Evaluation of interfacial stress transfer efficiency by coating fragmentation test

J. Andersons; Y. Leterrier; G. Tornare; P. Dumont; J. A.E. Månson

doi:10.1016/j.mechmat.2007.02.003

Evaluation of interfacial stress transfer efficiency by coating fragmentation test

J. Andersons^*
, Y. Leterrier
, G. Tornare
, P. Dumont
, J. A.E. Månson

^*Corresponding author for this work

Institute for Mechanics of Materials

Swiss Federal Institute of Technology Lausanne

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

57 Citations (Scopus)

Abstract

Probabilistic model of coating fragmentation under uniaxial tensile loading is developed. Analytical expressions of the crack spacing evolution are obtained for small-strain and large-strain fragmentation regimes. The model is applied for coating and interface property identification of several thin brittle coating/polymer substrate systems. An estimate of the stress transfer length, derived from the fragmentation data, is found to correlate with the interfacial shear strength thus suggesting that both parameters reflect an intrinsic property related to the mechanical efficiency of coating/substrate interface.

Original language	English
Pages (from-to)	834-844
Number of pages	11
Journal	Mechanics of Materials
Volume	39
Issue number	9
DOIs	https://doi.org/10.1016/j.mechmat.2007.02.003
Publication status	Published - Sept 2007

Keywords

Coating
Cohesive strength
Fragmentation test
Interfacial shear strength

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10.1016/j.mechmat.2007.02.003

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abstract = "Probabilistic model of coating fragmentation under uniaxial tensile loading is developed. Analytical expressions of the crack spacing evolution are obtained for small-strain and large-strain fragmentation regimes. The model is applied for coating and interface property identification of several thin brittle coating/polymer substrate systems. An estimate of the stress transfer length, derived from the fragmentation data, is found to correlate with the interfacial shear strength thus suggesting that both parameters reflect an intrinsic property related to the mechanical efficiency of coating/substrate interface.",

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AU - Andersons, J.

AU - Leterrier, Y.

AU - Tornare, G.

AU - Dumont, P.

AU - Månson, J. A.E.

PY - 2007/9

Y1 - 2007/9

N2 - Probabilistic model of coating fragmentation under uniaxial tensile loading is developed. Analytical expressions of the crack spacing evolution are obtained for small-strain and large-strain fragmentation regimes. The model is applied for coating and interface property identification of several thin brittle coating/polymer substrate systems. An estimate of the stress transfer length, derived from the fragmentation data, is found to correlate with the interfacial shear strength thus suggesting that both parameters reflect an intrinsic property related to the mechanical efficiency of coating/substrate interface.

AB - Probabilistic model of coating fragmentation under uniaxial tensile loading is developed. Analytical expressions of the crack spacing evolution are obtained for small-strain and large-strain fragmentation regimes. The model is applied for coating and interface property identification of several thin brittle coating/polymer substrate systems. An estimate of the stress transfer length, derived from the fragmentation data, is found to correlate with the interfacial shear strength thus suggesting that both parameters reflect an intrinsic property related to the mechanical efficiency of coating/substrate interface.

KW - Coating

KW - Cohesive strength

KW - Fragmentation test

KW - Interfacial shear strength

UR - https://www.scopus.com/pages/publications/34249296649

U2 - 10.1016/j.mechmat.2007.02.003

DO - 10.1016/j.mechmat.2007.02.003

M3 - Article

AN - SCOPUS:34249296649

SN - 0167-6636

VL - 39

SP - 834

EP - 844

JO - Mechanics of Materials

JF - Mechanics of Materials

IS - 9

ER -

Evaluation of interfacial stress transfer efficiency by coating fragmentation test

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Keywords

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