uses of silicon nitride ceramic tube for thermocouple
US4796671A - Protective tube for thermocouple and . A protective tube for a thermocouple for measuring the temperature of molten metal, comprising two layers, an inner layer being made of a silicon nitride or sialon ceramic having a bending strength of 50 kg/mm 2 or more, a density of 90% or more based on a theoretical density and a thermal shock temperature ΔT of 400° C. or more, and an ...
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