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Chip Formation Simulation in FE Modeling for Machining FRP Composite
Abstract:
The influence of chip formation technology on the simulation of machining unidirectional fiber reinforced polymer composite (FRP) is investigated. Two-dimensional macro-mechanical FE model was developed for orthogonal machining. Tsai-Hill failure criterion was implemented in VUMAT Abaqus subroutine. Two different chip formation technologies were simulated, analyzed and compared with experiment in literature. The results show that chip formation technology makes a difference in FRP machining simulation for various cutting conditions. Though chip shape, cutting forces and sub surface damages predicted by ALE model are more reasonable than that by element deletion model, predictions in both models are not satisfactory due to inherent limitations associated with the macro mechanical FE model and Tsai-Hill damage criterion.
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2422-2426
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May 2013
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© 2013 Trans Tech Publications Ltd. All Rights Reserved
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