Investigation on energy absorption of natural and hybrid fiber under axial static crushing

Zeid Fadel Albahash, Mohamed Ansari Mohamed Nainar

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Using metallic materials in vehicles structures increases cost and fuel consumption, therefore, the trends start to use cheaper and lite materials. Fibers are used in composites in automotive applications because they are lightweight, stiff, and stronger than bulk material, as well as achieve comparable energy absorption to metallic materials. The aim of this research is to investigate the potential of natural fiber in the applications of crash energy absorption. An experimental procedure (hand layup) was applied to investigate the effect of using jute fiber on crash worthiness parameter of composite material with other types of fibers such as Kevlar and glass fiber reinforced epoxy composite. The work involved fabrication the tubes using three layers, two geometries (circular and square) with three different heights at constant crush speed 1.5 mm/s. The results show that the tubes of jute fiber were ineffective and failed directly, but, replacing one layer of jute fiber by one layer of other types of fibers lead to an enhancement in crash worthiness parameters especially, failure type and crash worthiness parameters. The better results are achieved when using hybrid jute and kevlar, where the energy absorption is enhanced by 17.75% and the specific energy absorption is enhanced by 25.122% in case of circular tube with diameter 50 mm. In case of square tube with side length 50 mm, the results are enhanced by 62.764% for energy absorption and 58.942% for specific energy absorption.

Original languageEnglish
Pages (from-to)52-61
Number of pages10
JournalComposites Science and Technology
Volume151
DOIs
Publication statusPublished - 20 Oct 2017

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Energy absorption
Crushing
Jute fibers
Crashworthiness
Fibers
Composite materials
Natural fibers
Fuel consumption
Glass fibers
Fabrication
Geometry
Costs

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Engineering(all)

Cite this

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abstract = "Using metallic materials in vehicles structures increases cost and fuel consumption, therefore, the trends start to use cheaper and lite materials. Fibers are used in composites in automotive applications because they are lightweight, stiff, and stronger than bulk material, as well as achieve comparable energy absorption to metallic materials. The aim of this research is to investigate the potential of natural fiber in the applications of crash energy absorption. An experimental procedure (hand layup) was applied to investigate the effect of using jute fiber on crash worthiness parameter of composite material with other types of fibers such as Kevlar and glass fiber reinforced epoxy composite. The work involved fabrication the tubes using three layers, two geometries (circular and square) with three different heights at constant crush speed 1.5 mm/s. The results show that the tubes of jute fiber were ineffective and failed directly, but, replacing one layer of jute fiber by one layer of other types of fibers lead to an enhancement in crash worthiness parameters especially, failure type and crash worthiness parameters. The better results are achieved when using hybrid jute and kevlar, where the energy absorption is enhanced by 17.75{\%} and the specific energy absorption is enhanced by 25.122{\%} in case of circular tube with diameter 50 mm. In case of square tube with side length 50 mm, the results are enhanced by 62.764{\%} for energy absorption and 58.942{\%} for specific energy absorption.",
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Investigation on energy absorption of natural and hybrid fiber under axial static crushing. / Albahash, Zeid Fadel; Mohamed Nainar, Mohamed Ansari.

In: Composites Science and Technology, Vol. 151, 20.10.2017, p. 52-61.

Research output: Contribution to journalArticle

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