Derived Dynamic Ply Properties from Test Data on Angle Ply Laminates |
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| Authors: | F A R Al-Salehi S T S Al Hassani N M Bastaki M J Hinton |
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| Affiliation: | (1) University of Manchester Institute of Science and Technology (UMIST), P.O. Box 88, Manchester, M60 1QD, U.K |
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| Abstract: | Dynamic unidirectional tensile ply properties were extracted from the results of burst tests on angle ply filament wound GRP and KRP tubes under internal hoop loading. The extracted longitudinal and transverse tensile strengths as well as transverse tensile moduli exhibited strain-rate sensitivities. Shear properties were derived from test results on 55° and 65° tube angles. Derived shear stress-strain curves and shear strength values are presented at different strain rates; again clearly demonstrating rate effects on these properties. Complete sets of strain rate dependent lamina tensile properties are presented for GRP and KRP covering the strain rate regime of 1 to 102 sec-1. |
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| Keywords: | ply properties angle ply laminates GRP and KRP tubes strain rate transverse and longitudinal strength transverse and longitudinal moduli shear strength residual thermal stress |
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