Rough surfaces and elasto-plastic contacts |
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| Institution: | 1. École centrale de Lyon, 36, avenue Guy-de-Collongue, 69131 Écully cedex, France;2. École nationale d''ingénieurs de St. Etienne, 58, rue Jean-Parot, 42000 St. Etienne, France;3. Laboratoire de tribologie et dynamique des systèmes, UMR CNRS 5513, France;1. LaMCoS, Contacts and Structural Mechanics Laboratory, Université de Lyon, CNRS, INSA-Lyon, UMR 5259, 20 rue des Sciences, F-69621 Villeurbanne, France;2. DIIIE, Department of Industrial Engineering Information and Economy, Università dell׳Aquila, Via G. Gronchi 18, I-67100 L׳Aquila, Italy;3. DIMA, Department of Mechanical and Aerospace Engineering, Università di Roma “La Sapienza”, Via Eudossiana, 18, 00184 Roma, Italy;4. InTriG, International Tribology Group, Villeurbanne, France;1. State Key Laboratory for Strength and Vibration of Mechanical Structures, School of Aerospace, Xi''an Jiaotong University, Xi''an 710049, People''s Republic of China;2. College of Aerospace Engineering, Chongqing University, Chongqing 400044, People''s Republic of China;1. Materials Center Leoben Forschung GmbH, Roseggerstrasse 12, A-8700 Leoben, Austria;2. Fatigue and Fracture Research Laboratory, Center of Excellence in Experimental Solid Mechanics and Dynamics, School of Mechanical Engineering, Iran University of Science and Technology, Narmak, 16846 Tehran, Iran;3. Department of Materials Science and Engineering, Shahid Bahonar University of Kerman, Postal code 7618868366, Kerman, Iran;1. Department of Mechanics, Mathematics and Management, Politecnico of Bari, V.le Japigia, 182, 70126, Bari, Italy;2. Imperial College London, Department of Mechanical Engineering, Exhibition Road, London, SW7 2AZ, UK;3. CNR - Institute for Photonics and Nanotechnologies U.O.S. Bari, Physics Department ”M. Merlin”, via Amendola 173, 70126, Bari, Italy |
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| Abstract: | We consider the contact between a rough surface and a smooth rigid plane. The real contact area and pressure are determined by taking into account the deformation regimes of metallic asperities. The local contact of each asperity is studied, by introducing a transitional regime between perfectly elastic and plastic extreme behaviours. |
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