Temperature Field During the Hot Pressing of Ceramic Gas Turbine Components

被引：0

作者：

Dutka, Vasily ^{[1
]}

Gevorkyan, Edwin ^{[2
]}

Rucki, Miroslaw ^{[3
]}

Siemiatkowski, Zbigniew ^{[3
]}

Morozow, Dmitrij ^{[3
]}

Chishkala, Vladimir ^{[4
]}

机构：

[1] Ukraine Natl Acad Sci, Inst Superhard Mat, Kiev, Ukraine

[2] Ukrainian State Univ Railway Transport, Kharkiv, Ukraine

[3] Kazimierz Pulaski Univ Technol & Humanities Radom, Radom, Poland

[4] Kharkov Natl Univ, Kharkiv, Ukraine

来源：

2021 IEEE 8TH INTERNATIONAL WORKSHOP ON METROLOGY FOR AEROSPACE (IEEE METROAEROSPACE) | 2021年

关键词：

sintering; modeling; temperature field; hot vacuum pressing; aluminum oxide;

D O I：

10.1109/METROAEROSPACE51421.2021.9511672

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

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.

引用

页码：340 / 343

页数：4

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