中文版 | English
Title

Additive manufacturing of the high-strength and low modulus biomedical Ti-10 Nb alloy under reactive atmosphere

Author
Corresponding AuthorLi,Y. L.; Yan,M.
Publication Years
2022-12-01
DOI
Source Title
EISSN
2352-4928
Volume33
Abstract
In situ enhancement of alloy properties via additive manufacturing is a convenient and promising approach that is attracting increasing attention. Herein, we overcame the insufficient strength of Ti-10 Nb alloy used in orthopedic implants by introducing an Ar + N reactive atmosphere during selective laser melting. The mechanical properties, phase compositions, microstructures, and biocompatibility of the Ti-10 Nb alloys formed under the reactive atmospheres containing 3 vol% and 5 vol% N were investigated. Scanning electron microscope, electron backscatter diffraction, and transmission electron microscope were employed to investigate the mechanism of N on the mechanical property evolution of Ti-10 Nb. The biocompatibility of the Ti-10 Nb alloys fabricated under different N concentrations was investigated using in vitro cell proliferation and adhesion assays, with pure Ti used as a reference. The Ti-10 Nb alloy displayed a tensile strength of 855 MPa, yield strength of 763 MPa, an elongation of 21.6%, and elastic modulus of 72 GPa when the N fraction was 3 vol%. The as-printed Ti-10 Nb alloy exhibited good biocompatibility, and the introduction of N promoted the proliferation of MG-63 cells. This study paves the way for the synthesis of high-strength and low modulus biomedical Ti alloys by reactive additive manufacturing.
Keywords
URL[Source Record]
Indexed By
Language
English
SUSTech Authorship
First ; Corresponding
Funding Project
Basic and Applied Basic Research Foundation of Guangdong Province[2020B1515120013];National Natural Science Foundation of China[51971108];National Natural Science Foundation of China[52171036];Science, Technology and Innovation Commission of Shenzhen Municipality[JCYJ20180504165824643];
WOS Research Area
Materials Science
WOS Subject
Materials Science, Multidisciplinary
WOS Accession No
WOS:000892570500006
Publisher
Scopus EID
2-s2.0-85142132603
Data Source
Scopus
Citation statistics
Cited Times [WOS]:4
Document TypeJournal Article
Identifierhttp://kc.sustech.edu.cn/handle/2SGJ60CL/412556
DepartmentDepartment of Materials Science and Engineering
工学院_机械与能源工程系
Affiliation
1.Department of Materials Science and Engineering,Southern University of Science and Technology,Shenzhen,518055,China
2.Department of Mechanical and Energy Engineering,Southern University of Science and Technology,Shenzhen,518055,China
3.Key Lab for Robot &Welding Automation of Jiangxi Province,Mechanical and Electrical Engineering School,Nanchang University,Nanchang,330031,China
4.Stomatological Center,Peking University Shenzhen Hospital,Shenzhen,518034,China
5.Faculty of Production Engineering,University of Bremen,Bremen,Badgasteiner Str. 1,28359,Germany
6.Leibniz Institute for Materials Engineering - IWT,Bremen,Badgasteiner Str. 3,28359,Germany
7.Jiaxing Research Institute,Southern University of Science and Technology,Jiaxing,314031,China
First Author AffilicationDepartment of Materials Science and Engineering
Corresponding Author AffilicationDepartment of Materials Science and Engineering;  Southern University of Science and Technology
First Author's First AffilicationDepartment of Materials Science and Engineering
Recommended Citation
GB/T 7714
Zhang,J. W.,Dong,Y. P.,Tang,J. C.,et al. Additive manufacturing of the high-strength and low modulus biomedical Ti-10 Nb alloy under reactive atmosphere[J]. Materials Today Communications,2022,33.
APA
Zhang,J. W..,Dong,Y. P..,Tang,J. C..,Wang,D. W..,Lu,W. J..,...&Yan,M..(2022).Additive manufacturing of the high-strength and low modulus biomedical Ti-10 Nb alloy under reactive atmosphere.Materials Today Communications,33.
MLA
Zhang,J. W.,et al."Additive manufacturing of the high-strength and low modulus biomedical Ti-10 Nb alloy under reactive atmosphere".Materials Today Communications 33(2022).
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