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Preferential energy absorbing interfacesfor ballistic and structural applications

Fishpool, DT, Rezai, A, Baker, D, Ogin, SL and Smith, PA (2011) Preferential energy absorbing interfacesfor ballistic and structural applications ICCM International Conferences on Composite Materials.

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Abstract

The ballistic performance of "smart-sized" S2-glass fibre reinforced epoxy was evaluated in comparison with matrix compatible, matrix semi-compatible and matrix incompatible sized materials. The smart size is a formulation designed to give rate-dependent behaviour. The smart-sized material was shown to exhibit rate dependent changes in interlaminar shear strength and mode I interlaminar fracture toughness testing; the ballistic performance of the material was improved only slightly over compatible sized materials. This is attributed to reduced fibre tensile strength in the smart-sized fibres, which was a competing effect, limiting energy absorption during ballistic impact. Overcoming the fibre strength degradations, which appears to be caused by frictional handling effects, is likely to result in significant improvement in ballistic limit. A hybrid laminate consisting of interleaved plies of the compatible and incompatible sizings described above showed synergistic improvements to ballistic performance above what might be expected through rule of mixtures when incompatible sized plies were located towards the rear of the laminate.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Mechanical Engineering Sciences
Authors :
AuthorsEmailORCID
Fishpool, DTUNSPECIFIEDUNSPECIFIED
Rezai, AUNSPECIFIEDUNSPECIFIED
Baker, DUNSPECIFIEDUNSPECIFIED
Ogin, SLUNSPECIFIEDUNSPECIFIED
Smith, PAUNSPECIFIEDUNSPECIFIED
Date : 2011
Additional Information : Author Version of Paper presented at ICCM International Conferences on Composite Materials 2011
Depositing User : Symplectic Elements
Date Deposited : 13 Sep 2013 14:52
Last Modified : 23 Sep 2013 20:13
URI: http://epubs.surrey.ac.uk/id/eprint/792193

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