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Wear and corrosion behaviour of Ti-13Nb-13Zr and Ti-6Al-4V alloys in simulated physiological solution

被引：227
作者：
Cvijovic-Alagic, I. [1 ]
Cvijovic, Z. [2 ]
Mitrovic, S. [3 ]
Panic, V. [4 ]
Rakin, M. [2 ]
机构：
[1] Univ Belgrade, Inst Nucl Sci Vinca, Belgrade 11001, Serbia
[2] Univ Belgrade, Fac Technol & Met, Belgrade 11120, Serbia
[3] Univ Kragujevac, Fac Mech Engn, Kragujevac 34000, Serbia
[4] ICTM Ctr Electrochem, Belgrade 11000, Serbia
来源：
CORROSION SCIENCE | 2011年 / 53卷 / 02期
关键词：
Ti orthopaedic alloys; Ringer's solution; Microstructures; Wear rate; Corrosion resistance; DRY SLIDING WEAR; TITANIUM-ALLOYS; ELECTROCHEMICAL CORROSION; FATIGUE BEHAVIOR; FRETTING WEAR; OXIDE-FILMS; BODY-FLUID; RESISTANCE; TI; ZR;
D O I：
10.1016/j.corsci.2010.11.014
中图分类号：
T [工业技术];
学科分类号：
120111 [工业工程];
摘要：
Wear and corrosion behaviour of cold-rolled Ti-13Nb-13Zr alloy, with martensitic microstructure, and Ti-6Al-4V ELI alloy, in martensitic and two-phase (alpha + beta) microstructural conditions, was studied in a Ringer's solution. The wear experiments were performed at room temperature with a normal load of 40 N and sliding speeds 0.26. 0.5 and 1.0 m/s. The corrosion behaviour was studied at 37 degrees C using open circuit potential-time measurements and potentiodynamic polarization. It was found that Ti-13Nb-13Zr alloy has a substantially lower wear resistance than Ti-6Al-4V ELI alloy in both microstructural conditions. Surface damage extent increases with sliding speed increase and is always smallest for martensitic Ti-6Al-4V ELI alloy with highest hardness. Both alloys exhibit spontaneous passivity in Ringer's solution. Corrosion potential values are similar for all three materials. However, Ti-13Nb-13Zr and martensitic Ti-6Al-4V ELI alloys show improved corrosion resistance comparatively to Ti-6Al-4V ELI alloy with (alpha + beta) microstructure. Martensitic Ti-6Al-4V ELI alloy possesses the best combination of both corrosion and wear resistance, although its corrosion resistance is found to be slightly higher than that of the Ti-13Nb-13Zr alloy. (C) 2010 Elsevier Ltd. All rights reserved.
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页码：796 / 808
页数：13
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