A Model of Temperature-Dependent Young's Modulus for Ultrahigh Temperature Ceramics

A Model of Temperature-Dependent Young's Modulus for Ultrahigh Temperature Ceramics

Based on the different sensitivities of material properties to temperature between ultrahigh temperature ceramics (UHTCs) and traditional ceramics, the original empirical formula of temperature-dependent Young's modulus of ceramic materials is unable to describe the temperature dependence of Yo...

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Veröffentlicht in:Physics research international 2011, Vol.2011 (2011), p.1-3
Hauptverfasser: Li, Weiguo, Wang, Ruzhuan, Li, Dingyu, Fang, Daining
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creator Li, Weiguo
Wang, Ruzhuan
Li, Dingyu
Fang, Daining
description Based on the different sensitivities of material properties to temperature between ultrahigh temperature ceramics (UHTCs) and traditional ceramics, the original empirical formula of temperature-dependent Young's modulus of ceramic materials is unable to describe the temperature dependence of Young's modulus of UHTCs which are used as thermal protection materials. In this paper, a characterization applied to Young's modulus of UHTC materials under high temperature which is revised from the original empirical formula is established. The applicable temperature range of the characterization extends to the higher temperature zone. This study will provide a basis for the characterization for strength and fracture toughness of UHTC materials and provide theoretical bases and technical reserves for the UHTC materials' design and application in the field of spacecraft.
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title A Model of Temperature-Dependent Young's Modulus for Ultrahigh Temperature Ceramics
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