Method for determining refractory specimen heat resistance

Method for determining refractory specimen heat resistance The most important properties governing the operation of refractories are refractoriness, service temperature and heat resistance. The heat resistance of specimens based on Al2O3 is determined by a standard laboratory procedure with cooling in water (JUS.B.D.8.319). In order to analyze possible worsening of specimen property indices before, during and after rapid water cooling a Pro Plus Program control system is used. This program has also been used for analyzing the nature of grain size distribution. Simultaneously mechanical properties such as strength, dynamic elasticity modulus, determined from data for measuring resonance frequency and ultrasonic (US) velocity, are determined. The correlation between worsening property indices, US velocity, strength and heat resistance is studied in this work. The results obtained are used for a model predicting refractory specimen heat resistance. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Refractories and Industrial Ceramics Springer Journals

Method for determining refractory specimen heat resistance

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Publisher
Springer US
Copyright
Copyright © 2008 by Springer Science+Business Media, Inc.
Subject
Materials Science; Characterization and Evaluation of Materials; Materials Science, general; Ceramics, Glass, Composites, Natural Materials
ISSN
1083-4877
eISSN
1573-9139
D.O.I.
10.1007/s11148-008-9060-0
Publisher site
See Article on Publisher Site

Abstract

The most important properties governing the operation of refractories are refractoriness, service temperature and heat resistance. The heat resistance of specimens based on Al2O3 is determined by a standard laboratory procedure with cooling in water (JUS.B.D.8.319). In order to analyze possible worsening of specimen property indices before, during and after rapid water cooling a Pro Plus Program control system is used. This program has also been used for analyzing the nature of grain size distribution. Simultaneously mechanical properties such as strength, dynamic elasticity modulus, determined from data for measuring resonance frequency and ultrasonic (US) velocity, are determined. The correlation between worsening property indices, US velocity, strength and heat resistance is studied in this work. The results obtained are used for a model predicting refractory specimen heat resistance.

Journal

Refractories and Industrial CeramicsSpringer Journals

Published: Nov 21, 2008

References

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