The influence of the mechanical properties of a steel substrate on the macroscopic strength of a coated material

Abstract

The stress-strain localization and fracture in a steel substrate - porous ceramic coating microstructure subjected to compression - is investigated numerically. The effects of the substrate grain size and coating-substrate interface geometry on the mechanical behavior of the coated material are discussed. The elongation of the microstructure for which the first crack is initiated in the coating (crack initiation strain) is shown to increase exponentially with an increase in the substrate grain size. The location of the first crack in the coating is found to vary with the substrate grain size. The strength properties of the composite material are found to be unaffected by a serrated coating-substrate interface.

Original language	English
Title of host publication	Mechanics, Resource and Diagnostics of Materials and Structures, MRDMS 2016
Subtitle of host publication	Proceedings of the 10th International Conference on Mechanics, Resource and Diagnostics of Materials and Structures
Publisher	American Institute of Physics Inc.
Volume	1785
ISBN (Electronic)	9780735414471
DOIs	https://doi.org/10.1063/1.4967059
Publication status	Published - 18 Nov 2016
Event	10th International Conference on Mechanics, Resource and Diagnostics of Materials and Structures, MRDMS 2016 - Ekaterinburg, Russian Federation Duration: 16 May 2016 → 20 May 2016

Conference

Conference	10th International Conference on Mechanics, Resource and Diagnostics of Materials and Structures, MRDMS 2016
Country	Russian Federation
City	Ekaterinburg
Period	16.5.16 → 20.5.16

ASJC Scopus subject areas

Physics and Astronomy(all)

Access to Document

10.1063/1.4967059

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Balokhonov, R., Zinoviev, A., Romanova, V., Martynov, S., & Zinovieva, O. (2016). The influence of the mechanical properties of a steel substrate on the macroscopic strength of a coated material. In Mechanics, Resource and Diagnostics of Materials and Structures, MRDMS 2016: Proceedings of the 10th International Conference on Mechanics, Resource and Diagnostics of Materials and Structures (Vol. 1785). [040002] American Institute of Physics Inc.. https://doi.org/10.1063/1.4967059

The influence of the mechanical properties of a steel substrate on the macroscopic strength of a coated material. / Balokhonov, R.; Zinoviev, A.; Romanova, V.; Martynov, S.; Zinovieva, O.

Mechanics, Resource and Diagnostics of Materials and Structures, MRDMS 2016: Proceedings of the 10th International Conference on Mechanics, Resource and Diagnostics of Materials and Structures. Vol. 1785 American Institute of Physics Inc., 2016. 040002.

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

Balokhonov, R, Zinoviev, A, Romanova, V, Martynov, S & Zinovieva, O 2016, The influence of the mechanical properties of a steel substrate on the macroscopic strength of a coated material. in Mechanics, Resource and Diagnostics of Materials and Structures, MRDMS 2016: Proceedings of the 10th International Conference on Mechanics, Resource and Diagnostics of Materials and Structures. vol. 1785, 040002, American Institute of Physics Inc., 10th International Conference on Mechanics, Resource and Diagnostics of Materials and Structures, MRDMS 2016, Ekaterinburg, Russian Federation, 16.5.16. https://doi.org/10.1063/1.4967059

Balokhonov R, Zinoviev A, Romanova V, Martynov S, Zinovieva O. The influence of the mechanical properties of a steel substrate on the macroscopic strength of a coated material. In Mechanics, Resource and Diagnostics of Materials and Structures, MRDMS 2016: Proceedings of the 10th International Conference on Mechanics, Resource and Diagnostics of Materials and Structures. Vol. 1785. American Institute of Physics Inc. 2016. 040002 https://doi.org/10.1063/1.4967059

Balokhonov, R. ; Zinoviev, A. ; Romanova, V. ; Martynov, S. ; Zinovieva, O. / The influence of the mechanical properties of a steel substrate on the macroscopic strength of a coated material. Mechanics, Resource and Diagnostics of Materials and Structures, MRDMS 2016: Proceedings of the 10th International Conference on Mechanics, Resource and Diagnostics of Materials and Structures. Vol. 1785 American Institute of Physics Inc., 2016.

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AB - The stress-strain localization and fracture in a steel substrate - porous ceramic coating microstructure subjected to compression - is investigated numerically. The effects of the substrate grain size and coating-substrate interface geometry on the mechanical behavior of the coated material are discussed. The elongation of the microstructure for which the first crack is initiated in the coating (crack initiation strain) is shown to increase exponentially with an increase in the substrate grain size. The location of the first crack in the coating is found to vary with the substrate grain size. The strength properties of the composite material are found to be unaffected by a serrated coating-substrate interface.

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