2025 ECerS - FIRE Summer School - Thorsten Tonnesen

Microstructural changes due to liquid and gas reactive transportation

Dr. Thorsten Tonnesen

RWTH Aachen University, Germany

Refractories are subjected to chemical degradation at high temperature caused by their environment, which can be significant, if not catastrophic. Corrosion is a complex matter, which will remain a recurrent topic, always to be considered.

So, understanding the corrosion of refractories is crucial to extend campaign lifetime.

The aim of this lecture for the ECerS FIRE Summer School is to provide participants with the conceptual and practical tools they need to understand and predict the thermochemical phenomena, thereby offering new possibilities of improving the operational performance of the refractories exposed to an increasingly harsh environment in industrial situations. In particular the industrial corrosion of refractories by hydrogen applied as a reduction agent and applied as a fuel in the steel-making and non-ferrous metallurgy are a focus.

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