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Buckling and postbuckling of a delaminated composite beam in bending


Reference:

Kinawy, M., Butler, R. and Hunt, G. W., 2011. Buckling and postbuckling of a delaminated composite beam in bending. AIAA Journal, 49 (3), pp. 670-672.

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Official URL:

http://dx.doi.org/10.2514/1.J050784

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Abstract

A study was conducted to model the thin delaminated layer using the Elastica theory and investigate the postbuckling behavior for a delaminated beam under compression. Static tests were performed to understand the buckling and propagation behavior of 16-ply, laminated beams with a through-width delamination created by a polytetrafluoroethylene (PTFE) layer of 0.02 mm thickness and 40 mm length placed at the mid length of the beam between the second and third ply. A unidirectional plate made of M21-T800 carbon material was laid up and cured using an autoclave. An INSTRON-1332 servo-hydraulic machine with 10 kN load cell was used for loading application. The strain gauges and loading channel from the servo-hydraulic machine were connected to a SPIDER-8 data acquisition system which was attached to a PC. The specimens were also loaded through a four point bending fixture under displacement control.

Details

Item Type Articles
CreatorsKinawy, M., Butler, R. and Hunt, G. W.
DOI10.2514/1.J050784
Related URLs
URLURL Type
http://www.scopus.com/inward/record.url?eid=2-s2.0-79952124908&partnerID=8YFLogxKUNSPECIFIED
DepartmentsFaculty of Engineering & Design > Mechanical Engineering
Research CentresAerospace Engineering Research Centre
RefereedNo
StatusPublished
ID Code23206

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