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2012 | OriginalPaper | Buchkapitel

Contribution to Thermal Properties of Multi-Component Porous Ceramic Materials Used in High-Temperature Processes in the Foundry Industry

verfasst von : Z. Ignaszak, P. Popielarski

Erschienen in: Heat and Mass Transfer in Porous Media

Verlag: Springer Berlin Heidelberg

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Abstract

This chapter presents a practical approach to the identification and interpretation of phenomena in multi-component ceramic granular porous materials (called mould sands) used as the moulds to cast metal alloys at temperatures above 1,300°C. The methodologies chosen for experimental (using artificial and technological heat sources) and numerical studies (using the inverse solution) of these materials and their application in database of simulation systems for virtualization of casting processes are described. The essence of substitute coefficients of mould thermal parameters and the notion of thermal history of heating are explained. The experiment shows the sensitivity of the simulation results to changes in the materials’ coefficients and also that validation is required for the proper use of simulation systems in foundries. Examples of estimating thermal characteristic for the materials chosen with—middle and high thermal instability are presented. Furthermore, the thermo-mechanical parameters of these porous thermolabile materials in original Hot Distortion^® tests are signalled.

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Titel: Contribution to Thermal Properties of Multi-Component Porous Ceramic Materials Used in High-Temperature Processes in the Foundry Industry
verfasst von: Z. Ignaszak
P. Popielarski
Verlag: Springer Berlin Heidelberg
Buch: Heat and Mass Transfer in Porous Media
Print ISBN: 978-3-642-21965-8

Electronic ISBN: 978-3-642-21966-5

Copyright-Jahr: 2012
DOI: https://doi.org/10.1007/978-3-642-21966-5_8

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