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TC4合金在不同摩擦體系中磨損性能的研究
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江蘇大學(xué)材料科學(xué)與工程學(xué)院,江蘇大學(xué)材料科學(xué)與工程學(xué)院,淮陰工學(xué)院 江蘇省介入醫(yī)療器械研究重點實驗室,淮陰工學(xué)院 江蘇省介入醫(yī)療器械研究重點實驗室

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TG115.5

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江蘇省醫(yī)療器械重點實驗室開放基金(No. jr1506)、江蘇大學(xué)高級人才啟動基金(No.15JDG076)


Research on wear performance of TC4 alloys in different tribo-systems
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School of Materials Science and Engineering,Jiangsu University,Jiangsu Zhenjiang,School of Materials Science and Engineering,Jiangsu University,Jiangsu Zhenjiang,Huanyin Institute of Technology,Jiangsu Provincial Key Laboratory for Interventional Medical Devices,Jiangsu Huaian,Huanyin Institute of Technology,Jiangsu Provincial Key Laboratory for Interventional Medical Devices,Jiangsu Huaian

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    摘要:

    對TC4合金在TC4/GCr15和TC4/ W6Mo5Cr4V2摩擦體系中的磨損行為及特征進行了研究。利用SEM、EDS以及XRD等對試樣磨面和剖面的形貌、成分及結(jié)構(gòu)進行了觀察與分析。結(jié)果表明：兩種摩擦體系中,在25℃,鈦合金的磨損率均較高,磨損性能很差；在400℃,合金在TC4/ W6Mo5Cr4V2摩擦體系中的磨損率遠大于TC4/GCr15摩擦體系中的；在600℃,鈦合金的磨損率均較低,且在TC4/GCr15摩擦體系中的磨損率低于TC4/ W6Mo5Cr4V2摩擦體系中。在400和600℃,磨盤材料對合金的磨損率具有不同的影響。磨損率的降低與磨損表面的氧化物數(shù)量有關(guān),當磨損表面形成大量氧化物且能穩(wěn)定存在時,磨損率極低,具有優(yōu)異的磨損性能。

    Abstract:

    Wear behavior and characteristic of TC4 alloy in TC4/GCr15 and TC4/ W6Mo5Cr4V2 tribo-systems were studied. The morphologies, element and structure of worn surface and cross-section were observed and analysed with SEM, EDS and XRD. The results show that in two tribo-systems, wear rate of titanium alloy at 25℃ was high and wear performance was poor; at 400℃, wear rate in TC4/ W6Mo5Cr4V2 was much higher than that in TC4/GCr15; wear rate of titanium alloy at 600℃ was very low and wear rate in TC4/GCr15 was lower than that in TC4/ W6Mo5Cr4V2.At 400 and 600℃, counterface materials have different impact on wear rate of alloy. The decrease of wear rate was related with the amount of oxides, titanium alloy presented extremely low wear rate and excellent wear performance when worn surface contained a large amount of oxides which can be existed stably.

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王蘭,王樹奇,丁紅燕,劉愛輝. TC4合金在不同摩擦體系中磨損性能的研究[J].稀有金屬材料與工程,2017,46(9):2449~2454.[Wang Lan, Wang Shuqi, Ding Hongyan, Liu Aihui. Research on wear performance of TC4 alloys in different tribo-systems[J]. Rare Metal Materials and Engineering,2017,46(9):2449~2454.]
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  • 收稿日期:2015-07-23
  • 最后修改日期:2017-09-30
  • 錄用日期:2016-04-27
  • 在線發(fā)布日期: 2017-11-29
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