Modeling of Fatigue Wear of Viscoelastic Coatings

A new model for studying the kinetics of fatigue wear of a viscoelastic coating bonded to a rigid substrate is proposed. The fatigue mechanism is due to the cyclic interaction of the coating with a rough counterbody, which is modeled by a periodic system of smooth indenters. The study includes the s...

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Autores principales:	Fedor I. Stepanov, Elena V. Torskaya
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	contact problem sliding viscoelasticity coating damage fatigue wear Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
Acceso en línea:	https://doaj.org/article/d727c086fc394eceafa8be12f8a80840
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spelling	oai:doaj.org-article:d727c086fc394eceafa8be12f8a808402021-11-11T18:04:58ZModeling of Fatigue Wear of Viscoelastic Coatings10.3390/ma142165131996-1944https://doaj.org/article/d727c086fc394eceafa8be12f8a808402021-10-01T00:00:00Zhttps://www.mdpi.com/1996-1944/14/21/6513https://doaj.org/toc/1996-1944A new model for studying the kinetics of fatigue wear of a viscoelastic coating bonded to a rigid substrate is proposed. The fatigue mechanism is due to the cyclic interaction of the coating with a rough counterbody, which is modeled by a periodic system of smooth indenters. The study includes the solution of the problem of sliding contact of the indenter at a constant velocity along the viscoelastic coating, the calculation of stresses taking into account the mutual effect, and study of the process of damage accumulation in the material. The calculation of the damage function of the surface layer was carried out using the reduced stress criterion. Assuming the possibility of summation of accumulated damage, two processes were considered: delamination of surface layers of the coating and continuous fracture of the surface by the fatigue mechanism. The effect of the sliding velocity and viscoelastic properties of the material on the damage accumulation and the coating wear rate was analyzed. Two types of load, constant and stochastically varying, were used in modeling and analysis. It was found that the rate of fatigue wear of the coating increased and then became constant.Fedor I. StepanovElena V. TorskayaMDPI AGarticlecontact problemslidingviscoelasticitycoatingdamagefatigue wearTechnologyTElectrical engineering. Electronics. Nuclear engineeringTK1-9971Engineering (General). Civil engineering (General)TA1-2040MicroscopyQH201-278.5Descriptive and experimental mechanicsQC120-168.85ENMaterials, Vol 14, Iss 6513, p 6513 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	contact problem sliding viscoelasticity coating damage fatigue wear Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
spellingShingle	contact problem sliding viscoelasticity coating damage fatigue wear Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85 Fedor I. Stepanov Elena V. Torskaya Modeling of Fatigue Wear of Viscoelastic Coatings
description	A new model for studying the kinetics of fatigue wear of a viscoelastic coating bonded to a rigid substrate is proposed. The fatigue mechanism is due to the cyclic interaction of the coating with a rough counterbody, which is modeled by a periodic system of smooth indenters. The study includes the solution of the problem of sliding contact of the indenter at a constant velocity along the viscoelastic coating, the calculation of stresses taking into account the mutual effect, and study of the process of damage accumulation in the material. The calculation of the damage function of the surface layer was carried out using the reduced stress criterion. Assuming the possibility of summation of accumulated damage, two processes were considered: delamination of surface layers of the coating and continuous fracture of the surface by the fatigue mechanism. The effect of the sliding velocity and viscoelastic properties of the material on the damage accumulation and the coating wear rate was analyzed. Two types of load, constant and stochastically varying, were used in modeling and analysis. It was found that the rate of fatigue wear of the coating increased and then became constant.
format	article
author	Fedor I. Stepanov Elena V. Torskaya
author_facet	Fedor I. Stepanov Elena V. Torskaya
author_sort	Fedor I. Stepanov
title	Modeling of Fatigue Wear of Viscoelastic Coatings
title_short	Modeling of Fatigue Wear of Viscoelastic Coatings
title_full	Modeling of Fatigue Wear of Viscoelastic Coatings
title_fullStr	Modeling of Fatigue Wear of Viscoelastic Coatings
title_full_unstemmed	Modeling of Fatigue Wear of Viscoelastic Coatings
title_sort	modeling of fatigue wear of viscoelastic coatings
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/d727c086fc394eceafa8be12f8a80840
work_keys_str_mv	AT fedoristepanov modelingoffatiguewearofviscoelasticcoatings AT elenavtorskaya modelingoffatiguewearofviscoelasticcoatings
_version_	1718431971939450880

Modeling of Fatigue Wear of Viscoelastic Coatings

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