A computational analysis of the interfacial curvature effect on the strength of a material with a modified surface layer

Ruslan Revovich Balokhonov, Sergei A. Martynov, Varvara A. Romanova, Aleksandr V. Zinoviev

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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	https://doi.org/10.1063/1.4898878
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

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Keywords

Coated and surface-hardened materials
Composites
Mechanics of inhomogeneous media
Numerical simulation

ASJC Scopus subject areas

Physics and Astronomy(all)

Cite this

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

A computational analysis of the interfacial curvature effect on the strength of a material with a modified surface layer. / Balokhonov, Ruslan Revovich; Martynov, Sergei A.; Romanova, Varvara A.; Zinoviev, Aleksandr V.

AIP Conference Proceedings. Vol. 1623 American Institute of Physics Inc., 2014. p. 43-46.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Balokhonov, RR, Martynov, SA, Romanova, VA & Zinoviev, AV 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, American Institute of Physics Inc., pp. 43-46, International Conference on Physical Mesomechanics of Multilevel Systems 2014, Tomsk, Russian Federation, 3.9.14. https://doi.org/10.1063/1.4898878

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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.",

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AU - Zinoviev, Aleksandr V.

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AB - 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.

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KW - Composites

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KW - Numerical simulation

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Access to Document

10.1063/1.4898878