In-plane shear testing of graphite-woven fabric composites

Ho, H.; Tsai, Ming-Yi; Morton, J.; Farley, Gary L.

doi:10.1007/bf02328441

Cited by 11 publications

(2 citation statements)

References 12 publications

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“…One of the aims of this paper is to show that any local effects typical for 3D woven composites do not significantly influence the quality of the shear measurements. As a comparison, the widely used Iosipescu shear test has a very small measurement area (compared to the size of the fabric repeat), so in this case local effects would influence the quality of the measurements 8,9 . Ho et al 9 also show experimental data of the variations of the shear strain field over the measurement area using Moiré interferometry.…”

Section: Influence Of Materials Heterogeneitymentioning

confidence: 99%

“…As a comparison, the widely used Iosipescu shear test has a very small measurement area (compared to the size of the fabric repeat), so in this case local effects would influence the quality of the measurements 8,9 . Ho et al 9 also show experimental data of the variations of the shear strain field over the measurement area using Moiré interferometry. The basic difference between those two tests is the fact that the Iosipescu shear test is based on strain measurements on a very localised area whereas for the plate twist test the overall deflections of the entire test specimen are measured.…”

Section: Influence Of Materials Heterogeneitymentioning

confidence: 99%

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In-plane Shear Measurements of Textile Composites with Large Unit Cells using the Plate Twist Test

Weissenbach

Limmer

2002

Polymers and Polymer Composites

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The application of the plate twist test method to 3D-woven textile composites was investigated using both numerical analyses of the test set-up as well as experimental results. Comparisons with the widely used V-notched beam shear and 10°-off-axis tension tests are introduced in an attempt to identify the true in-plane shear response. The results of this study demonstrate that with careful specimen preparation and an adequate test fixture precise in-plane shear modulus data can be obtained. Moreover, for 3D-woven textile composites with their large unit cells the plate twist test appears to be superior in revealing the “true” in-plane shear behaviour.

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Section: Influence Of Materials Heterogeneitymentioning

confidence: 99%

Section: Influence Of Materials Heterogeneitymentioning

confidence: 99%