New ideas on the measurement of the in-plane shear strength of unidirectional composites


Pierron, F. and Vautrin, A. (1997) New ideas on the measurement of the in-plane shear strength of unidirectional composites. Journal of Composite Materials, 31, (9), 889-895. (doi:10.1177/002199839703100903).

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Description/Abstract

This paper addresses the issue of the measurement of the in-plane shear strength of unidirectional composites. It is shown from recently published material that for both Iosipescu and 100 off-axis tensile tests, failure under a homogeneous stress state is achieved. However, these stress states are not pure shear and it is shown that ignoring the presence of transverse tensile and compressive stresses, respectively in the 100 off-axis and the Iosipescu tests, would lead to important apparent differences in the in-plane shear strength measured from both tests.

An analysis using a quadratic failure criterion underlines the role of the transverse stresses and values of 95 and 98 MPa for the shear strength of unidirectional T300/914 are derived respectively from the 100 off-axis and the Iosipescu tests.

Item Type: Article
ISSNs: 0021-9983 (print)
1530-793X (electronic)
Related URLs:
Subjects: T Technology > T Technology (General)
Divisions: Faculty of Engineering and the Environment > Engineering Sciences > Engineering Materials Surface Engineering
ePrint ID: 210703
Date Deposited: 14 Feb 2012 17:20
Last Modified: 27 Mar 2014 19:50
URI: http://eprints.soton.ac.uk/id/eprint/210703

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