Abstract
Particle removal mechanism was presented during machining particle SiC/Al composites with diamond grinding tool. The relevant removal modes and their mechanisms were discussed considering the impact and squeezing effect of diamond grit on the SiC particle. The experimental results show that the aluminum matrix has larger plastic deformation, so the aluminum mixed with the surplus SiC particles is cut from the surface. The SiC particles can be removed in multiple ways, such as broken/fractured, micro cracks, shearing and pulled out, etc. More particles removed by shearing, and less particles removed by fractured during material removal progress can produce a better machined surface.
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Funded by the National Natural Science Foundation of China (51505434), the Key Scientific and Technological Project of Henan Province (172102210547), and the Program for Innovative Research Team in Science and Technology in University of Henan Province (18IRTSTHN015)
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Du, J., Ming, W., Cao, Y. et al. Particle Removal Mechanism of High Volume Fraction SiCp/Al Composites by Single Diamond Grit Tool. J. Wuhan Univ. Technol.-Mat. Sci. Edit. 34, 324–331 (2019). https://doi.org/10.1007/s11595-019-2055-5
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DOI: https://doi.org/10.1007/s11595-019-2055-5