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A good method to directly measure the mechanical properties of a material deformed in compression or torsion is by using the shear punch test. Unlike tensile testing, the shear punch test is not limited by specimen size or shape. However, it is unclear whether there is a limit to the allowable specimen thickness and punch diameter in order to attain (through conversion) tensile properties with reliability and accuracy. According to this study, it was found that the shear punch test was not sensitive to varying specimen thicknesses or punch diameters over a range of 200 to 400 μm and 1.5 to 5 mm, respectively.
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Elwazri et al. (2006) studied this question.
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