Ti-29Nb-13Ta-4.6Zr合金的磨损特性

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利用环块式腐蚀磨损试验机研究了Ti-29Nb-13Ta-4.6Zrβ型医用钛合金的磨损特性,并与传统医用钛合金Ti-6Al-4V进行了比较.研究表明:在空气中干磨,Ti-29Nb-13Ta-4.6Zr合金及Ti-6Al-4V合金的抗磨能力主要取决于合金的硬度及抗拉强度等力学性能;在0.9%NaCl溶液中磨损,Ti-29Nb-13Ta-4.6Zr合金抗腐蚀磨损能力低于Ti-6Al-4V.Nb含量的提高可以增强Ti-29Nb-13Ta-4.6Zr合金的抗腐蚀磨损能力.
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