Experimental investigation on the effect of creep on the damage evolution of CFRP structures during fatigue loading

Dimitrios Zarouchas, Nikos Eleftheroglou

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

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Abstract

This paper presents an experimental investigation on the effect of creep on the damage evolution of Carbon Fiber Reinforced Polymer structures during fatigue loading. A new experimental campaign is proposed where unidirectional CFRP specimens are tested under the combination of fatigue and constant compressive load. The tests represent the loading that the lower part of an air-wing faces during the flight and parking process. Acoustic Emission technique is employed in order to monitor the damage progression and accumulation. The results of the acoustic emission are compared with reference tests where only fatigue loading is used and it is found that the acoustic emission patterns in terms of number and distribution of events over the duration of tests and energy accumulation is different for these two types of tests. The results indicate that the damage process on CFRP structures is different when creep is present.
Original languageEnglish
Title of host publication17th International Conference on Experimental Mechanics (ICEM 17)
Subtitle of host publicationJuly 3-7, 2016, Rhodes, Greece
EditorsEmmanuel E. Gdoutos
Number of pages2
Publication statusPublished - 2016
Event17th International Conference on Experimental Mechanics - Rodos Palace International Convention Center, Rhodes, Greece
Duration: 3 Jul 20167 Jul 2016
Conference number: 17
http://www.icem17.org/

Conference

Conference17th International Conference on Experimental Mechanics
Abbreviated titleICEM 17
CountryGreece
CityRhodes
Period3/07/167/07/16
Internet address

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