Statistical model of coating fragmentation under equibiaxial load

J. Andersons; Y. Leterrier; R. Joffe

doi:10.1080/10426919808935280

Statistical model of coating fragmentation under equibiaxial load

J. Andersons^*
, Y. Leterrier
, R. Joffe

^*Corresponding author for this work

Institute for Mechanics of Materials

Swiss Federal Institute of Technology Lausanne
University of Latvia

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

5 Citations (Scopus)

Abstract

A statistical model of coating cracking under equibiaxial tension is proposed based on a Weibull strength distribution for the coating. Crack length and spacing distributions are derived assuming that cracks initiate in random locations and propagate straight till stopping upon encountering a geometrical obstacle (another crack). The theoretical distributions are verified by comparing with simulated cracking patterns obtained by the Monte-Carlo method. An analysis of crack patterns of SiO_x coatings on a PET film under biaxial tension is performed. Qualitative agreement with the theoretical crack spacing distribution is observed.

Original language	English
Pages (from-to)	597-602
Number of pages	6
Journal	Materials and Manufacturing Processes
Volume	13
Issue number	4
DOIs	https://doi.org/10.1080/10426919808935280
Publication status	Published - 1998

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10.1080/10426919808935280

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abstract = "A statistical model of coating cracking under equibiaxial tension is proposed based on a Weibull strength distribution for the coating. Crack length and spacing distributions are derived assuming that cracks initiate in random locations and propagate straight till stopping upon encountering a geometrical obstacle (another crack). The theoretical distributions are verified by comparing with simulated cracking patterns obtained by the Monte-Carlo method. An analysis of crack patterns of SiOx coatings on a PET film under biaxial tension is performed. Qualitative agreement with the theoretical crack spacing distribution is observed.",

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AU - Leterrier, Y.

AU - Joffe, R.

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N2 - A statistical model of coating cracking under equibiaxial tension is proposed based on a Weibull strength distribution for the coating. Crack length and spacing distributions are derived assuming that cracks initiate in random locations and propagate straight till stopping upon encountering a geometrical obstacle (another crack). The theoretical distributions are verified by comparing with simulated cracking patterns obtained by the Monte-Carlo method. An analysis of crack patterns of SiOx coatings on a PET film under biaxial tension is performed. Qualitative agreement with the theoretical crack spacing distribution is observed.

AB - A statistical model of coating cracking under equibiaxial tension is proposed based on a Weibull strength distribution for the coating. Crack length and spacing distributions are derived assuming that cracks initiate in random locations and propagate straight till stopping upon encountering a geometrical obstacle (another crack). The theoretical distributions are verified by comparing with simulated cracking patterns obtained by the Monte-Carlo method. An analysis of crack patterns of SiOx coatings on a PET film under biaxial tension is performed. Qualitative agreement with the theoretical crack spacing distribution is observed.

UR - https://www.scopus.com/pages/publications/0032114973

U2 - 10.1080/10426919808935280

DO - 10.1080/10426919808935280

M3 - Article

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VL - 13

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JO - Materials and Manufacturing Processes

JF - Materials and Manufacturing Processes

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ER -

Statistical model of coating fragmentation under equibiaxial load

Abstract

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