| Ti6Al4V/WC-Co干摩擦性能研究 |
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| 引用本文： | 梁雄,杜平,高党寻,李双寿.Ti6Al4V/WC-Co干摩擦性能研究[J].制造技术与机床,2022(1):98-102. |
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| 作者姓名： | 梁雄 杜平 高党寻 李双寿 |
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| 作者单位： | 清华大学基础工业训练中心;清华大学摩擦学国家重点实验室 |
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| 摘 要： | 利用Optimal SRV高温摩擦磨损试验机,研究干摩擦条件下钛合金(Ti6Al4V)对硬质合金(WC-Co)的摩擦学性能.研究了载荷、温度与滑动速度对摩擦过程的影响,通过磨损区微观形貌表征分析了磨损机理.结果表明:Ti6Al4V与WC-Co的摩擦系数波动剧烈,产生了严重的黏滑摩擦,且随着载荷、温度与滑动速度的增加,黏...
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| 关 键 词： | 钛合金 硬质合金 干摩擦 磨损机制 |
Study on tribological properties of Ti6Al4V/WC-Co under different dry friction conditions |
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| LIANG Xiong,DU Ping,GAO Dangxun,LI Shuangshou.Study on tribological properties of Ti6Al4V/WC-Co under different dry friction conditions[J].Manufacturing Technology & Machine Tool,2022(1):98-102. |
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| Authors: | LIANG Xiong DU Ping GAO Dangxun LI Shuangshou |
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| Affiliation: | (Fundamental Industry Training Center,Tsinghua University,Beijing 100084,CHN;State Key Laboratory of Tribology,Tsinghua University,Beijing 100084,CHN) |
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| Abstract: | The tribological properties of titanium alloy(Ti6Al4V)against cemented carbide(WC-Co)under dry sliding condition were studied by using Optimal SRV tribotester.The effects of load,temperature and sliding speed on the friction process were studied,and the wear mechanism was analyzed by characterizing the micro-morphology of the wear zone.The results show that the friction coefficient fluctuates violently under all experimental conditions,which indicated that serious stick-slip friction occurs,and the stick-slip phenomenon becomes more intense with the increase of load,temperature and sliding speed.In comparison,the effect of sliding speed on friction coefficient is more significant.Micro-morphology analysis shows that the wear form of titanium alloy is mainly adhesive wear,but accompanied by grooves caused by ploughing effect,while cemented carbide mainly shows a certain degree of adhesive wear because of its high hardness. |
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| Keywords: | Ti6Al4V cemented carbide dry friction wear mechanism |
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