Numerical Simulation of Powder Injection Molding Filling Process Based on ANSYS

J Mater Sci Technol ›› 2003, Vol. 19 ›› Issue (Supl.): 144-146.

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Numerical Simulation of Powder Injection Molding Filling Process Based on ANSYS

Zhoushun ZHENG, Xuanhui QU, Yunping LI, Jianfeng GUO

National Key Lab for Powder Metallurgy, Central South University, Changsha 410083, China;Department of Applied Mathematics and Applied Software, Central South University, Changsha 410083, China

Received:1900-01-01 Revised:1900-01-01 Online:2003-12-28 Published:2009-10-10
Contact: Zhoushun ZHENG

Abstract

Abstract: A mathematical model of two-dimensional flows of PIM derived from the momentum, continuity equations and the heat transfer equation is obtained. The formula of calculating the flow conductance and the pressure equation are deduced when the no slip boundary condition is employed at the wall, and the pressure equation is a non-linear elliptic partial differential equation. The flow front locations, distribution of velocities, temperature and pressure are simulated by the finite element analysis software ANSYS. Simulation results indicate that it is in the final filled part that defects appear easily. The region in which the defects may occur during the PIM process can be predicted.

Key words: Numerical simulation, Powder injection molding, Mathematical model, ANSYS

Zhoushun ZHENG, Xuanhui QU, Yunping LI, Jianfeng GUO. Numerical Simulation of Powder Injection Molding Filling Process Based on ANSYS[J]. J Mater Sci Technol, 2003, 19(Supl.): 144-146.

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Numerical Simulation of Powder Injection Molding Filling Process Based on ANSYS

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