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首页> 外文期刊>Ceramic Engineering and Science Proceedings >LONG-TERM TEMPERATURE GRADIENT STRESS RELAXATION TESTING AND MODELING OF CERAMIC INSULATION MATERIALS
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LONG-TERM TEMPERATURE GRADIENT STRESS RELAXATION TESTING AND MODELING OF CERAMIC INSULATION MATERIALS

机译：陶瓷绝缘材料的长期温度梯度应力松弛测试与建模

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摘要

Testing was carried out to characterize and predict the long-term thermomechanical properties of Thermal Ceramics Min-K 1400TE thermal insulation material, hereafter referred to as Min-K. In particular, the high temperature gradient stress relaxation behavior of Min-K up to 700℃ was evaluated under various thermal gradients and a helium atmosphere for test times of up to over two years. Additionally, finite element and mathematical models were formulated to predict the mechanical behavior exhibited by Min-K out to 50,000 hours based on this testing. This paper discusses the design and construction of unique test equipment to carry out this testing, along with the results of the testing and the subsequent modeling.
机译：进行测试以表征和预测Thermal Ceramics Min-K 1400TE保温材料（以下称为Min-K）的长期热机械性能。特别是，在各种热梯度和氦气气氛下，对长达700年以上的Min-K的高温梯度应力松弛行为进行了评估，测试时间长达两年。此外，基于此测试，制定了有限元和数学模型来预测Min-K在50,000小时内表现出的机械性能。本文讨论了用于执行此测试的独特测试设备的设计和构造，以及测试结果和后续建模。

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