On the estimation of strength properties of porous ceramic coatings

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

Research output: Contribution to journalArticle

6 Citations (Scopus)

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 languageEnglish
Pages (from-to)88-93
Number of pages6
JournalPhysical Mesomechanics
Volume15
Issue number1-2
DOIs
Publication statusPublished - 2012

Fingerprint

ceramic coatings
Ceramic coatings
coatings
Coatings
critical loading
occurrences
cellular automata
Cellular automata
indentation
Indentation
Finite difference method
surface layers
estimating
computerized simulation
porosity
Defects
defects
Computer simulation

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

On the estimation of strength properties of porous ceramic coatings. / Konovalenko, Ig S.; Dmitriev, Andrew I.; Smolin, A. Yu; Psakhie, S. G.

In: Physical Mesomechanics, Vol. 15, No. 1-2, 2012, p. 88-93.

Research output: Contribution to journalArticle

Konovalenko, Ig S. ; Dmitriev, Andrew I. ; Smolin, A. Yu ; Psakhie, S. G. / On the estimation of strength properties of porous ceramic coatings. In: Physical Mesomechanics. 2012 ; Vol. 15, No. 1-2. pp. 88-93.
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