Mesoscopic Simulation Analysis of the Influence of Die Wall Friction on Compression Process of Powder Particles

Ming Hua Jiao; Da Li; Long Sun; Man Gu

doi:10.4028/www.scientific.net/AMM.576.97

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 576Mesoscopic Simulation Analysis of the Influence of...

Mesoscopic Simulation Analysis of the Influence of Die Wall Friction on Compression Process of Powder Particles

Abstract:

Discrete element method is applied to investigate the rules of particle flowing by using mesoscopic simulation in the process of compaction. The strain processes,the deformation differences of the particles in typical positions, and the porosities change in different areas under various Die-wall friction coefficients were investigated. The results showed that Die-wall interface friction causes diagonal flow of particles from upper surface edges to the center of compact, which has a significant influence on deformation and density uniformity of powder particles.

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Periodical:

Applied Mechanics and Materials (Volume 576)

Pages:

97-101

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.576.97

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Online since:

June 2014

Authors:

Ming Hua Jiao*, Da Li, Long Sun, Man Gu

Keywords:

Density Uniformity, Die-Wall Friction, Mesoscopic Simulation, Powder Particles

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