Granular modeling for powder-binder compound characterization in powder injection molding

Tatsuhiko Aizawa; Takashi Iwai

Granular modeling for powder-binder compound characterization in powder injection molding

Tatsuhiko Aizawa, Takashi Iwai

Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

New granular modeling is proposed to deal with the powder morphology. The simple shear viscosity testing is utilized to computationally measure the variation of relative viscosity with increasing shear strain or solid loading ratio of particles. Abrupt increase of non-newtonian viscosity with increasing the loading ratio has close relationship with the forced orientation of irregularly-shaped particles. This interparticle interaction reveals on the effect of powder morphology on the actual viscous behavior of the powder-binder compound in the powder injection molding.

Original language	English
Pages (from-to)	183-188
Number of pages	6
Journal	American Society of Mechanical Engineers, Fluids Engineering Division (Publication) FED
Volume	246
Publication status	Published - 1998 Dec 1

ASJC Scopus subject areas

Engineering(all)

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abstract = "New granular modeling is proposed to deal with the powder morphology. The simple shear viscosity testing is utilized to computationally measure the variation of relative viscosity with increasing shear strain or solid loading ratio of particles. Abrupt increase of non-newtonian viscosity with increasing the loading ratio has close relationship with the forced orientation of irregularly-shaped particles. This interparticle interaction reveals on the effect of powder morphology on the actual viscous behavior of the powder-binder compound in the powder injection molding.",

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