oaioai:CiteSeerX.psu:10.1.1.570.7390

Numerical Analysis and Optimization of Die Compaction Process

Abstract

The optimization program (PMsolver) is developed to analyze and optimize the powder compaction. The optimization program has the capability to predict (1) the formation of cracks in the green compact, (2) the density distribution in the compact and (3) the tooling forces required to achieve these densities and (4) provide the optimum processing variables during powder compaction. The optimization program is applied to predict the density distribution and tooling forces. Based on the verification of the program, loading schedule is optimized to achieve uniform density distribution in the Hub shaped green part during die compaction. This part had been previously analyzed by several compaction simulation models through the European consortium MODNET. A new concept to predict crack formation during powder compaction is proposed. The numerical simulation results show excellent agreement with experimental data and the process conditions obtained by the optimization procedure remarkably improve the quality of product

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oaioai:CiteSeerX.psu:10.1.1.570.7390Last time updated on 10/29/2017

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