| 微磨损测试数据分析 |
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| 引用本文： | 陈平,陈华辉,李文博.微磨损测试数据分析[J].金属世界,2009(Z1). |
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| 作者姓名： | 陈平 陈华辉 李文博 |
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| 作者单位： | 1. 北京科技大学机械工程学院,北京,100083
2. 中国矿业大学机电与信息工程学院,北京,100083 |
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| 摘 要： | 本文利用自行研制的多功能微磨损试验机研究涂层的微磨损测试数据,主要分析了线接触工况下磨痕的测量误差对磨损系数误差的影响,讨论了获得合理而准确的测量值的微磨损测试条件.分析结果表明,涂层和基体的磨损系数Kc和Ks的误差取决于涂层和基体磨损系数的比值Kc/Ks、无量纲参数a2Rt以及磨痕内宽度a和涂层厚度t的相对测量误差;当磨痕内宽度的最小尺寸a0大于最小极限值时,涂层和基体磨损系数的误差降低;a0的最小尺寸取决于对磨环半径和磨料粒径.
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| 关 键 词： | 微磨损 涂层 磨损系数 误差 线接触 |
Data Analysis for the Micro-scale Wear Testing |
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| Chen Ping,Chen Huahui,Li Wenbo.Data Analysis for the Micro-scale Wear Testing[J].Metal World,2009(Z1). |
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| Authors: | Chen Ping Chen Huahui Li Wenbo |
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| Affiliation: | 1.School of Mechanical Engineering;University Science and Technology of Beijing;Beijing 100083;China;2.School of Mechanical Electronic and Information Engineering;China University of Mining and Technology;China |
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| Abstract: | According to test data of coatings obtained using home-made multifunctional micro-wear tester,the influence of crater measurement error on wear coefficient under line condition was mainly analyzed.In order to obtain accurate measurement values,the micro-scale wear test condition was discussed.The results show that the errors in K_c and K_s,of coating and substrate are determined by the ratio of the K_c/K_s,the nondimensional parameter a~2/Rt and the relative measurement errors of the inner crater width.And ... |
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| Keywords: | micro-scale wear coating wear coefficient error line contact |
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