陶瓷燃气轮机部件热压过程中的温度场

2021 IEEE 8th International Workshop on Metrology for AeroSpace (MetroAeroSpace) Pub Date : 2021-06-23 DOI:10.1109/MetroAeroSpace51421.2021.9511672

V. Dutka, E. Gevorkyan, M. Rucki, Z. Siemiątkowski, D. Morozow, V. Chishkala

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引用次数: 0

摘要

本文分析了燃气轮机al2o3基部件的热真空压制工艺。采用有限元法对Al2O3-SiC粉末坯料安装过程中的温度场进行了计算机模拟。该模型考虑了安装元件和钢坯材料的热物理性质对温度的依赖性，以及接触区域的热阻和电阻。计算结果与室内温度测量结果的一致性证明了模型的可靠性。计算机实验结果表明，通过选择安装元件的材料，可以在烧结最后阶段获得均匀的样品温度场。这种方法可以显著降低整个烧结过程的能耗，并且可以达到较高的块状材料结构均匀性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Temperature Field During the Hot Pressing of Ceramic Gas Turbine Components

In the paper, the process of hot vacuum pressing of Al2O3-based components of gas turbines is analyzed. Computer simulation of the temperature field in the installation of powdered billet of Al2O3-SiC was preformed using the finite element method. The model took into account the temperature dependence of the thermophysical properties of the materials of the installation elements and billet, as well as the thermal and electrical resistances in the contact area. Concordance between the obtained results of calculations and laboratory measurements of temperature proved the reliability of the model. The results of computer experiments show that by selecting the materials of the installation elements, it is possible to obtain homogeneous temperature field in the sample at the final stage of the sintering process. This way the energy consumption of the entire sintering process can be significantly reduce, and higher structural homogeneity of bulk material can be reached.

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2021 IEEE 8th International Workshop on Metrology for AeroSpace (MetroAeroSpace)

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