王延忠,魏彬,宁克焱,韩明,沈蓉.Cu基粉末冶金材料表面表征与图像阀值接触分析[J].表面技术,2014,43(1):40-43.
WANG Yan-zhong,WEI Bin,NING Ke-yan,HAN Ming,SHEN Rong.Topology Acquisition and Contact Analysis of Image Threshold of Cu-based Sintered Material[J].Surface Technology,2014,43(1):40-43
Cu基粉末冶金材料表面表征与图像阀值接触分析
Topology Acquisition and Contact Analysis of Image Threshold of Cu-based Sintered Material
投稿时间:2013-07-08  修订日期:2013-08-18
DOI:
中文关键词:  粉末冶金  摩擦机机理  接触分析  阀值分析  二值化处理
英文关键词:sintered materials  friction mechanism  threshold  binary
基金项目:
作者单位
王延忠 北京航空航天大学 机械工程学院, 北京 10019 
魏彬 北京航空航天大学 机械工程学院, 北京 10019 
宁克焱 中国北方车辆研究所 车辆传动重点实验室, 北京 100072 
韩明 中国北方车辆研究所 车辆传动重点实验室, 北京 100072 
沈蓉 中国北方车辆研究所 车辆传动重点实验室, 北京 100072 
AuthorInstitution
WANG Yan-zhong School of Mechanical Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China 
WEI Bin School of Mechanical Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China 
NING Ke-yan National Key Laboratory of Vehicular Transmission, China North Vehicle Research Institute, Beijing 100072, China 
HAN Ming National Key Laboratory of Vehicular Transmission, China North Vehicle Research Institute, Beijing 100072, China 
SHEN Rong National Key Laboratory of Vehicular Transmission, China North Vehicle Research Institute, Beijing 100072, China 
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中文摘要:
      目的 研究 Cu 基粉末冶金摩擦材料的微接触力学特性,对该材料的表面形貌进行精确采集和合理表征。 方法 通过镭射形貌仪采集表面形貌,利用 MATLAB 对形貌点阵进行插值重构,在 ANSYS 中获得接触分析的图像,采用图像阀值分析和二值化处理。 结果 分析得到了 Cu 基粉末冶金材料接触过程的真实接触面积与轮廓接触面积范围,验证了不同接触区域的接触机理。 结论 证明了摩擦副接触过程存在复杂的弹塑性接触区域,不同机理所控制的接触区域所占的比例从 6% ~ 27% 不等。
英文摘要:
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