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Study on improved tribological properties by alloying copper to CP-Ti and Ti-6Al-4V alloy
Wang, Song; Ma, Zheng; Liao, Zhenhua; Song, Jian; Yang, Ke; Liu, Weiqiang; weiqliu@hotmail.com
2015
Source PublicationMATERIALS SCIENCE & ENGINEERING C-MATERIALS FOR BIOLOGICAL APPLICATIONS
ISSN0928-4931
Volume57Pages:123-132
AbstractCopper alloying to titanium and its alloys is believed to show an antibacterial performance. However, the tribological properties of Cu alloyed titanium alloys were seldom studied. Ti-5Cu and Ti-6Al-4V-5Cu alloys were fabricated in the present study in order to further study the friction and wear properties of titanium alloys with Cu additive. The microstructure, composition and hardness were characterized using X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscope (TEM) and hardness tester. The tribological behaviors were tested with ZrO2 counterface in 25% bovine serum using a ball-on-disc tribo-tester. The results revealed that precipitations of Ti2Cu intermetallic compounds appeared in both Ti-5Cu and Ti-6Al-4V-5Cu alloys. The tribological results showed an improvement in friction and wear resistance for both Ti-5Cu and Ti-6Al-4V-5Cu alloys due to the precipitation of Ti2Cu. The results also indicated that both CP-Ti and Ti-5Cu behaved better wear resistance than Ti-6Al-4V and Ti-6Al-4V-5Cu due to different wear mechanisms when articulated with hard zirconia. Both CP-Ti and Ti-5Cu revealed dominant adhesive wear with secondary abrasive wear mechanism while both Ti-6Al-4V and Ti-6Al-4V-5Cu showed severe abrasive wear and cracks with secondary adhesive wear mechanism due to different surface hardness integrated by their microstructures and material types. (C) 2015 Elsevier B.V. All rights reserved.
description.department[wang, song ; liao, zhenhua ; liu, weiqiang] tsinghua univ, res inst, biomech & biotechnol lab, shenzhen 518057, peoples r china ; [wang, song ; liao, zhenhua ; song, jian] tsinghua univ, dept mech engn, beijing 100084, peoples r china ; [ma, zheng ; yang, ke] chinese acad sci, inst met res, shenyang 110016, peoples r china ; [song, jian ; liu, weiqiang] tsinghua univ, state key lab tribol, beijing 100084, peoples r china
KeywordTi-cu Alloy Ti-6al-4v-cu Alloy Tribological Properties Friction Wear Resistance
Funding OrganizationNational Key Technology R&D Program of China [2012BAI18B05]; Technology Program of the Innovation Commission of Science and Technology of Shenzhen Municipality [JSGG20130624162316425]; Tsinghua University Initiative Scientific Research Program [2012Z02168]; State Key Laboratory of Tribology and Innovative Research Groups of the National Natural Science Foundation of China [51321092]; Technology Innovation Program of the Innovation Commission of Science and Technology of Shenzhen Municipality [CXZZ20140419121218107]
Indexed Bysci
Language英语
WOS IDWOS:000361779400015
Citation statistics
Cited Times:36[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/75144
Collection中国科学院金属研究所
Corresponding Authorweiqliu@hotmail.com
Recommended Citation
GB/T 7714
Wang, Song,Ma, Zheng,Liao, Zhenhua,et al. Study on improved tribological properties by alloying copper to CP-Ti and Ti-6Al-4V alloy[J]. MATERIALS SCIENCE & ENGINEERING C-MATERIALS FOR BIOLOGICAL APPLICATIONS,2015,57:123-132.
APA Wang, Song.,Ma, Zheng.,Liao, Zhenhua.,Song, Jian.,Yang, Ke.,...&weiqliu@hotmail.com.(2015).Study on improved tribological properties by alloying copper to CP-Ti and Ti-6Al-4V alloy.MATERIALS SCIENCE & ENGINEERING C-MATERIALS FOR BIOLOGICAL APPLICATIONS,57,123-132.
MLA Wang, Song,et al."Study on improved tribological properties by alloying copper to CP-Ti and Ti-6Al-4V alloy".MATERIALS SCIENCE & ENGINEERING C-MATERIALS FOR BIOLOGICAL APPLICATIONS 57(2015):123-132.
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