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首页> 外文期刊>Applied Surface Science >Improving tribological properties of Ti-5Zr-3Sn-5Mo-15Nb alloy by double glow plasma surface alloying
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Improving tribological properties of Ti-5Zr-3Sn-5Mo-15Nb alloy by double glow plasma surface alloying

机译：双辉等离子表面合金化改善Ti-5Zr-3Sn-5Mo-15Nb合金的摩擦学性能

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摘要

Molybdenum, an alloying element, was deposited and diffused on Ti-5Zr-3Sn-5Mo-15Nb (TLM) substrate by double glow plasma surface alloying technology at 900, 950 and 1000 degrees C. The microstructure, composition distribution and micro-hardness of the Mo modified layers were analyzed. Contact angles on deionized water and wear behaviors of the samples against corundum balls in simulated human body fluids were investigated. Results show that the surface microhardness is significantly enhanced after alloying and increases with treated temperature rising, and the contact angles are lowered to some extent. More importantly, compared to as-received TLM alloy, the Mo modified samples, especially the one treated at 1000 degrees C, exhibit the significant improvement of tribological properties in reciprocating wear tests, with lower specific wear rate and friction coefficient. To conclude, Mo alloying treatment is an effective approach to obtain excellent comprehensive properties including optimal wear resistance and improved wettability, which ensure the lasting and safety application for titanium alloys as the biomedical implants. (C) 2016 Elsevier B.V. All rights reserved.
机译：通过双辉等离子表面合金化技术，在900、950和1000摄氏度下，将钼（一种合金元素）沉积并扩散到Ti-5Zr-3Sn-5Mo-15Nb（TLM）衬底上。分析了Mo改性层。研究了去离子水的接触角以及样品在模拟人体液体中对刚玉球的磨损行为。结果表明，合金化后，表面显微硬度显着提高，并随着处理温度的升高而提高，且接触角有所降低。更重要的是，与原样的TLM合金相比，Mo改性的样品，特别是在1000摄氏度下进行处理的样品，在往复磨损试验中表现出显着的摩擦学性能改善，比磨损率和摩擦系数更低。总而言之，钼合金化处理是一种获得优异综合性能的有效方法，包括最佳的耐磨性和改善的润湿性，这确保了钛合金作为生物医学植入物的持久性和安全性。 （C）2016 Elsevier B.V.保留所有权利。

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  • 来源
    《Applied Surface Science》 |2016年第ptaa期|203-211|共9页
  • 作者

    Guo Lili; Qin Lin; Kong Fanyou; Yi Hong; Tang Bin;

  • 作者单位

    Taiyuan Univ Technol, Res Inst Surface Engn, 79 Yingze St, Taiyuan 030024, Peoples R China;

    Taiyuan Univ Technol, Res Inst Surface Engn, 79 Yingze St, Taiyuan 030024, Peoples R China;

    Taiyuan Univ Technol, Res Inst Surface Engn, 79 Yingze St, Taiyuan 030024, Peoples R China;

    Taiyuan Univ Technol, Res Inst Surface Engn, 79 Yingze St, Taiyuan 030024, Peoples R China;

    Taiyuan Univ Technol, Res Inst Surface Engn, 79 Yingze St, Taiyuan 030024, Peoples R China;

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  • 正文语种 eng
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  • 关键词

    Ti-5Zr-3Sn-5Mo-15Nb; Mo alloyed layer; Hardness; Tribological properties;

    机译：Ti-5Zr-3Sn-5Mo-15Nb;Mo合金层;硬度;摩擦学性能;

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