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Abstract

This article discusses continuum modeling, which is the most relevant approach in modeling grain growth, densification, and deformation during sintering. Continuum plasticity models are frequently used to describe the mechanical response of metal powders during compaction. The article illustrates the typical procedure for computer simulation for press and sinter process. It describes the procedure to obtain the material properties based on the generalized Shima-Oyane model. The article presents a wide variety of tests, accounting for data on the grain growth, densification, and distortion where these data help in the development of a constitutive model for sintering simulation. Finally, the article provides information on the simulation approaches used to optimize die compaction and sintering.

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Suk Hwan Chung, Young-Sam Kwon, Seong Jin Park, Randall M. German, 2015. "Modeling and Simulation of Press and Sinter Powder Metallurgy", Powder Metallurgy, P. Samal, J. Newkirk

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