ABSTRACT There has been significant increase in use of glass fibre reinforced composites as structural
materials in naval mine countermeasure surface ships. Sea mines when detonated emit
underwater shock waves, which could impart severe loading to naval ship structure; there are
attempts to model the response of a ship structure to this loading. For the model to be accurate
& useful material property data determined experimentally by taking different weight percentage
of glass fibers (E-300, mat form) with epoxy resin & comparison with fly ash reinforced
composite. Specimens in the form of cube of size 10X10X10 (mm’s) are used & results are
presented. Fracture behaviour of composite can also be studied using SEM. SEM analysis is
done to observe distribution of fly ash particles in matrix, resin fly ash interface, glass fibre
matrix interface, glass fibre distribution etc,.
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