Volume 7, Number 4 (Autumn 2010 2010)                   IJMSE 2010, 7(4): 35-41 | Back to browse issues page


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M. Farzalipour Tabriz, M. Ghassemi Kakroudi*. THERMO-MECHANICAL DESIGN OPTIMIZATION OF CORDIERITE–MULLITE BASED KILN FURNITURE. IJMSE. 2010; 7 (4) :35-41
URL: http://ijmse.iust.ac.ir/article-1-327-en.html

Abstract:   (5712 Views)
Abstract: Cordierite-Mullite based kiln furnitures are widely used in fast-firing of ceramic products because of their low thermal expansion which confer them a very good ability to thermal shock resistance. Difference in CTE of constituent phase can develop damage during thermal cycling due to internal stresses. Increase in industrial competitiveness leads to the development of new means for extending refractory life and increasing reliability of industrial tools so investigations regarding the structuralmechanical behaviour of refractory systems are becoming essential. In this paper, Thermo-mechanical design of commercial Cordierite-Mullite based kiln furniture was investigated by using finite element method (FEM) and possible solutions for improvement of working life have been considered. The results indicated that the change of the kiln furniture geometry can decrease the maximum thermomechanical stress in study conditions which can prolong the refractory service life. Obtained results indicate the existence of an optimal thickness for the section under maximum thermo-mechanical stress. Increasing filet radius of ring region from 3 to 9 mm decreases thermo-mechanical stress value from 113 to 93 MPa.
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