The Use of the Method of Heated Wire for the Determination of Thermal Properties of Heat-Shielding Ceramic Coverages

摘要

Two experimental sets (the frequency of out-of-balance signal recording 25 and 1000 Hz, respectively) for studying thermal properties of the materials by the method of heated probe are developed. The data on thermoconductivity of thin ceramic coverages are presented. The effect of deficiency in the thermal contact between the wire probe and the sample is studied. A method for measuring thermal properties of the coverage using a flat probe (deposited film or uniformly forced foil) is proposed. The theory and potentialities of the method are cosidered.