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Comparasion of Impact and Tensile Properties of High-Strength Steel

Faculty of Mechanical Engineering and Naval Architecture, University of Zagreb, Ivana Lučića 5, 10000 Zagreb, Croatia
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Metals 2018, 8(7), 511; https://doi.org/10.3390/met8070511
Received: 15 June 2018 / Revised: 29 June 2018 / Accepted: 2 July 2018 / Published: 3 July 2018
Tensile and impact properties of API 5L X80 steel were investigated and compared in order to evaluate their relation. Yield and maximum forces under dynamic impact testing were obtained from force-displacement curves. Dynamic yield strength was estimated using the von Mises yield criterion. A different approach was taken in order to estimate the dynamic tensile strength; the instrumented RKP 450 Zwick/Roell machine was used for this specific purpose. From the 10-mm-thick steel plate, Charpy V notch (CVN) samples were cut off in longitudinal orientation considering the rolling direction. For this research, CVN specimens were machined according to the ISO 148:2016 standard. Tensile specimens were machined according to the ISO 6892-1:2016 standard. It was found that the results between the tensile and impact properties were very close and within 5%. View Full-Text
Keywords: dynamic loading; instrumented impact machine; tensile test; force dynamic loading; instrumented impact machine; tensile test; force
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Alar, Ž.; Mandić, D. Comparasion of Impact and Tensile Properties of High-Strength Steel. Metals 2018, 8, 511.

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