Abstract
The mechanisms of the deformation and fracture of coated materials with varying coating thickness and coating-substrate interfacial curvature parameters are investigated. The boundary-value problem in the plane strain formulation is solved numerically, using the finite-difference method. In the calculations, an explicit account is taken of experimental and model microstructures with irregular and sinusoidal coating-substrate interface geometries, respectively. The stress concentration in the near-interface region is shown to increase with decrease in the coating thickness and increase in the sinusoidal interface amplitude. This dependence is nonlinear in character.
| Original language | English |
|---|---|
| Title of host publication | AIP Conference Proceedings |
| Publisher | American Institute of Physics Inc. |
| Pages | 43-46 |
| Number of pages | 4 |
| Volume | 1623 |
| ISBN (Print) | 9780735412606 |
| DOIs | |
| Publication status | Published - 2014 |
| Event | International Conference on Physical Mesomechanics of Multilevel Systems 2014 - Tomsk, Russian Federation Duration: 3 Sep 2014 → 5 Sep 2014 |
Other
| Other | International Conference on Physical Mesomechanics of Multilevel Systems 2014 |
|---|---|
| Country | Russian Federation |
| City | Tomsk |
| Period | 3.9.14 → 5.9.14 |
Keywords
- Coated and surface-hardened materials
- Composites
- Mechanics of inhomogeneous media
- Numerical simulation
ASJC Scopus subject areas
- Physics and Astronomy(all)
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Balokhonov, RR., Martynov, S. A., Romanova, V. A., & Zinoviev, A. V. (2014). A computational analysis of the interfacial curvature effect on the strength of a material with a modified surface layer. In AIP Conference Proceedings (Vol. 1623, pp. 43-46). American Institute of Physics Inc.. https://doi.org/10.1063/1.4898878