Numerical Simulation and Verification of Bimetal Compound Casting Process Based on ANSYS
The residual stress of ductile iron-cemented carbide compound roller ring produced by compound casting was simulated by ANSYS.According to the numerical simulation results,the process parameters were determined as follows:the coating area ratio of ductile iron to hard alloy of 0.344∶1,the cross-sectional area ratio is 0.4∶1,the cast-ing temperature of ductile iron of 1 320℃,and the hard alloy preheating temperature of 800℃.The compound roller with diffusion zone width of 6 mm without macro and micro defects was successfully prepared.
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