Applying the friction ring test on a micro and meso scale Online publication date: Thu, 21-Aug-2014
by Alexandre Milanez; Lírio Schaeffer; Alberto Moreira Guerreiro Brito
International Journal of Mechatronics and Manufacturing Systems (IJMMS), Vol. 5, No. 3/4, 2012
Abstract: This study analyses the friction between a micro/meso part and a tool using the friction ring test. Four different materials were analysed, SAE1020 steel, AISI304 stainless steel, AA6531 aluminium and C34000 brass. Compression tests were performed on the four materials to determine the material flow stress curves of two different test specimen sizes and look at the size effect on the compression test. Three different ring sizes in four different materials analysed were used for the friction ring tests, applying molybdenum bisulphide-based lubrication. Based on the results of the flow stress curves, the calibration curves were performed with the SIMUFATC software for each material and size of friction ring using the Amontons-Coulomb friction model. The results of the experiments indicate a reduction in friction as the part becomes smaller, and the factor material influences the reduction of friction between the part and the tool.
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