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熱氧化溫度對(duì)Ti6Al4V耐磨性的影響
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太原理工大學(xué),太原理工大學(xué)表面工程研究所

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中國博士后科學(xué)基金(2012M520604)；山西省青年科技基金(2013021013-2)；太原理工大學(xué)青年基金(2013T011)


Effects of Thermal Oxidation Temperature on Wear Resistance of Ti6Al4V
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Research Institute of Surface Engineering, Taiyuan University of Technology,,Research Institute of Surface Engineering, Taiyuan University of Technology,

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    摘要:

    在873～1023 K 保溫10 h 條件下對(duì)Ti6Al4V進(jìn)行熱氧化處理。采用X射線衍射儀，輝光光譜分析儀和光學(xué)顯微鏡分析熱氧化層的特征。借助MFT-R4000往復(fù)式摩擦磨損試驗(yàn)機(jī)研究熱氧化溫度對(duì)Ti6Al4V耐磨性的影響。結(jié)果表明：Ti6Al4V表面的熱氧化層均勻、連續(xù)；熱氧化溫度對(duì)氧化層的形成、表面硬度和耐磨性有顯著影響；973 K獲得的氧化層表面硬度最高，磨損失重最低，磨痕寬度最小，耐磨性能最好。

    Abstract:

    Thermal oxidation (TO) treatments were conducted on Ti6Al4V under 873～1023 K for 10 h. Microstructural characteristics of the TO layers were analyzed using X-ray diffraction (XRD), glow discharge optical emission spectrometer analysis (GDOES) and optical microscope (OM). Effect of TO temperature on wear resistance of Ti6Al4V was estimated on MFT-R4000 reciprocating friction-wear testing machine. The results showed that the obtained TO layers were uniform and continuous. TO temperatures had significant impacts on the formation, surface hardness and wear resistance on TO layers. The TO layer produced at 973 K exhibited the best wear resistance indicating by higher surface hardness, lower mass loss and narrower wear trace in comparison with other TO layers.

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林乃明,王婭婷.熱氧化溫度對(duì)Ti6Al4V耐磨性的影響[J].稀有金屬材料與工程,2016,45(6):1615~1619.[Lin Naiming, wangyating. Effects of Thermal Oxidation Temperature on Wear Resistance of Ti6Al4V[J]. Rare Metal Materials and Engineering,2016,45(6):1615~1619.]
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  • 收稿日期:2014-05-23
  • 最后修改日期:2015-05-27
  • 錄用日期:2015-08-11
  • 在線發(fā)布日期: 2016-10-08
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