2022
DOI: 10.1177/00219983211068917
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Damage investigation of cross-ply flax/epoxy composite under impact fatigue

Abstract: This paper aims at studying the damage evolution of a [0/90]3S cross-ply flax/epoxy laminate repeatedly impacted at three energy levels of 5, 6 and 7J. Several specimen plates were prepared by the vacuum infusion technique and then subjected to repeated low velocity impacts. To assess external damage mechanisms in the impacted plates, an inspection of the back and front faces damage was conducted by using a high-resolution digital reflex camera. Moreover, different techniques were used to evaluate the internal… Show more

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Cited by 3 publications
(1 citation statement)
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“…Microstructural flaws (voids, dislocations, inclusions), corrosion (material loss), cracking, residual stress, (matrix, fatigue, ply), fastening flaws (bold preload, weld crack, broken rivet), adhesive flaws (de-bonding, delamination, separation), and instability are some of the common causes of cracks in structural components or materials. 9,11 The difficulty is in understanding how the sort of damage might affect the response characteristics and correlating those variations with the related measured parameters. The base for the localization and assessment of the required algorithm by structural health monitoring (SHM) system is provided by the specification of the connection between the damage and the characteristic parameters.…”
Section: Introductionmentioning
confidence: 99%
“…Microstructural flaws (voids, dislocations, inclusions), corrosion (material loss), cracking, residual stress, (matrix, fatigue, ply), fastening flaws (bold preload, weld crack, broken rivet), adhesive flaws (de-bonding, delamination, separation), and instability are some of the common causes of cracks in structural components or materials. 9,11 The difficulty is in understanding how the sort of damage might affect the response characteristics and correlating those variations with the related measured parameters. The base for the localization and assessment of the required algorithm by structural health monitoring (SHM) system is provided by the specification of the connection between the damage and the characteristic parameters.…”
Section: Introductionmentioning
confidence: 99%