Locking of the strain rate effect in Hopkinson bar testing of a mild steel
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DOI: 10.1016/j.ijimpeng.2019.04.009
Abstract: Abstract The flow stress of many metals exhibits a dependence on the strain rate, in the form of a dynamic amplification of the static flow stress which, according to most literature models, saturates at the… read more here.
Keywords: hopkinson; mild steel; rate; effect ... See more keywords
Geometry Optimization of Sheet Specimen for the Measurement Accuracy Improvement in the Hopkinson Bar Based on Intelligent Algorithm
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DOI: 10.1109/access.2020.2998115
Abstract: At present, the split Hopkinson tensile bar (SHTB) is widely used to determine the dynamic tensile properties of materials under high strain rates, in which sheet specimen with dogbone-shaped structure is commonly adopted. However, the… read more here.
Keywords: bar; hopkinson; geometry; sheet specimen ... See more keywords