Development and application of finite element methods in research field of thermal barrier coatings

被引：0
作者：
Liu, Yankuan [1 ]
Wang, Yuansheng [1 ]
Wang, Lulu [2 ,3 ]
机构：
[1] Tianjin Key Laboratory of Civil Aircraft Airworthiness and Maintenance, College of Aeronautical Engineering, Civil Aviation University of China, Tianjin
[2] College of Materials Science and Engineering, Shenyang University of Technology, Shenyang
[3] Shenyang Maintenance Base, China Southern Airlines, Shenyang
来源：
Hangkong Dongli Xuebao/Journal of Aerospace Power | 2024年 / 39卷 / 10期
关键词：
finite element; lifetime prediction; stress distribution; temperature distribution; TGO growth behavior; thermal barrier coatings;
D O I：
10.13224/j.cnki.jasp.20220762
中图分类号：
学科分类号：
摘要：
Three major aspects, including thermally grown oxides (TGO) growth behavior and stress-strain, overall thermomechanical properties of thermal barrier coatings (TBC), structural optimization and life prediction of TBC, were reviewed. The development and application of finite element method in these researches in recent years were analyzed, then the problems and limitations in current researches were summarized. At present, the research directions mainly focus on the combination of failure theory, multiphysics coupling and Python subroutines with complex physical models to obtain more accurate finite element analysis results. However, due to many problems such as irregular morphology of TGO, insufficient physical parameters of materials under high temperature conditions, and random distribution of microscopic pores in ceramic layers, there is still a gap between the calculated and actual results. In the future, more in-depth research can be carried out from the aspects of physical model fineness, interlayer boundary conditions and dynamic growth simulation, etc. © 2024 Beijing University of Aeronautics and Astronautics (BUAA). All rights reserved.
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