引用本文:温恒,解挺,李晨,陈堃,张俊龙,尹延国.基于色度分析方法对铜基石墨材料摩擦表面自润滑膜的评价分析∗[J].中国表面工程,2021,34(3):75~82
Wen Heng,Xie Ting,Li Chen,Chen Kun,Zhang Junlong,Yin Yanguo.Evaluation and Analysis of Self-lubricating Films on Friction Surface of Copper Matrix Graphite Composite Based on Chromaticity Analysis Method[J].China Surface Engineering,2021,34(3):75~82
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基于色度分析方法对铜基石墨材料摩擦表面自润滑膜的评价分析∗
温恒1, 解挺1,2, 李晨1, 陈堃1, 张俊龙1, 尹延国1,2
1.合肥工业大学摩擦学研究所 合肥 230009;2.高性能铜合金材料及成形加工教育部工程研究中心 合肥 230009
摘要:
提出一种基于色度分析方法对铜基石墨复合材料摩擦过程中产生的石墨润滑膜图片进行图像处理,从而实现对石墨自润滑膜的覆盖率进行定量分析。 这种方法较通常使用的二值化图像处理方法更加合理、准确,能够更加真实地反映出石墨润滑膜覆盖情况。 基于色度分析方法对转移膜覆盖率的分析较二值化图像处理方法分析的准确度有显著提升。 通过定量分析研究了石墨含量及尺寸对自润滑膜覆盖率的影响,结果发现随着石墨含量的增加、石墨尺寸的减小,自润滑膜覆盖率逐渐增加。 分析表明,随着自润滑膜覆盖率的提高,铜基石墨复合材料的摩擦因数成线性降低,而磨损量略有提高。
关键词:  铜基石墨材料  色度分析  摩擦表面  自润滑膜  定量分析
DOI：10.11933/j.issn.1007-9289.20210309001
分类号:TH117
基金项目:国家自然科学基金资助项目(51575151)
Evaluation and Analysis of Self-lubricating Films on Friction Surface of Copper Matrix Graphite Composite Based on Chromaticity Analysis Method
Wen Heng1, Xie Ting1,2, Li Chen1, Chen Kun1, Zhang Junlong1, Yin Yanguo1,2
1.Institute of Tribology, Hefei University of Technology, Hefei 230009 , China;2.Engineering Research Center of High Performance Copper Alloy Materials and Processing, Ministry of Education, Hefei 230009 , China
Abstract:
A analysis method based on chromaticity analysis is proposed to process the image of graphite lubricating film produced in friction process of copper matrix graphite composites, so as to realize the quantitative analysis of the coverage of the graphite self- lubricating film. This method is more reasonable and accurate than the commonly used binarization method, and can more truly reflect the graphite lubricating film coverage. For this research work, the analysis accuracy of transfer film coverage based on colorimetric analysis method is significantly improved compared with the analysis accuracy of binarization method. The effect of graphite content and graphite size on the self-lubricating film coverage rates were studied by quantitative analysis. The results showed that the self-lubricating film coverage rate increased gradually with the increase of graphite content and the decrease of graphite size. The analysis indicated that with the increase of the self-lubricating film coverage, the friction coefficient decreased linearly and the wear loss increased slightly.
Key words:  copper matrix graphite composite  chromaticity analysis  friction surface  self-lubricating film  quantitative analysis
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