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Expansion coefficient of electrofused zirconium corundum bricks
Time：
Aug 21,2024
Electrofused zirconia corundum bricks are a kind of high temperature refractory material, mainly composed of zirconia and alumina, with excellent high temperature resistance and corrosion resistance. In a high temperature environment, the thermal expansion coefficient of the material is an important performance parameter, which determines the thermal stability and application range of the material under high temperature conditions.
The coefficient of expansion of fused zirconia corundum bricks is usually expressed as the linear coefficient of thermal expansion (α) in °C-1. The linear coefficient of thermal expansion expresses the ratio of the change in length per unit change in temperature to the original length of the material. For electrofused zirconium corundum bricks, the linear coefficient of thermal expansion is generally in the range of 5-8 x 10-6 °C-1.
Specifically, electrofused zirconium corundum bricks will be affected by thermal expansion at high temperatures, and changes in length, width and thickness will occur when subjected to heat. And the linear coefficient of thermal expansion can help us to predict the deformation of the material under high temperature conditions, which helps to design and select the appropriate material.
In practical applications, understanding the coefficient of expansion of electrofused zirconia corundum bricks is crucial for engineering design and material selection. Reasonable selection of the linear thermal expansion coefficient of the material can reduce the stress concentration and deformation of the material under high temperature conditions, and improve the service life and performance stability of the material.
In conclusion, the coefficient of expansion of electrofused zirconia corundum bricks is an important material performance parameter, which plays a crucial role in the application performance of the material in high temperature environment. By understanding and controlling the expansion coefficient of the material, the material can be better designed and selected to ensure the stability and reliability of the material's performance under high temperature conditions.
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