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溫度對TC4鈦合金磨損性能和摩擦系數(shù)的影響
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Effects of Temperature on Wear Properties and Friction Coefficient of TC4 Alloy
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    摘要:

    耐磨性較差成為TC4合金用作高強(qiáng)耐腐蝕油管材料的技術(shù)瓶頸，采用SEM和EDS等手段對TC4合金在不同溫度下的磨損性能進(jìn)行研究，分析磨損率、摩擦系數(shù)和磨痕形貌隨溫度變化的規(guī)律，探討磨損機(jī)理。結(jié)果顯示：在室溫到400 ℃的溫度范圍內(nèi)，與對磨材料GCr15相磨損，TC4合金的磨損程度隨溫度的升高而減小，磨痕呈犁溝形貌，磨損經(jīng)歷了預(yù)磨損和穩(wěn)定磨損兩個階段，磨損機(jī)理在較低溫度時為剝層磨損、黏著磨損和疲勞磨損，在較高溫度時為剝層磨損、黏著磨損和氧化磨損

    Abstract:

    The wear resistance of titanium alloy is comparatively low, which becomes the technical bottleneck to use titanium alloy as high strength and corrosion resistance tubing materials in petroleum industrials. In this work, wear properties of TC4 alloy were studied. The relationship between temperature and weight loss rate of wear or wear coefficient or topography of wear mark, wear mechanism of TC4 alloy was discussed. The results show that the wear degree of TC4 alloy deceases with the rise of temperature, TC4 alloy wear has two stages that is wear stage and stable wear stage, The wear mark of TC4 alloy presents furrow morphology, the wear mechanism of TC4 alloy are delamination abrasion and adhesive abrasion and fatigue abrasion at lower temperature and are delamination abrasion and adhesive abrasion and oxidation abrasion at higher temperature

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姚小飛,謝發(fā)勤,韓 勇,趙國仙,吳向清.溫度對TC4鈦合金磨損性能和摩擦系數(shù)的影響[J].稀有金屬材料與工程,2012,41(8):1463~1466.[Yao Xiaofei, Xie Faqin, Han Yong, Zhao Guoxian, Wu Xiangqing. Effects of Temperature on Wear Properties and Friction Coefficient of TC4 Alloy[J]. Rare Metal Materials and Engineering,2012,41(8):1463~1466.]
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  • 收稿日期:2011-08-28
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