The purpose of this investigation is to demonstrate that resistance of ceramic and ceramal materials to thermal can he determined by analyzing the nonsteady stresses in the material. First the nonuniform distribution is computed by using the heat equation. This temperature distribution is used to compute the thermal stress. The material which enter into the calculations are the of thermal conduction and of thermal expansion, ultimate strength, Young's modulus, and Poisson's of the material. These quantities together the heating conditions then specify the resistance to shock. The theory is verified by comparing the with NACA test data.
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Chaojun Cheng (1951) studied this question.