Stages of multiscale fatigue cracking as a nonlinear rotational autowave process

Abstract

The mechanism involved in fatigue crack propagation in the surface layer of a flat specimen subjected to alternating bending is studied, using a multiscale approach adopted in physical mesomechanics. The incompatibility of channeled plastic shear strains in the surface layer with accommodation elastic strains in the substrate is shown to be responsible for fatigue crack propagation as a nonlinear rotational autowave process.

Original language	English
Pages (from-to)	112-123
Number of pages	12
Journal	Physical Mesomechanics
Volume	14
Issue number	3-4
DOIs	https://doi.org/10.1016/j.physme.2011.08.003
Publication status	Published - 2011

Keywords

Channeling
Fatigue fracture
Nonlinear autowave process
Rotational deformation modes
Surface layer

ASJC Scopus subject areas

Mechanics of Materials
Materials Science(all)
Condensed Matter Physics
Surfaces and Interfaces

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10.1016/j.physme.2011.08.003

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title = "Stages of multiscale fatigue cracking as a nonlinear rotational autowave process",

abstract = "The mechanism involved in fatigue crack propagation in the surface layer of a flat specimen subjected to alternating bending is studied, using a multiscale approach adopted in physical mesomechanics. The incompatibility of channeled plastic shear strains in the surface layer with accommodation elastic strains in the substrate is shown to be responsible for fatigue crack propagation as a nonlinear rotational autowave process.",

keywords = "Channeling, Fatigue fracture, Nonlinear autowave process, Rotational deformation modes, Surface layer",

author = "Panin, {V. E.} and Elsukova, {T. F.} and Popkova, {Yu F.}",

year = "2011",

doi = "10.1016/j.physme.2011.08.003",

language = "English",

volume = "14",

pages = "112--123",

journal = "Physical Mesomechanics",

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AU - Panin, V. E.

AU - Elsukova, T. F.

AU - Popkova, Yu F.

PY - 2011

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N2 - The mechanism involved in fatigue crack propagation in the surface layer of a flat specimen subjected to alternating bending is studied, using a multiscale approach adopted in physical mesomechanics. The incompatibility of channeled plastic shear strains in the surface layer with accommodation elastic strains in the substrate is shown to be responsible for fatigue crack propagation as a nonlinear rotational autowave process.

AB - The mechanism involved in fatigue crack propagation in the surface layer of a flat specimen subjected to alternating bending is studied, using a multiscale approach adopted in physical mesomechanics. The incompatibility of channeled plastic shear strains in the surface layer with accommodation elastic strains in the substrate is shown to be responsible for fatigue crack propagation as a nonlinear rotational autowave process.

KW - Channeling

KW - Fatigue fracture

KW - Nonlinear autowave process

KW - Rotational deformation modes

KW - Surface layer

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