A Creep Equation Based on Thermal Activation

Jiyue Sun, Guoliang Chen

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    Jiyue Sun, and Guoliang Chen, A Creep Equation Based on Thermal Activation, J. Univ. Sci. Technol. Beijing , 5(1998), No. 1, pp.44-46.
    Jiyue Sun, and Guoliang Chen, A Creep Equation Based on Thermal Activation, J. Univ. Sci. Technol. Beijing , 5(1998), No. 1, pp.44-46.
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    A Creep Equation Based on Thermal Activation

    • State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing, Beijing 100083, China

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    中文摘要

    The creep equation proposed in so called θ projection concept is developed in the concept of thermal activation of creep. The measured creep curves of A286 alloy are fitted by the equation. The activation energy in the equation is evaluated, and creep rupture lives are predicted. The results are confirmed by creep tests of up to 13 years.

     

    Materials

    A Creep Equation Based on Thermal Activation

    Author Affilications

      • State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing, Beijing 100083, China

    • Received: 24 November 1997;
    The creep equation proposed in so called θ projection concept is developed in the concept of thermal activation of creep. The measured creep curves of A286 alloy are fitted by the equation. The activation energy in the equation is evaluated, and creep rupture lives are predicted. The results are confirmed by creep tests of up to 13 years.

     

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