An Experimental Investigation on the Response of Woven Natural Silk Fiber/Epoxy Sandwich Composite Panels Under Low Velocity Impact

Journal article

Authors / Editors

Ude, Albert

Research Areas

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Publication Details

Author list: Ude AU, Ariffin AK, Azhari CH

Publisher: Springer

Place: SEOUL

Publication year: 2013

Journal: Fibers and Polymers (1229-9197)

Journal acronym: FIBER POLYM

Volume number: 14

Issue number: 1

Start page: 127

End page: 132

Number of pages: 6

ISSN: 1229-9197

eISSN: 1875-0052

Languages: English-Great Britain (EN-GB)

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Abstract

This paper presents results of dynamic deformation behavior of woven natural silk/epoxy sandwich composite panels. The specimens were prepared in configurations of reinforced woven natural silk fiber (RWNSF)/Epoxy/Foam, RWNSF/Epoxy/Coremat; RWNSF/Epoxy/Honeycomb and reinforced RWNSF/Epoxy (control material) using hand-lay-up method. Each of the three core material was sandwiched between reinforced woven natural silk fiber/Epoxy composite face-sheet. Drop weight impact test was carried out under 32 J impact energy. Degree of damages inflicted on the contact surface, through thickness and rear surface were analyzed, sandwich composites performed better than the reinforced (control material). Failure mechanism involved interlaminar matrix cracking, layer debonding, delamination and fibre breakage.

Keywords

Impact behavior, Low velocity, Natural silk fibre, Sandwich

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