师晓莉,蒋业华,李祖来,李日良

• 1:昆明理工大学材料科学与工程学院

摘要(Abstract)：

研究了在低真空环境下,200~600℃温度区间内高硼中碳合金的高温磨损性能。结果表明:高硼中碳合金在200~500℃温度区间内磨损量随温度提高而线性增大,在600℃时摩擦系数的波动越来越剧烈,摩擦表层金属产生相变而使磨损量增大了一个数量级。低温环境下磨损表现为局部的塑性变形疲劳和氧化磨损,高温环境下摩擦表层软化并形成带状组织,产生更强的塑性流动和氧化磨损,粘着磨损不明显。在600℃时磨损亚表层的共晶硼碳化合物为颗粒状,且磨损亚表层的厚度最厚。

关键词(KeyWords)： 高温磨损;低真空;硼碳化合物

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51171073)

作者(Author): 师晓莉,蒋业华,李祖来,李日良

DOI: 10.13289/j.issn.1009-6264.2015.02.033

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