This Article Full Text (OnlineFirst PDF) Alert me when this article is cited Alert me if a correction is posted Services Email this article to a friend Similar articles in this journal Alert me to new issues of the journal Add to Saved Citations Download to citation manager Request Permissions Request Reprints Add to My Marked Citations Citing Articles Citing Articles via Scopus Google Scholar Articles by Battley, M. Articles by Burman, M. Social Bookmarking                         What's this?

Characterisation of ductile core materials

¹ Centre for Advanced Composite Materials (CACM), University of Auckland, Auckland, New Zealand
² Department of Aeronautical and Vehicle Engineering, Division of Lightweight Structures, Stockholm, Sweden

^* To whom correspondence should be addressed. E-mail: m.battley{at}auckland.ac.nz.

	Abstract

This article describes an experimental investigation of characterization methods for ductile core materials. Full-field optical strain measurement methods are used to determine the strain distributions in standard testing methods such as block shear and four-point beam testing, particularly for highly ductile cores subjected to large deformations. The results show that the stress and strain fields in both block shear and sandwich beam tests are very different to those assumed by the testing standards. The test methods result in complex post yield states of stress in the core materials, meaning the core shear strength and ultimate shear strain should not be calculated by classical methods in the post yield region.

First published on June 10, 2009
Journal of Sandwich Structures and Materials 2009, doi:10.1177/1099636209104532


CiteULike    Complore    Connotea    Del.icio.us    Digg    Reddit    Technorati    Twitter    What's this?