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Electrochemical behavior of open-cellular structured Ti-6Al-4V alloy fabricated by electron beam melting in simulated physiological fluid: the significance of pore characteristics
Gai, Xin1,2; Liu, Rui1,2; Bai, Yun1; Li, Shujun1; Yang, Yang3; Wang, Shenru3; Zhang, Jianguo3; Hou, Wentao1; Hao, Yulin1; Zhang, Xing1; Yang, Rui1; Misra, R. D. K.4
Corresponding AuthorBai, Yun(ybai@imr.ac.cn) ; Li, Shujun(shjli@imr.ac.cn) ; Misra, R. D. K.(dmisra2@utep.edu)
2022-01-20
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
Volume97Pages:272-282
AbstractThe cellular structured titanium alloys have attracted significant attention for implants because of their lower Young 's modulus, which is comparable to human bone and has the capability of providing space for bone tissue in-growth. However, there is a gap in the knowledge in regard to the relationship between the pore characteristics and the electrochemical performance of open-cellular structured titanium alloys. In this study, we elucidate the influence of pore characteristics on the electrochemical performance of open-cellular structured Ti-6Al-4V alloys produced by electron beam melting (EBM). Intriguingly, the passive film formed on cellular structured Ti-6Al-4V alloy with a larger pore size was more stable and protective, and the corrosion performance was superior compared to the samples with a smaller pore size in phosphate buffered saline (PBS), mainly because of relatively smaller exposed surface area and unlimited flow of electrolyte. However, in acidic PBS containing fluoride ions, the pore characteristics did not play an important role in the corrosion resistance. It was considered that the protective film breaks down such that the corrosion performance of cellular structured alloys was comparable to each other in this harsh environment. (c) 2022 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
KeywordCellular structure Ti-6Al-4V Electron beam melting Corrosion resistance Fluoride ion
Funding OrganizationNa-tional Key Research and Development Program of China ; Na-tional Natural Science Foundation of China ; Key Research Program of Frontier Sciences, CAS ; Natural Science Foundation of Liaon-ing Province of China ; State Key Laboratory of Light Alloy Casting Technology for High-end Equipment ; Shenyang Talents Program
DOI10.1016/j.jmst.2021.05.024
Indexed BySCI
Language英语
Funding ProjectNa-tional Key Research and Development Program of China[2017YFC1104902] ; Na-tional Key Research and Development Program of China[2016YFC1100502] ; Na-tional Key Research and Development Program of China[2018YFC1105503] ; Na-tional Natural Science Foundation of China[51871220] ; Na-tional Natural Science Foundation of China[51631007] ; Key Research Program of Frontier Sciences, CAS[QYZDJ-SSW-JSC031-02] ; Natural Science Foundation of Liaon-ing Province of China[2019-MS-327] ; Natural Science Foundation of Liaon-ing Province of China[2020-KF-14-01] ; State Key Laboratory of Light Alloy Casting Technology for High-end Equipment[LACT-007] ; Shenyang Talents Program[RC200230]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000737281400007
PublisherJOURNAL MATER SCI TECHNOL
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/173764
Collection中国科学院金属研究所
Corresponding AuthorBai, Yun; Li, Shujun; Misra, R. D. K.
Affiliation1.Chinese Acad Sci, Inst Met Res, Shi Changxu Innovat Ctr Adv Mat, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China
3.Peking Union Med Coll & Chinese Acad Med Sci, Peking Union Med Coll Hosp PUMCH, Dept Orthoped Surg, Beijing 100730, Peoples R China
4.Univ Texas El Paso, Dept Met Mat & Biomed Engn, 500W Univ Ave, El Paso, TX 79968 USA
Recommended Citation
GB/T 7714
Gai, Xin,Liu, Rui,Bai, Yun,et al. Electrochemical behavior of open-cellular structured Ti-6Al-4V alloy fabricated by electron beam melting in simulated physiological fluid: the significance of pore characteristics[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2022,97:272-282.
APA Gai, Xin.,Liu, Rui.,Bai, Yun.,Li, Shujun.,Yang, Yang.,...&Misra, R. D. K..(2022).Electrochemical behavior of open-cellular structured Ti-6Al-4V alloy fabricated by electron beam melting in simulated physiological fluid: the significance of pore characteristics.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,97,272-282.
MLA Gai, Xin,et al."Electrochemical behavior of open-cellular structured Ti-6Al-4V alloy fabricated by electron beam melting in simulated physiological fluid: the significance of pore characteristics".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 97(2022):272-282.
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