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Abstract

Using a previously established non-stationary thermal model it is possible to calculate the distribution of temperature and thermal stresses in emf sensors based on stabilised ZrO₂ which are frequently applied for the measurement of oxygen activity in steel melts. The model may provide a basis for optimised construction of these sensors. The preheating behaviour is in the first step characterised for the sensor itself and in the second step for the complete one-reading measuring device.

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Modelling of temperature and stress profiles in oxygen sensors upon immersion into steel baths

Abstract

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