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Specimen design for mechanical testing of highly-oriented polymers |
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| Authors: | N. E. Bekhet D. C. Barton and G. Craggs |
| Affiliation: | Department of Mechanical Design, Faculty of Engineering and Technology, El-Matariah, Helwan University, Cairo, Egypt Department of Mechanical Engineering, Leeds University, Leeds, West Yorkshire, UK LS2 9JT |
| Abstract: | Tensile and in-plane shear specimens have been designed using finite element analysis to enable satisfactory testing of highly-drawn flat strip polymer. The analyses have shown that the required specimen geometry for tensile testing is very dependent on the degree of anisotropy of the material. A geometry correction factor has been determined for the in-plane shear specimen to relate the applied load to the shear stress at the centre of the gauge area. Simple tube specimens have also been analysed using anisotropic thin shell theory. |
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