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  1. No Access

    Article

    Correlation of microstructure with tensile and crack tip opening displacement properties at low temperatures in API linepipe steels

    The correlations of the microstructural factors with the tensile and crack tip opening displacement (CTOD) properties at −20 and −60 °C for three kinds of API linepipe steels were investigated. The C steel com...

    Minju Kang, Hyunmin Kim, Sunghak Lee, Sang Yong Shin in Metals and Materials International (2015)

  2. No Access

    Article

    Adiabatic shear banding and cracking phenomena occurring during cold-forging simulation tests of plain carbon steel wire rods by using a split Hopkinson’s pressure bar

    Adiabatic shear banding and cracking phenomena occurring during cold forging of plain carbon steel wire rods, whose carbon content was varied from 0.2 to 0.8 wt%, were analyzed by forging simulation test using...

    Minju Kang, Jaeyeong Park, Seok Su Sohn, Hyunmin Kim… in Metals and Materials International (2015)

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    Article

    Dynamic compressive properties obtained from a split Hopkinson pressure bar test of Boryeong shale

    Dynamic compressive properties of a Boryeong shale were evaluated by using a split Hopkinson pressure bar, and were compared with those of a Hwangdeung granite which is a typical hard rock. The results indicat...

    Minju Kang, Jung-Woo Cho, Yang Gon Kim, Jaeyeong Park… in Metals and Materials International (2016)

  4. No Access

    Article

    Edge-Cracking Behavior of CoCrFeMnNi High-Entropy Alloy During Hot Rolling

    This work investigated edge-cracking behavior of equiatomic CoCrFeMnNi high-entropy alloy during hot rolling at rolling temperatures 500 ≤ TR ≤ 1000 °C. Edge cracks did not form in the material rolled at 500 °C, ...

    Jong Woo Won, Minju Kang, Heoun-Jun Kwon, Ka Ram Lim… in Metals and Materials International (2018)

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    Article

    Effect of Microstructural Features on the High-Cycle Fatigue Behavior of CoCrFeMnNi High-Entropy Alloys Deformed at Room and Cryogenic Temperatures

    In this study, we examined the effect of deformation twins and dislocation cell structures on the fatigue properties of the CoCrFeMnNi high-entropy alloy using rotational bending fatigue tests. The dislocation...

    Gyung Tae Lee, Jong Woo Won, Ka Ram Lim, Minju Kang… in Metals and Materials International (2021)