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STEADY-STATE CREEP OF METAL-CERAMIC MULTILAYERED MATERIALS

机译:金属陶瓷多层材料的稳态蠕变

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摘要

A general approach is presented for analyzing the steady-state creep response and its underlying mechanisms in metal-ceramic multilayers subjected to monotonic or cyclic variations in temperature. This approach combines the plate or beam theories of continuum mechanics with the mechanism-based classical constitutive equations for steady-state creep. The method is capable of predicting the evolution of overall curvature in the layered solid, the generation of thermal stresses within each layer, and the dominant deformation mechanisms at any through-thickness location of each layer at any instant of time or temperature for prescribed layer geometries, thermo-mechanical properties of the constituent layers, and the applied thermal history.
机译:提出了一种通用方法,用于分析温度变化为单调或周期性变化的金属陶瓷多层板的稳态蠕变响应及其潜在机理。这种方法将连续力学的板或梁理论与基于机制的稳态蠕变本构方程相结合。该方法能够预测层状固体中总曲率的演变,每一层内的热应力的产生以及在规定的层几何形状的任何时间或温度下,在任何时间或温度下每一层的任何贯穿厚度位置的主要变形机制。 ,组成层的热机械性能以及应用的热历史。

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