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RHEOLOGICAL MODEL OF SINTERING AND VISCOUS FLOW OF POROUS MATERIALS WITH 2D DEFECTS

† V.Skorokhod,
 
M.Shtern
 

I. M. Frantsevich Institute for Problems of Materials Science of the NAS of Ukraine, Omeliana Pritsaka str.,3, Kyiv, 03142, Ukraine
Powder Metallurgy - Kiev: Frantsevich Institute for Problems of Materials Science NASU, 2019, #07/08
http://www.materials.kiev.ua/article/2857

Abstract

The viscous flow and sintering of porous materials that contain 2D defects are analyzed. The analysis is based on the rheological theory of sintering developed by Valerii Skorokhod and on the extended continual powder model. The behavior of porous materials is considered for the sintering process combined with uniaxial tension. In particular, neutral sintering is regarded as an indirect method to estimate the effective Laplace pressure.


2D DEFECTS, COMPRESSIBILITY, POROSITY, RHEOLOGICAL MODELS, SINTERING, VISCOUS FLOW

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