Abstract
A multiple-grain cutting model is developed to simulate the grinding process for rolled homogeneous armor steel (RHA) 4043 using a coupled three-dimensional (3-D) finite element (FE) - smoothed-particle hydrodynamics (SPH) approach in the research. The proposed numerical model is then employed to investigate interactions and interferences among the grains at high speed cutting. The numerical results show the cutting forces and pile-ups of chips are greatly influenced by these interactions and interferences during the cutting process.
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