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表面等離子Mo合金化提高Ti-5Zr-3Sn-5Mo-15Nb耐磨性的研究
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太原理工大學(xué)表面工程研究所,太原理工大學(xué)表面工程研究所,太原理工大學(xué)表面工程研究所,太原理工大學(xué)表面工程研究所,太原理工大學(xué)表面工程研究所

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中圖分類號:

TG174.445

基金項(xiàng)目:

山西省留學(xué)回國人員科研經(jīng)費(fèi)資助項(xiàng)目( 2013-030)


Improving the Wear Resistance of Ti-5Zr-3Sn-5Mo-15Nb by Plasma Mo Surface Alloying
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Affiliation:

Research Institute of Surface Engineering,Taiyuan University of Technology,Research Institute of Surface Engineering,Taiyuan University of Technology,Research Institute of Surface Engineering,Taiyuan University of Technology,Research Institute of Surface Engineering,Taiyuan University of Technology,Research Institute of Surface Engineering,Taiyuan University of Technology

Fund Project:

Supported by the Shanxi Research Funding Project for Returned Scholars ( 2013-030)

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    摘要:

    采用等離子合金化技術(shù)在Ti-5Zr-3Sn-5Mo-15Nb (TLM)表面制備含鉬改性層，對改性層組織、成分分布和顯微硬度進(jìn)行分析，并測量去離子水在滲鉬試樣表面的接觸角，同時研究在模擬人工體液中改性層的摩擦磨損行為。結(jié)果顯示：所制備的鉬改性層均勻致密，厚度約為12 μm，主要由Mo相組成。與TLM基體相比，滲鉬后試樣表面硬度顯著增加。由于改性后Mo合金層的形成和表面粗糙度增加，使接觸角降低，進(jìn)而提高了表面潤濕性。鉬合金化后的TLM具有較低的摩擦系數(shù)，耐磨能力較未處理的合金提高約50倍，表現(xiàn)出良好的摩擦磨損性能。

    Abstract:

    A Mo surface-modified layer onto Ti-5Zr-3Sn-5Mo-15Nb (TLM) substrate was prepared by plasma surface alloying technique. The microstructure, component distribution and micro-hardness of the Mo modified layer were analyzed. Contact angles with deionized water were measured, and wear behavior of the samples against corundum ball in simulated human body fluids was investigated. The results indicate an about 12 μm uniform Mo surface-modified layer was obtained, which was mainly composed of Mo phase. The surface hardness of Mo alloyed TLM increased significantly than that of untreated TLM, and the contact angle was lowered due to the generation of Mo layer and the increase of surface roughness, enhancing the surface wettability. More importantly, compared to as-received TLM alloy, the Mo modified alloy exhibited significant improvement of wear resistance, about 50 times, with lower friction coefficient.

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郭莉莉,賈亞斌,易宏,孔凡友,秦林.表面等離子Mo合金化提高Ti-5Zr-3Sn-5Mo-15Nb耐磨性的研究[J].稀有金屬材料與工程,2017,46(8):2278~2282.[Guo Lili, Jia Yabin, Yi Hong, Kong Fanyou, Qin Lin. Improving the Wear Resistance of Ti-5Zr-3Sn-5Mo-15Nb by Plasma Mo Surface Alloying[J]. Rare Metal Materials and Engineering,2017,46(8):2278~2282.]
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歷史
  • 收稿日期:2015-04-09
  • 最后修改日期:2015-07-21
  • 錄用日期:2015-09-07
  • 在線發(fā)布日期: 2017-11-16
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