Rheology of superplastic ceramics

J Mater Sci Technol ›› 2001, Vol. 17 ›› Issue (01): 123-124.

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Rheology of superplastic ceramics

Andrei N.Yershov, Jeong Seung

Lab. of Superplastic Materials Deformation, Moscow State Steels and Alloys institute 4, Leninsky Prospect, Moscow 117936, Russia

Received:2000-04-25 Revised:1900-01-01 Online:2001-01-28 Published:2009-10-10
Contact: Andrei N.Yershov

Abstract

Abstract: Constitutive equation of rheology describing a phenomenological level of superplastic deformation as functional correlation between tensor components of stress and strain rate has been analyzed for the case of superplastic ceramic flow. Rheological properties of material are taken into account by means of scalar rheological coefficients of shear and volume viscosity, which are functions of temperature, effective stress (or strain rate) and density of material.

Key words:

Andrei N.Yershov, Jeong Seung. Rheology of superplastic ceramics[J]. J Mater Sci Technol, 2001, 17(01): 123-124.

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Rheology of superplastic ceramics

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