Influence of surface preparation on roughness parameters,friction and wear |
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| Authors: | M. Sedlaček B. Podgornik J. Vižintin |
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| Affiliation: | 1. Arts et Métiers ParisTech, MSMP, Rue Saint Dominique, BP 508, 51006 Châlons-en-Champagne, Cedex, France;2. RENAULT S.A.S., Direction de la Mécanique/Direction de l’Ingénierie Process, Rueil Malmaison, Paris, France;1. Key Laboratory of High Efficiency and Clean Mechanical Manufacture of MOE, School of Mechanical Engineering, Shandong University, Jinan 250061, PR China;2. Key National Demonstration Center for Experimental Mechanical Engineering Education, Shandong University, Jinan 250061, PR China;1. School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China;2. State Key Laboratory of Advanced Welding Production Technology, Harbin Institute of Technology, Harbin 150001, China;1. School of Mechatronic Engineering, Lanzhou Jiaotong University, Lanzhou 730000, PR China;2. State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Science, Lanzhou 730000, PR China |
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| Abstract: | The aim of the present research was to investigate influence of surface preparation on roughness parameters and correlation between roughness parameters and friction and wear. First the correlation between different surface preparation techniques and roughness parameters was investigated. For this purpose 100Cr6 steel plate samples were prepared in terms of different average surface roughness, using different grades of grinding, polishing, turning and milling. Different surface preparation techniques resulted in different Ra values from 0.02 to 7 μm. After this, correlation between surface roughness parameters and friction and wear was investigated. For this reason dry and lubricated pin-on-disc tests, using different contact conditions, were carried out, where Al2O3 ball was used as counter-body. It was observed that parameters Rku, Rsk, Rpk and Rvk tend to have influence on coefficient of friction. |
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