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Low-velocity impact and compression after impact response of thin ply based composite laminates
University of Girona, Spain.
University of Girona, Spain.
University of Girona, Spain.
Aernnova Engineering Solutions Ibérica SA , Spain.
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2015 (English)In: ICCM International Conferences on Composite Materials, International Committee on Composite Materials , 2015Conference paper, Published paper (Refereed)
Abstract [en]

The advantage of using thin plies is a well-known feature in laminated composite plates, since the homogenized properties usually improve, and in turn, the performance of the structure. In the literature, several works deal with the study of the ply thickness effect for different structures and loading conditions. However, fewer studies have been performed to understand the structure response under out-of-plane loading, such as the low-velocity impact event. The apparition of high quality manufactured ultra-thin plies, such as the composite material product TeXtreme of Oxeon AB, requires a detailed analysis of their damage resistance and tolerance performance under impact loading. The present work deals with a discussion of a large experimental test campaign of drop-weight impact tests and Compression After Impact (CAI) tests on ultra-thin ply based composite laminates. The composite material analysed is a plain-weave fabric with HTS45 fibers and 20 mm wide yarns, used with HexFlow RTM 6 mono-component epoxy system, and manufactured out-of-autoclave. Two ply thicknesses are considered: 0.08 mm and 0.16 mm. For each case, the same laminate thickness and stacking sequence is considered in order to define the same in-plane stiffness. The study considers different impact energy levels.

Place, publisher, year, edition, pages
International Committee on Composite Materials , 2015.
Keywords [en]
CAI, Impact, Thin-ply
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-42230Scopus ID: 2-s2.0-84978106171OAI: oai:DiVA.org:ri-42230DiVA, id: diva2:1379637
Conference
20th International Conference on Composite Materials, ICCM 2015, 19 July 2015 through 24 July 2015
Note

Funding details: Ministerio de Economía y Competitividad; Funding details: Ministerio de Ciencia e Innovación, BES-2014-070374, MAT2013-46749-R, MAT2012-37552-C03-03; Funding text 1: This work has been partially funded by the financial support of ERANet AirTN 01/2012 under the project entitled “Damage tolerance for thin ply textile composites (DAMTEX)”, and by the Spanish Government (Ministerio de Economía y Competitividad - MICINN) under contracts MAT2012-37552-C03-03 and MAT2013-46749-R. The second author would like to thank the pre-doctoral grant BES-2014-070374 of “Subprograma Estatal de Formación del MICINN”.

Available from: 2019-12-17 Created: 2019-12-17 Last updated: 2019-12-17Bibliographically approved

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