Comparison of Thermal Fatigue Behaviour of Silica and Alumina for Induction Furnace Wall

Mechanical Engineering

Furnaces are most commonly used for melting of ferrous metals and its alloy materials. Induction furnaces use electrical power so that they are more advantageous as no fuel is required. It is a very critical problem to find life span of induction melting furnace wall under thermal fatigue conditions. The life cycle of induction furnace refractory wall is a variable as minor variation is always present due to effect of skill of workers and many other factors. The heating cooling cycle of induction furnace wall will result in increasing and decreasing thermal stresses. The thermal fatigue behaviour of induction furnace wall is compared in this paper for silica ramming mass and alumina ramming mass. We have used two different methods including experimental investigation and numerical analysis.

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