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Original Articles

Time-dependent behavior of adhesively bonded composite–composite beams under flexural loading

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Pages 1348-1370 | Received 15 Oct 2019, Accepted 17 Dec 2019, Published online: 06 Jan 2020
 

Abstract

Time-dependent behavior is characteristic of adhesively bonded structureswhen put under constant load (creep). In this study, adhesively bonded beam specimens prepared by adhesively bonding two unidirectional carbon fiber laminated beams were subjected to accelerated three-point bending creep tests. A three-point bending test was selected because of its simplicity and the fact that bending stresses tend to develop in structures under load even if not subjected to direct flexural load. The aim of this study is to predict the long-term behavior and to investigate the long-term creep response of the adhesively bonded composite system. The long-term creep behavior was predicted by time–temperature superposition principle (TTSP) and construction of the master curve at a reference temperature.

Disclosure statement

No potential conflict of interest was reported by the authors.

Additional information

Funding

Funding of this research was supported by the Libyan Ministry of Education [Grant number 6176, year 2010] under doctoral program.

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