The effect of fillers on the rheology of model composition

Guseva M.A., Aslanyan I.R.
UDC
621.74.045
DOI
10.18577/2307-6046-2019-0-5-94-102
Article PDF (Russian) (813.36 KB)
How to cite
Guseva M.A., Aslanyan I.R. The effect of fillers on the rheology of model composition // Proceedings of VIAM. 2019. No. 5. DOI: 10.18577/2307-6046-2019-0-5-94-102. URL: https://test.viam.ru/en/journal/2019/5/11
Keywords
rheological tests, rheological model, viscosity, model compositions, filler, investment casting.
Abstract

This paper presents the possibilities of assessing the technological properties of model compositions using the rheological method at the stage of developing of prayer compositions for investment casting. The analysis of the results of studies of the rheological behavior of the composition with the introduction of solid fillers – terephthalic acid, polyvinyl alcohol and rosin is carried out. It is shown that the rheological model of these compositions, regardless of the nature of the filler, is described by a model for a viscoplastic body. The influence of the filler concentration on the melting temperature range of model composition was established.

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