A numerical simulation of the deformation and fracture of a material with a porous polysilazane coating

Abstract

A numerical analysis of the deformation and fracture mechanisms involved in a material with a porous ceramic coating under tension and compression is presented. The dynamic boundary-value problem in the plane strain formulation is solved numerically by the finite difference method. To take an explicit account of the substrate-coating interface and porous coating microstructure in the calculations, a curvilinear mesh generation algorithm based on the solution according to elasticity theory has been developed. A two-dimensional curvilinear mesh generated in this work was used to simulate the uniaxial loading of a material with a porous coating. The fundamental difference between the fracture mechanisms operating in the coated material in the cases of tension and compression was found to be related with the formation of local regions experiencing bulk tension in both cases.

Original language	English
Title of host publication	AIP Conference Proceedings
Publisher	American Institute of Physics Inc.
Pages	51-54
Number of pages	4
Volume	1623
ISBN (Electronic)	9780735412606
DOIs	https://doi.org/10.1063/1.4898880
Publication status	Published - 1 Jan 2014
Event	International Conference on Physical Mesomechanics of Multilevel Systems 2014 - Tomsk, Russian Federation Duration: 3 Sep 2014 → 5 Sep 2014

Conference

Conference	International Conference on Physical Mesomechanics of Multilevel Systems 2014
Country	Russian Federation
City	Tomsk
Period	3.9.14 → 5.9.14

Keywords

Curvilinear mesh
Fracture
Numerical simulation
Plasticity
Porous ceramic coatings

ASJC Scopus subject areas

Physics and Astronomy(all)

Access to Document

10.1063/1.4898880

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A numerical simulation of the deformation and fracture of a material with a porous polysilazane coating. / Balokhonov, Ruslan Revovich; Zinoviev, Aleksandr V.; Romanova, Varvara A.; Martynov, Sergei A.

AIP Conference Proceedings. Vol. 1623 American Institute of Physics Inc., 2014. p. 51-54.

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

Balokhonov, RR, Zinoviev, AV, Romanova, VA & Martynov, SA 2014, A numerical simulation of the deformation and fracture of a material with a porous polysilazane coating. in AIP Conference Proceedings. vol. 1623, American Institute of Physics Inc., pp. 51-54, International Conference on Physical Mesomechanics of Multilevel Systems 2014, Tomsk, Russian Federation, 3.9.14. https://doi.org/10.1063/1.4898880

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keywords = "Curvilinear mesh, Fracture, Numerical simulation, Plasticity, Porous ceramic coatings",

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AU - Martynov, Sergei A.

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N2 - A numerical analysis of the deformation and fracture mechanisms involved in a material with a porous ceramic coating under tension and compression is presented. The dynamic boundary-value problem in the plane strain formulation is solved numerically by the finite difference method. To take an explicit account of the substrate-coating interface and porous coating microstructure in the calculations, a curvilinear mesh generation algorithm based on the solution according to elasticity theory has been developed. A two-dimensional curvilinear mesh generated in this work was used to simulate the uniaxial loading of a material with a porous coating. The fundamental difference between the fracture mechanisms operating in the coated material in the cases of tension and compression was found to be related with the formation of local regions experiencing bulk tension in both cases.

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