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Combined Crack Initiation and Crack Growth Model for Multi-Layer Polymer Materials
The current publication deals with the fracture toughness of polymeric multi-layer materials. In detail, the crack initiation and growth, crack arrest, and crack re-initiation of a multi-layer material are examined. The aim is to develop a numerical model for crack initiation and incremental crack g...
Autores principales: | , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
MDPI
2022
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9100980/ https://www.ncbi.nlm.nih.gov/pubmed/35591607 http://dx.doi.org/10.3390/ma15093273 |
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author | Pletz, Martin Arbeiter, Florian Josef |
author_facet | Pletz, Martin Arbeiter, Florian Josef |
author_sort | Pletz, Martin |
collection | PubMed |
description | The current publication deals with the fracture toughness of polymeric multi-layer materials. In detail, the crack initiation and growth, crack arrest, and crack re-initiation of a multi-layer material are examined. The aim is to develop a numerical model for crack initiation and incremental crack growth of a three-layer single edge notched bending specimen that features one brittle layer in a plastically deforming matrix. Crack initiation and crack propagation are modeled using the finite fracture mechanics concept and the energy concept, respectively. No delamination is accounted for and the crack grows in one plane. The experimental observation of a crack initiating in the brittle layer (at 61.4 ± 2.2 N) while the initial crack is blunting can be reproduced well with the numerical model (at 63.6 N) with a difference of <3.6%. The model is ready to be used for different layups to predict toughening mechanisms and damage tolerances in multi-layer materials. |
format | Online Article Text |
id | pubmed-9100980 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2022 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
spelling | pubmed-91009802022-05-14 Combined Crack Initiation and Crack Growth Model for Multi-Layer Polymer Materials Pletz, Martin Arbeiter, Florian Josef Materials (Basel) Article The current publication deals with the fracture toughness of polymeric multi-layer materials. In detail, the crack initiation and growth, crack arrest, and crack re-initiation of a multi-layer material are examined. The aim is to develop a numerical model for crack initiation and incremental crack growth of a three-layer single edge notched bending specimen that features one brittle layer in a plastically deforming matrix. Crack initiation and crack propagation are modeled using the finite fracture mechanics concept and the energy concept, respectively. No delamination is accounted for and the crack grows in one plane. The experimental observation of a crack initiating in the brittle layer (at 61.4 ± 2.2 N) while the initial crack is blunting can be reproduced well with the numerical model (at 63.6 N) with a difference of <3.6%. The model is ready to be used for different layups to predict toughening mechanisms and damage tolerances in multi-layer materials. MDPI 2022-05-03 /pmc/articles/PMC9100980/ /pubmed/35591607 http://dx.doi.org/10.3390/ma15093273 Text en © 2022 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). |
spellingShingle | Article Pletz, Martin Arbeiter, Florian Josef Combined Crack Initiation and Crack Growth Model for Multi-Layer Polymer Materials |
title | Combined Crack Initiation and Crack Growth Model for Multi-Layer Polymer Materials |
title_full | Combined Crack Initiation and Crack Growth Model for Multi-Layer Polymer Materials |
title_fullStr | Combined Crack Initiation and Crack Growth Model for Multi-Layer Polymer Materials |
title_full_unstemmed | Combined Crack Initiation and Crack Growth Model for Multi-Layer Polymer Materials |
title_short | Combined Crack Initiation and Crack Growth Model for Multi-Layer Polymer Materials |
title_sort | combined crack initiation and crack growth model for multi-layer polymer materials |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9100980/ https://www.ncbi.nlm.nih.gov/pubmed/35591607 http://dx.doi.org/10.3390/ma15093273 |
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