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Damage sequence in ...
Damage sequence in thin-ply composite laminates under out-of-plane loading
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- Wagih, A. (author)
- University of Girona, Spain; Zagazig University, Egypt
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- Maimí, P. (author)
- University of Girona, Spain
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- González, E. V. (author)
- University of Girona, Spain
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- Blanco, N. (author)
- University of Girona, Spain
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- De Aja, J. R. S. (author)
- Aernnova Engineering Solutions Ibérica S.A., Spain
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- De La Escalera, F. M. (author)
- Aernnova Engineering Solutions Ibérica S.A., Spain
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- Olsson, Robin (author)
- RISE,SICOMP
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- Alvarez, E. (author)
- Oxeon AB, Sweden
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(creator_code:org_t)
- Elsevier Ltd, 2016
- 2016
- English.
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In: Composites. Part A, Applied science and manufacturing. - : Elsevier Ltd. - 1359-835X .- 1878-5840. ; 87, s. 66-77
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- The study of the damage sequence in polymer-based composite laminates during an impact event is a difficult issue. The problem can be more complex when the plies are thin. In this paper, quasi-static indentation tests were conducted on thin-ply laminates to understand qualitatively the damage mechanisms and their sequence during low-velocity impact loading. TeXtreme® plain weave plies were used with two different thicknesses, 0.08 mm and 0.16 mm (referenced as ultra-thin-ply and thin-ply, respectively), and tested under different load levels. Load-displacement curves were analyzed and the extent of damage was inspected using optical microscopy and ultrasonic technique. The results showed that the damage onset occurs earlier in thin-ply laminates. The damage onset in thin-ply laminates is matrix cracking which induces delaminations, whereas for ultra-thin-ply laminates is due to delaminations which are induced by shear forces and small amount of matrix cracking. Moreover, the fiber breakage appears earlier in ultra-thin-ply laminates.
Keyword
- A. Polymer-matrix composites (PMCs)
- B. Impact behavior
- C. Damage mechanics
- D. Fractography
- Cracks
- Delamination
- Fracture mechanics
- Laminated composites
- Paper laminates
- Polymer matrix composites
- Ultrasonic applications
- Ultrasonic testing
- Damage mechanics
- Impact behavior
- Load-displacement curve
- Out-of-plane loading
- Polymer based composite
- Polymer Matrix Composites (PMCs)
- Quasi-static indentation tests
- Ultrasonic techniques
- Laminates
- Composites
- Damage
- Ply Wood
- Ultrasonic Frequencies
Publication and Content Type
- ref (subject category)
- art (subject category)
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