Destruction of thin films with damaged substrate as a result of waves localization

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Destruction of thin films with damaged substrate as a result of waves localization. / Abramian, Andrei; Vakulenko, Sergey; Indeitsev, Dmitri; Bessonov, Nicholas.

In: Acta Mechanica, Vol. 226, No. 2, 02.2015, p. 295-309.

Research output: Contribution to journal › Article › peer-review

BibTeX

@article{53d355bf8c85450b90f807a30df55b6f,

title = "Destruction of thin films with damaged substrate as a result of waves localization",

abstract = "The present paper is devoted to an issue of possible localization of waves propagating within a structure that consists of a film connected to a backing material by a substrate. The substrate is initially damaged. In the first approximation, the film model in the present paper is assumed to be a string on an elastic foundation with a coefficient depending on the substrate damage degree. The elastic foundation imitates the substrate and backing material effects on the film. Initiation of a string delamination resulted from the structure damaged at localized oscillations caused by impact loads has been considered. At loading, the initial damage of the substrate is changing in time and space according to the proposed law of the damage growth. It has been shown that at impact the cause of the string substrate material damage increase can be localized oscillation modes. The localized mode existence depends on the relation between initial substrate rigidity and main material rigidity. The impact energy is redistributed between propagating waves and localized waves in such a way that the latter make the main contribution to the growth of the material damage.",

author = "Andrei Abramian and Sergey Vakulenko and Dmitri Indeitsev and Nicholas Bessonov",

year = "2015",

month = feb,

doi = "10.1007/s00707-014-1183-4",

language = "English",

volume = "226",

pages = "295--309",

journal = "Acta Mechanica",

issn = "0001-5970",

publisher = "Springer Nature",

number = "2",

}

RIS

TY - JOUR

T1 - Destruction of thin films with damaged substrate as a result of waves localization

AU - Abramian, Andrei

AU - Vakulenko, Sergey

AU - Indeitsev, Dmitri

AU - Bessonov, Nicholas

PY - 2015/2

Y1 - 2015/2

N2 - The present paper is devoted to an issue of possible localization of waves propagating within a structure that consists of a film connected to a backing material by a substrate. The substrate is initially damaged. In the first approximation, the film model in the present paper is assumed to be a string on an elastic foundation with a coefficient depending on the substrate damage degree. The elastic foundation imitates the substrate and backing material effects on the film. Initiation of a string delamination resulted from the structure damaged at localized oscillations caused by impact loads has been considered. At loading, the initial damage of the substrate is changing in time and space according to the proposed law of the damage growth. It has been shown that at impact the cause of the string substrate material damage increase can be localized oscillation modes. The localized mode existence depends on the relation between initial substrate rigidity and main material rigidity. The impact energy is redistributed between propagating waves and localized waves in such a way that the latter make the main contribution to the growth of the material damage.

AB - The present paper is devoted to an issue of possible localization of waves propagating within a structure that consists of a film connected to a backing material by a substrate. The substrate is initially damaged. In the first approximation, the film model in the present paper is assumed to be a string on an elastic foundation with a coefficient depending on the substrate damage degree. The elastic foundation imitates the substrate and backing material effects on the film. Initiation of a string delamination resulted from the structure damaged at localized oscillations caused by impact loads has been considered. At loading, the initial damage of the substrate is changing in time and space according to the proposed law of the damage growth. It has been shown that at impact the cause of the string substrate material damage increase can be localized oscillation modes. The localized mode existence depends on the relation between initial substrate rigidity and main material rigidity. The impact energy is redistributed between propagating waves and localized waves in such a way that the latter make the main contribution to the growth of the material damage.

UR - http://www.scopus.com/inward/record.url?scp=84922835790&partnerID=8YFLogxK

U2 - 10.1007/s00707-014-1183-4

DO - 10.1007/s00707-014-1183-4

M3 - Article

AN - SCOPUS:84922835790

VL - 226

SP - 295

EP - 309

JO - Acta Mechanica

JF - Acta Mechanica

SN - 0001-5970

IS - 2

ER -

ID: 75070667