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Characterising and modelling the mechanical behaviour of polymeric foams under complex loading

Carranza, I., Crocombe, A. D., Mohagheghian, I., Smith, P. A., Sordon, A., Meeks, G. and Santoni, C. (2019) Characterising and modelling the mechanical behaviour of polymeric foams under complex loading Journal of Materials Science, 54 (16). pp. 11328-11344.

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Abstract

Polymeric foams are used extensively as the core of sandwich structures in automotive and aerospace industries. Normally, several experiments are necessary to obtain the required properties to model the response of crushable foams using finite element analysis (FEA). Hence, this research aims to develop a simple and reliable calibration process for extracting the physical parameters which are required by the material model available in the commercial FE package Abaqus. To do this, a set of experimental tests, including uniaxial compression, uniaxial tension and shear punch tests, is proposed. All the experimental tests were also simulated, and generally, good correlations between experiments and numerical models were obtained. The validity of the overall approach was finally demonstrated using an indentation test in which the foam was subjected to a more complex mixed mode loading. During these indentation tests, digital image correlation was used to observe full-field strain distribution in the foam under the indenter. Good agreement between the experimental results and the numerical predictions was found for load–displacement response, failure mode and strain distribution.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Mechanical Engineering Sciences
Authors :
NameEmailORCID
Carranza, I.i.carranza-guisado@surrey.ac.uk
Crocombe, A. D.A.Crocombe@surrey.ac.uk
Mohagheghian, I.i.mohagheghian@surrey.ac.uk
Smith, P. A.P.Smith@surrey.ac.uk
Sordon, A.
Meeks, G.
Santoni, C.
Date : August 2019
Funders : Engineering and Physical Sciences Research Council (EPSRC), University of Surrey
DOI : 10.1007/s10853-019-03673-8
Copyright Disclaimer : © The Author(s) 2019. Open Access. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
Depositing User : Clive Harris
Date Deposited : 31 May 2019 13:34
Last Modified : 31 May 2019 13:34
URI: http://epubs.surrey.ac.uk/id/eprint/851915

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