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Effect of alkali treatment on vibration characteristics and mechanical properties of natural fabric reinforced composites

by PhD Candidate at The University of Auckland on Aug 16, 2012

  • 881 views

In this article, the effect of alkali treatment (with 5 wt. % sodium hydroxide solution for 30 min) on the compressive, ...

In this article, the effect of alkali treatment (with 5 wt. % sodium hydroxide solution for 30 min) on the compressive,

in-plane shear, impact properties and vibration characteristics of flax- and linen-fabric reinforced epoxy composites was

investigated. Test results show that alkali treatment enhanced the compressive strength and compressive modulus,

in-plane shear strength and shear modulus, and specific impact strength of both flax- and linen-epoxy composites.

However, after the treatment, the impact strength and damping ratio of the flax and linen composites decreased. The

reduction in impact strength and damping ratio is believed to be attributed to the improved fibre/matrix interfacial

adhesion, as analysed by scanning electron microscope.

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Effect of alkali treatment on vibration characteristics and mechanical properties of natural fabric reinforced composites Effect of alkali treatment on vibration characteristics and mechanical properties of natural fabric reinforced composites Document Transcript