讯作者Xu, Dake; Wang, Qiang
作者单位1.China Med Univ, Sch & Hosp Stomatol, Liaoning Prov Key Lab Oral Dis, Shenyang 110002, Peoples R China
2.Northeastern Univ, Shenyang Natl Lab Mat Sci, Shenyang 110819, Peoples R China
3.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
推荐引用方式
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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来源：金属研究所

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