Wear and friction of 6061-T6 aluminum alloy treated by laser shock processing |
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| Affiliation: | 1. Centro de Ingeniería y Desarrollo Industrial, Pie de la Cuesta No. 702, Desarrollo San Pablo, Querétaro, Qro. 76130, México;2. Departamento de Física Aplicada a la Ingeniería Industrial, E.T.S.I.I. Universidad Politécnica de Madrid, Spain;1. School of Material Science and Engineering, Central South University, Changsha, 410083, China;2. Key Laboratory of Ministry of Education for Nonferrous Metal Materials Science and Engineering, Central South University, Changsha, 410083, China;3. Shenyang Institute of Automation, Chinese Academy of Science, Shenyang, 110016, China;1. School of Mechanical Engineering, Jiangsu University, Zhenjiang 212013, PR China;2. School of Materials Engineering, Jiangsu University of Technology, Changzhou 213001, PR China;3. School of Mechanical Engineering, Southeast University, Nanjing 211189, PR China;1. School of Mechanical Engineering, Jiangsu University, Zhenjiang 212013, PR China;2. School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, PR China;1. Laser Center, Universidad Politécnica de Madrid, Campus Sur, Edificio Tecnológico la Arboleda, Carretera de valencia km 7,300, Madrid, Spain;2. Applied Physics and Materials Engineering Department, Escuela Técnica Superior de Ingenieros Industriales, Universidad Politécnica de Madrid, José Gutiérrez Abascal, 2, 28006 Madrid, Spain |
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| Abstract: | Laser shock processing (LSP) is becoming an important surface treatment to induce a compressive residual stress field, which improves fatigue and fracture properties of components. In this work, we examine the effect of laser shock processing on the wear and friction behavior of 6061-T6 aluminum alloy. Wear rate and friction coefficient evolution are investigated for different process parameters of LSP. Roll-on-flat tribometer is used with different loading conditions. Hardness and residual stresses are assessed as well. It is observed that wear rate decreases as pulse density increases; this is explained in light of residual stress distribution. |
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