Effects of stacking sequence on the impact resistance in composite laminates — Part 1: parametric study

Fuoss, Edgar; Straznicky, P. V.; Poon, C.

doi:10.1016/s0263-8223(98)00036-1

Cited by 100 publications

(56 citation statements)

References 8 publications

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“…Since similar shapes of impact induced delaminations were presented in other studies, e.g. in [18][19][20][24][25][26], it could be expected that the outcomes of the present study could have broad applicability. However, it must be noted that also peanut shaped delaminations or delaminations with highly irregular shapes were reported in literature, e.g.…”

Section: Problem Descriptionsupporting

confidence: 72%

On the applicability of simple shapes of delaminations in buckling analyses

Obdržálek¹,

Vrbka²

2011

Composites Part B: Engineering

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Section: Problem Descriptionsupporting

confidence: 72%

On the applicability of simple shapes of delaminations in buckling analyses

Obdržálek¹,

Vrbka²

2011

Composites Part B: Engineering

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“…ASTM D7136 / D7136M [42]) is taken as a reference in order to fix some of the governing [45]. The boundary conditions provided by the edge supports can be approximated to simply supported [19].…”

Section: Selection Of the Impact Configurationsmentioning

confidence: 99%

“…Fuoss et al [19] found that ply clustering reduces the damage resistance of a laminate when it is loaded by low-velocity impact, resulting in an increased delamination area. Stacking plies with the same fiber orientation increases the interlaminar shear stresses at the adjacent interfaces due to the increased difference in the bending stiffness of the ply groups.…”

Section: Introductionmentioning

confidence: 99%

Effects of ply clustering in laminated composite plates under low-velocity impact loading

González

Maimí

Camanho

et al. 2011

Composites Science and Technology

175

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Please cite this article as: González, E.V., Maimí, P., Camanho, P.P., Lopes, C.S., Blanco, N., Effects of ply clustering in laminated composite plates under low-velocity impact loading, Composites Science and Technology (2010), doi: 10.1016/j.compscitech.2010 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.Effects of ply clustering in laminated composite plates under low-velocity impact loading AbstractThis paper presents a study of the effects of ply clustering on polymer-based laminated composite plates subjected to a drop-weight impact loading. The tools used to define the impact configurations, as well as the experimental results obtained, are described in detail.These tools are simplified analytical models for the description of the impact behavior and of the damage thresholds that result in a significant reduction on the structure stiffness and strength, caused by delamination. The results obtained demonstrate that the analytical tools are useful to define the impact configurations, to obtain a preliminary understanding of the effects of each parameter that can influence the response, and to interpret the experimental results. It is concluded that ply clustering reduces the damage resistance of the structure.However, the damage tolerance assessed by the compression after impact tests is unaffected by ply clustering.

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“…Moreover, the existence of an optimal value of the interlaminar fracture toughness corresponding to maximum energy absorption has been theoretically proven by Lear and Sankar [37], but not experimentally verified. Delamination, and therefore the energy absorbing capability, of composite laminates has been also successfully promoted by other techniques, such as the introduction of fibre orientation change between adjacent layers [32], the modification the target stiffness [38], or the introduction of ply grouping [39].…”

Section: Introductionmentioning

confidence: 99%

Experimental optimization of the impact energy absorption of epoxy–carbon laminates through controlled delamination

Pegoretti

Cristelli

Migliaresi

2008

Composites Science and Technology

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Experimental optimization of the impact energy absorption of epoxy-carbon laminates through controlled delamination. Composites Science and Technology, Elsevier, 2010, 68 (13) ACCEPTED MANUSCRIPT 2 ABSTRACTIn this paper, the correlation between interlaminar fracture toughness and impact energy absorption for the fracture of epoxy-carbon laminates was studied. Carbon fibres-epoxy cross-ply prepreg layers were interleaved with thin (26 microns) poly(ethylene-terephthalate) (PET) films. Before the composite preparation, circular holes 1 mm in diameter were drilled in the PET films at several densities (from 0 up to 44 holes/cm 2 ) in order to selectively increase the interlaminar contact area between the epoxycarbon laminae. In this way, the interlaminar contact area was gradually varied from 0%, corresponding to the case in which non-perforated PET films were used, up to 100% in the case of

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Effects of stacking sequence on the impact resistance in composite laminates — Part 1: parametric study

Cited by 100 publications

References 8 publications

On the applicability of simple shapes of delaminations in buckling analyses

On the applicability of simple shapes of delaminations in buckling analyses

Effects of ply clustering in laminated composite plates under low-velocity impact loading

Experimental optimization of the impact energy absorption of epoxy–carbon laminates through controlled delamination

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