Energy absorption and load carrying capability of woven natural silk epoxy - Triggered composite tubes

R. A. Eshkoor, A. U. Ude, A. B. Sulong, R. Zulkifli, A. K. Ariffin, C. H. Azhari

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

Abstract This study investigated the energy absorption response and load carrying capability of woven natural silk/epoxy - triggered composite rectangular tubes subjected to an axial quasi-static crushing test. The rectangular composite tubes were prepared by hand lay-up technique. The tubes consisted of 12, 24, and 30 layers of natural woven silk/epoxy laminate and were 50, 80, and 120 mm long. The crashworthiness of the tubes was evaluated by measuring the specific energy absorption in quasi-static axial compression. Specific energy absorption was obtained from the load - displacement curve during testing. The failure mode of the tubes was analyzed from high resolution photographs obtained. Overall, the tube with 50 mm length and 30 layers showed the best crashworthiness among the tubes. The failure morphology showed that the specimens failed in two distinct modes: local and mid-length buckling. The triggered composite tubes exhibited progressive failure.

Original languageEnglish
Article number3451
Pages (from-to)10-18
Number of pages9
JournalComposites Part B: Engineering
Volume77
DOIs
Publication statusPublished - Jan 1 2015

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Silk
Energy absorption
Dynamic loads
Crashworthiness
Composite materials
Axial compression
Crushing
Failure modes
Laminates
Buckling
Testing

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Mechanics of Materials
  • Industrial and Manufacturing Engineering
  • Mechanical Engineering

Cite this

Eshkoor, R. A. ; Ude, A. U. ; Sulong, A. B. ; Zulkifli, R. ; Ariffin, A. K. ; Azhari, C. H. / Energy absorption and load carrying capability of woven natural silk epoxy - Triggered composite tubes. In: Composites Part B: Engineering. 2015 ; Vol. 77. pp. 10-18.
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Energy absorption and load carrying capability of woven natural silk epoxy - Triggered composite tubes. / Eshkoor, R. A.; Ude, A. U.; Sulong, A. B.; Zulkifli, R.; Ariffin, A. K.; Azhari, C. H.

In: Composites Part B: Engineering, Vol. 77, 3451, 01.01.2015, p. 10-18.

Research output: Contribution to journalArticle

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AB - Abstract This study investigated the energy absorption response and load carrying capability of woven natural silk/epoxy - triggered composite rectangular tubes subjected to an axial quasi-static crushing test. The rectangular composite tubes were prepared by hand lay-up technique. The tubes consisted of 12, 24, and 30 layers of natural woven silk/epoxy laminate and were 50, 80, and 120 mm long. The crashworthiness of the tubes was evaluated by measuring the specific energy absorption in quasi-static axial compression. Specific energy absorption was obtained from the load - displacement curve during testing. The failure mode of the tubes was analyzed from high resolution photographs obtained. Overall, the tube with 50 mm length and 30 layers showed the best crashworthiness among the tubes. The failure morphology showed that the specimens failed in two distinct modes: local and mid-length buckling. The triggered composite tubes exhibited progressive failure.

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