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EFFECT OF MICROHETEROGENEOUS HEATING OF POWDER UNDER FIELD-ASSISTED SINTERING ON SHRINKAGE KINETICS

A.Kuzmov,
 
E.A.Olevskiy,
 
E.V.Aleksandrova
 

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, 2012, #11/12
http://www.materials.kiev.ua/article/1164

Abstract

The paper examines microheterogeneous distribution of temperature and its effect on the rheological behavior of an efficient dispersion-porous medium when an electric current passes through copper powder with spherical particles coated with an oxide layer. The microheterogeneous distribution of temperature needs to be considered to describe the temperature dependence of the effective dispersion-porous medium under electrical heating.


FIELD-ASSISTED SINTERING, LOCALITY OF ELECTRICAL HEATING, OXIDE FILMS

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