DEFORMATION RESPONSE OF DUAL PHASE STEEL IN STATIC AND DYNAMIC CONDITIONS
Journal Title: Applied Engineering Letters - Year 2019, Vol 4, Issue 2
Abstract
In this work, strength and plastic deformation effect of the dual phase steel are analysed in the static and dynamic conditions. Since the dual phase steel is extensively used in the outer body parts of the automotive vehicles, their dynamic strength and plastic strain energy absorption during the crash are essential. Dynamic strength of the dual phase steel is examined using the pendulum impact hammer tester machine. Spread of the plastic strain during the crash is an important factor for the energy absorption to passive safety, which is examined using the local hardness measurement using the Vickers hardness and local indentation yield strength is calculated using the cylindrical indenter and obtained force-depth results are analysed using the Hencky theory for the plane strain indentation. Further, tested samples are observed using the scanning electron microscopy for the fracture response after the static and dynamic tests.
Authors and Affiliations
M. R. Sunil Kumar, Eva Schmidova
Keywords
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- EP ID EP606652
- DOI 10.18485/aeletters.2019.4.2.1
- Views 86
- Downloads 0
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