坡缕石微粉润滑油添加剂对钢/钢摩擦副摩擦学性能的影响及其机理探讨
Effect of Micro-palygorskite Powder in Base Oil on the Tribological Properties of Steel/Steel Rubbing Pair and Approach to Its Mechanism
查看参考文献14篇
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文摘
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将微米级的坡缕石矿物粉加入基础油中,考察了钢/钢摩擦副在销盘试验机上相对于基础油的摩擦学性能,采用扫描电镜(SEM)、透射电镜(TEM)、俄歇电子能谱(AES)、激光拉曼共焦光谱(Ram an)等仪器分析了磨损试验后试样表面层成分与结构的变化,探讨了矿物微粉在摩擦磨损过程中的作用机理.结果表明,坡缕石的加入可明显提高摩擦副的减摩抗磨性能;使摩擦副表面更为平整;使表层氧化层厚度减少;增加了试样表层C元素的富集;试验过程中矿物粒子有破碎和解束现象,起到了隔离摩擦副的作用.这些因素都对改善摩擦副的摩擦学性能发挥了有利作用. |
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其他语种文摘
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Tribotest for identifying the effect of micron-palygorskite powder as an additive in base oil on the tribological properties of steel-pair was made on a pin-on-disc tester.The variation of composition and structure of surface layer of samples after tribotest were analysed by SEM,TEM,AES and Raman spectrometer,The action mechanism of palygorskite powder in the friction and wear process was approached as well.In comparison with steel-pair with base oil,the steel-pair using palygorskite additive obviously decreased friction coefficient and wear,the surface of steel sample became smoother,the thickness of oxidative layer on the surface was reduced,the C element was obviously enriched in the surface layer of disk sample,and the palygorskite particles were broken up and untied as fibres in the wear process.all above factors played beneficial roles for improving the tribological properties. |
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来源
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摩擦学学报
,2008,28(6):534-540 【核心库】
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关键词
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坡缕石
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减摩抗磨
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矿物粒子
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富碳
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氧化
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地址
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1.
（北京）中国地质大学工程技术学院, 北京, 100083
2.
（北京）中国矿业大学材料系, 北京, 100083
3.
清华大学机械工程系, 北京, 100085
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1004-0595 |
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学科
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机械、仪表工业 |
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基金
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中国地质大学（北京）科学钻探国家专业实验室开放研究基金
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文献收藏号
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CSCD:3465984
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