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粉末注射成形Ti-12Mo合金的摩擦磨損性能研究
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北京科技大學新材料技術(shù)研究院,北京科技大學新材料技術(shù)研究院,北京科技大學新材料技術(shù)研究院,北京科技大學新材料技術(shù)研究院,北京科技大學新材料技術(shù)研究院,北京科技大學新材料技術(shù)研究院

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國家自然科學基金資助(項目號51204015)；新金屬材料國家重點實驗室開放基金資助(項目號2012Z-10)


Friction and Wear Performance of Ti - 12Mo Alloy by Powder Injection Molding
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    摘要:

    本文選擇粉末注射成形制備的Ti-12Mo合金為主要研究對象,與粉末冶金冷壓燒結(jié)制備的純Ti和TC4合金,以及在口腔材料應用最廣的鑄造TC4鈦合金作對照,研究分析鈦及其合金的耐磨性能及磨損機理。結(jié)果表明在相同摩擦磨損條件下,Ti-12Mo合金耐磨性要優(yōu)于冷壓燒結(jié)制備的純Ti和TC4合金,與鑄造TC4合金相當；Ti-12Mo合金為魏氏體組織,由β相及α相組成,其顯微硬度為310HV,其摩擦系數(shù)基本保持在0.43左右,低于其他3種鈦合金；Ti-12Mo合金磨損機制主要為磨粒磨損。

    Abstract:

    The Friction and wear performance of Ti-12Mo alloy fabricated by powder injection molding (PIM) were investigated. It is compared with that of as-PMed Ti and TC4 alloy and as-casted TC4 alloy, which are the most widely used in the dental materials field. The results show that the Ti-12Mo alloy exhibits higher wear resistance than the as-PMed Ti and TC4 alloy, close to the as-casted TC4 alloy under the same sliding friction conditions. The Ti-Mo alloy exhibit a typical Widmanstatten structure, consisting of β-Ti and α-Ti phases. The micro hardness of Ti-12Mo alloy is about 310HV, and the friction coefficient is stabilized at about 0.43, which are lower than the three other alloys. The wear mechanisms of Ti-12Mo alloy(PIM) is dominated by abrasive wear.

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支玲玲,路新,孫博,巖雨,劉程程,曲選輝.粉末注射成形Ti-12Mo合金的摩擦磨損性能研究[J].稀有金屬材料與工程,2017,46(3):675~679.[Zhi Lingling, Lu Xin, Sun Bo, Yan Yu, Liu Chengcheng, Qu Xuanhui. Friction and Wear Performance of Ti - 12Mo Alloy by Powder Injection Molding[J]. Rare Metal Materials and Engineering,2017,46(3):675~679.]
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  • 收稿日期:2015-01-09
  • 最后修改日期:2015-03-03
  • 錄用日期:2015-03-25
  • 在線發(fā)布日期: 2017-05-18
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