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ASME 2011 International Manufacturing Science and Engineering Conference, Volume 2
Recently, machining has been exploited as a means for producing ultra-fine grained (UFG) and nanocrystalline microstructures for various metal materials, such as aluminum alloys, copper, stainless steel, titanium and nickel-based super alloys, etc. However, no predictive, analytical or numerical work has ever been presented to quantitatively predict the change of grain sizes during machining. In this paper, a dislocation density-based viscoplastic model is adapted for modeling the grain sizedoi:10.1115/msec2011-50220 fatcat:t3eisnmvvjbbtdvrrb3vhhgi4y