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Moisture absorption effects on mode II delamination of carbon/epoxy composites

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F46747885%3A24620%2F20%3A00007869" target="_blank" >RIV/46747885:24620/20:00007869 - isvavai.cz</a>

  • Result on the web

    <a href="https://www.mdpi.com/2073-4360/12/9/2162" target="_blank" >https://www.mdpi.com/2073-4360/12/9/2162</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.3390/polym12092162" target="_blank" >10.3390/polym12092162</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Moisture absorption effects on mode II delamination of carbon/epoxy composites

  • Original language description

    It is necessary to consider the influence of moisture damage on the interlaminar fracture toughness for composite structures that are used for outdoor applications. However, the studies on the progressive variation of the fracture toughness as a function of moisture content M (%) is rather limited. In this regard, this study focuses on the characterization of mode II delamination of carbon/epoxy composites conditioned at 70 °C/85% relative humidity (RH). End-notched flexure test is conducted for specimens aged at various moisture absorption levels. Experimental results reveal that mode II fracture toughness degrades with the moisture content, with a maximum of 23% decrement. A residual property model is used to predict the variation of the fracture toughness with the moisture content. Through numerical simulations, it is found that the approaches used to estimate the lamina and cohesive properties are suitable to obtain reliable simulation results. In addition, the damage initiation is noticed during the early loading stage; however, the complete damage is only observed when the numerical peak load is achieved. Results from the present research could serve as guidelines to predict the residual properties and simulate the mode II delamination behavior under moisture attack.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10404 - Polymer science

Result continuities

  • Project

    <a href="/en/project/EF16_025%2F0007293" target="_blank" >EF16_025/0007293: Modular platform for autonomous chassis of specialized electric vehicles for freight and equipment transportation</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2020

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Polymers

  • ISSN

    2073-4360

  • e-ISSN

  • Volume of the periodical

    12

  • Issue of the periodical within the volume

    9

  • Country of publishing house

    CH - SWITZERLAND

  • Number of pages

    13

  • Pages from-to

  • UT code for WoS article

    000580178100001

  • EID of the result in the Scopus database

    2-s2.0-85092390075