Journal Published Online: 25 March 2014
Volume 42, Issue 3

An Experimental Investigation of Factors Considered for the Short Beam Shear Strength Evaluation of Carbon Fiber–reinforced Thermoplastic Laminates



The short beam shear method is the most common test used to determine interlaminar shear strength (ILSS). However, different test standards provide a range of values and make this method unreliable. Carbon fiber–reinforced thermoplastic laminates were used for experiments with the boundary conditions specified under International Organization for Standardization and ASTM test standards. Additional factors, such as the matrix type, thermoforming, and carbon weave orientation, were chosen to build an experimental design. The work also demonstrates the unique visualization of the shear strain during three-point bending as determined via photogrammetric measurements. The specimen failure modes are described in detail. This paper highlights and evaluates the possible influences of the material and test factors that should be considered when ILSS tests are performed on woven fabric reinforced thermoplastics under different test standards and conditions.

Author Information

Kadlec, Martin
VZLU – Aerospace Research and Test Establishment, Prague, CZ
Nováková, Lucie
VZLU – Aerospace Research and Test Establishment, Prague, CZ
Růžek, Roman
VZLU – Aerospace Research and Test Establishment, Prague, CZ
Pages: 13
Price: $25.00
Reprints and Permissions
Reprints and copyright permissions can be requested through the
Copyright Clearance Center
Stock #: JTE20120043
ISSN: 0090-3973
DOI: 10.1520/JTE20120043