Fracture of functionally graded thermal barrier coating on a homogeneous substrate: models, methods, analysis

Fracture of functionally graded thermal barrier coating on a homogeneous substrate: models, methods, analysis
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均质基材上功能梯度热障涂层的断裂:模型、方法、分析

DOI:
10.1088/1742-6596/973/1/012017
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发表时间:
2018
期刊:
Journal of Physics: Conference Series
影响因子:
--
通讯作者:
S. Schmauder
S. Schmauder
中科院分区:
--
文献类型:
--
作者:
V. Petrova;S. Schmauder

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研究了均匀半无限大基体上功能梯度热障涂层(FGC/H)在热载荷作用下的断裂问题。从边界条件和假设的制定以及随后的积分方程出发,提出了一种具有预先存在的裂纹系统的FGC/H的数学模型。文中介绍了求解该问题的方法,并对裂纹排列的一些特殊情况进行了论证。分析了FGC的几何参数(涂层厚度和多裂纹的位置和方向)和非均匀性参数对材料主要断裂特征的影响。该研究可用于提高FGC/H体系的抗热裂性能。
Fracture of functionally graded thermal barrier coatings on a homogeneous semi-infinite substrate (FGC/H) is studied under the influence of thermal loadings. A mathematical model for the FGC/H with pre-existing systems of cracks is presented in point of view of the formulation of the boundary conditions and assumptions, and afterwards the integral equations. Methods for solving the problem are described, and then demonstrated for some special cases of the arrangement of cracks. The effect of geometry (the thickness of the coating and location–orientation of multiple cracks) and inhomogeneity parameters of FGCs on the main fracture characteristics of the material is analyzed. The study can be used to improve the thermal fracture resistance of FGC/H systems.
DOI: 10.1134/s1029959917030018
发表时间: 2017-09
影响因子: 1.6
作者:
V. Petrova;V. Petrova;S. Schmauder
通讯作者: V. Petrova;V. Petrova;S. Schmauder
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DOI: --
发表时间: 2004
期刊:
影响因子: --
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DOI: 10.1002/zamm.201400294
发表时间: 2015
期刊: ZAMM ‐ Journal of Applied Mathematics and Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik
影响因子: --
作者:
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通讯作者: S. Schmauder
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