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首页> 外文期刊>Journal of thermal stresses >THERMAL-ELASTO-PASTIC ANALYSIS OF W-CU FUNCTIONALLY GRADED MATERIALS SUBJECTED TO A UNIFORM HEAT FLOW BY MICROMECHANICAL MODEL
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THERMAL-ELASTO-PASTIC ANALYSIS OF W-CU FUNCTIONALLY GRADED MATERIALS SUBJECTED TO A UNIFORM HEAT FLOW BY MICROMECHANICAL MODEL

机译：均匀热流作用下W-CU功能梯度材料的热弹塑性分析

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摘要

Thermonuclear fusion process implementation has many material problems and one of them is related to the removal of impurities from plasma. In the International Thermonuclear Exerimental Reactor (ITER), a divertor concept has been incorporated for this purpose. In this work, the development of a micromechanical model for functionally graded materials (FGMs) is presented and its application to thermalelasto-plastic analysis is discussed for the case of the W-Cu FGMs for the ITER divertor plates. The model allows the prediction of basic properties of the FGM and computations of thermlaw stresses; and, in some limites, it may be used for pre-design evaluation of strain/stress distributions and inelastic behavior. The model is found to be very useful at the first stages of graded materials design.
机译：热核聚变过程的实施存在许多物质问题，其中之一与从血浆中去除杂质有关。在国际热核实验反应堆（ITER）中，为此目的采用了分流器概念。在这项工作中，介绍了功能梯度材料（FGM）的微机械模型的开发，并讨论了ITER分流板W-Cu FGMs情况在热弹塑性分析中的应用。该模型可以预测FGM的基本特性并计算热定律应力。在某些限制下，它可用于变形/应力分布和非弹性行为的预设计评估。发现该模型在渐变材料设计的第一阶段非常有用。

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