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首页> 外文会议>International Conference on Surface Modification Technologies >Tribology at High Temperature: Comparison of the Tribological Behaviour of Si{sub}3N{sub}4-based Composites against Steels at 700°C in Air and in an Aqueous Environment
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Tribology at High Temperature: Comparison of the Tribological Behaviour of Si{sub}3N{sub}4-based Composites against Steels at 700°C in Air and in an Aqueous Environment

机译：高温的摩擦学：Si {Sub} 3N {Sub} 4基复合材料在空气中700°C的钢材的摩擦学行为的比较

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摘要

This paper describes the results of air and aqueous environment rolling - sliding wear tests at 700°C of Si{sub}3N{sub}4-TiN/100Cr6 and Si{sub}3N{sub}4-TiN/E24 pairs. The average friction factor was still high (about 0.4 to 0. 52). There was a slightly difference between the air and aqueous conditions but the wear mechanisms were different. Special emphasis is on the observations of the worn surfaces and the detection of a specific protective and/or lubricious tribofilm (presence of TiO{sub}2 for example) in order to explain the results. This paper deals with numerical models of coated discs. The discs variant with discontinuous frictional surfaces has been examined. Stresses and temperature distributions observed with multisector or multipin discs were found to be advantageous for the reliability and lifetime.
机译：本文介绍了Si {Sub} 3N {Sub} 4-TIN / 100CR6和SI {SUB} 3N {SUB} 4-TIN / E24对的空气和含水环境轧制 - 滑动磨损试验结果。平均摩擦系数仍然高（约0.4至0.52）。空气和含水条件之间存在略微差异，但磨损机制不同。特别强调在磨损的表面观察和检测特异性保护和/或润滑的呋喃酚（例如TiO {Sub} 2的存在）以解释结果。本文涉及涂层光盘的数值模型。已经检查了具有不连续摩擦表面的光盘变体。发现用多滤波器或多峰盘观察的应力和温度分布对于可靠性和寿命有利。

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