1. College of Optical And Electronical Information, Changchun University of Science And Technology, Changchun, Jilin 130012, China
2. School of Mechanical and Engineer, Changchun Institute of Technology, Changchun, Jilin 130012, China
Abstract:In order to solve the problem of micro-friction in micro-electro-mechanical systems(MEMS), a micro-friction test technology based on light reflection was proposed. The basic principles and implementation steps of the test method were discussed, the test prototype was developed, the complete process of measurement and calibration of the test system was analyzed in detail, and finally the measurement data and curve of the test system were obtained. Through the micro-friction experiment test on the Cu-Si and Al-Si surfaces, the micron-level micro-friction coefficients of the Cu-Si and Al-Si surfaces were obtained. It provides a basis for the understanding and design of the micro-mechanisms motion characteristics.
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