On the estimation of strength properties of porous ceramic coatings

Ig S. Konovalenko, Andrew I. Dmitriev, A. Yu Smolin, S. G. Psakhie

Division for Materials Science

Research output: Contribution to journal › Article

Abstract

A method for estimating the strength properties of a porous ceramic coating was proposed. The method is based on the analysis of preliminary test results on indentation of coatings with defects of varying size and depth of occurrence. The strength properties of the coating were studied by computer simulation combining the discrete description (the movable cellular automata method) and continuous description (the finite difference method). Relationships were found between the parameters of a pore such as its length and depth of occurrence in the coating and the critical stress corresponding to fracture of the coating. The proposed method can be used to study the strength properties of material surface layers and to predict the critical stress in a contact region.

Original language	English
Pages (from-to)	88-93
Number of pages	6
Journal	Physical Mesomechanics
Volume	15
Issue number	1-2
DOIs	https://doi.org/10.1134/S1029959912010092
Publication status	Published - 2012

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Keywords

movable cellular automata method
numerical simulation
porous ceramic coating
strength properties of coatings

ASJC Scopus subject areas

Mechanics of Materials
Materials Science(all)
Condensed Matter Physics
Surfaces and Interfaces

Cite this

Konovalenko, I. S., Dmitriev, A. I., Smolin, A. Y., & Psakhie, S. G. (2012). On the estimation of strength properties of porous ceramic coatings. Physical Mesomechanics, 15(1-2), 88-93. https://doi.org/10.1134/S1029959912010092

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10.1134/S1029959912010092