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Tribological properties of Zr61Ti2Cu25Al12 bulk metallic glass under simulated physiological conditions
Y. Wang; L. L. Shi; D. L. Duan; S. Li; J. Xu
2014
Source PublicationMaterials Science & Engineering C-Materials for Biological Applications
ISSN0928-4931
Volume37Pages:292-304
AbstractIn this work, wear resistance of a Zr61Ti2Cu25Al12 (ZT1) bulk metallic glass (BMG) in dry-sliding and simulated physiological media was investigated using ball-on-flat tribological approach and Si3N4 ball as counterpart. It was indicated that wear resistance of the BMG in air and deionized water is superior to Ti6Al4V alloy but inferior to 316 L stainless steel (316 L SS) and Co28Cr6Mo (CoCrMo) alloy. However, under simulated physiological media such as phosphate buffered solution (PBS) and Dulbecco's modified Eagle medium with 10 vol.% fetal bovine serum (DMEM + FBS), the ZT1 BMG exhibits decreased wear resistance in comparison with the Ti6Al4V, 316 L SS and CoCrMo. This is probably associated with its moderate pitting corrosion resistance in the medium containing chloride ions. The presence of protein in the solution has a significant effect to ruin pitting resistance of the BMG, then causing more severe wear damage. Under the dry-wear condition, abrasive wear is a predominant wear mechanism for the ZT1, whereas under deionized water, deterioration induced by abrasive wear can be mitigated. In simulated physiological media, wear deterioration is a typical tribocorrosion controlled by synergistic effects of the abrasive and corrosive wear. For the four investigated metals, wear resistance does not exhibit distinct correlation with hardness, whereas the material with high Young's modulus possesses better wear resistance. (C) 2014 Elsevier B.V. All rights reserved.
description.department[wang, yu ; shi, ling-ling ; xu, jian] chinese acad sci, shenyang natl lab mat sci, inst met res, shenyang 110016, peoples r china. [duan, de-li ; li, shu] chinese acad sci, inst met res, specialized mat & devices div, shenyang 110016, peoples r china. ; xu, j (reprint author), chinese acad sci, shenyang natl lab mat sci, inst met res, 72 wenhua rd, shenyang 110016, peoples r china. ; jianxu@imr.ac.cn
KeywordWear Tribocorrosion Orthopedic Implant Metallic Glass Zirconium Alloy Structural Orthopedic Implants 316l Stainless-steel Biomedical Applications Wear Mechanisms Silicon-nitride Hip Implants Body-fluid Tribocorrosion Behavior Corrosion Behavior Fracture-toughness
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Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/72925
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Y. Wang,L. L. Shi,D. L. Duan,et al. Tribological properties of Zr61Ti2Cu25Al12 bulk metallic glass under simulated physiological conditions[J]. Materials Science & Engineering C-Materials for Biological Applications,2014,37:292-304.
APA Y. Wang,L. L. Shi,D. L. Duan,S. Li,&J. Xu.(2014).Tribological properties of Zr61Ti2Cu25Al12 bulk metallic glass under simulated physiological conditions.Materials Science & Engineering C-Materials for Biological Applications,37,292-304.
MLA Y. Wang,et al."Tribological properties of Zr61Ti2Cu25Al12 bulk metallic glass under simulated physiological conditions".Materials Science & Engineering C-Materials for Biological Applications 37(2014):292-304.
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