Design of A Flat Plate Specimen Suitable for Biaxial Tensile Tests on Polymer Materials
Polymers and polymer composites/Polymers & polymer composites(2015)
摘要
Since the introduction of fibre-reinforced polymer composites there has been a surge in the use of adhesives for joints and repairs, and polymer resins as the matrix materialfor fibre-reinforced composites. The failure mechanisms of these materials have been studied by many researchers; however, there is little accurate experimental data under tension-tension loading published. This is due to the lack of a standard specimen design to perform these tests. The authors propose a flat plate specimen design that has been shown to overcome some of the difficulties presented in literature. A series of tests with this specimen configuration were conducted under varying biaxial loading conditions. The results are plotted in the tension-tension quadrant of the materials failure envelope. For the two polymer materials tested; a linear truncation within the first quadrant of the failure envelope was found.
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关键词
Polymer,Composite,Biaxial failure,Matrix Dominant failure,Specimen design
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