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  1. No Access

    Article

    Heat-Affected Zone Characteristics with Post-Weld Heat Treatments in Austenitic Fe–Mn–Al–C Lightweight Steels

    This study investigates the relationship between the mechanical characteristics and microstructural transitions in heat-affected zone (HAZ) of various austenitic Fe–Mn–Al–C lightweight steels. The analysis was...

    Seonghoon Jeong, Gitae Park, Bongyoon Kim… in Metals and Materials International (2022)

  2. No Access

    Article

    Roles of (Fe, Mn)3Al Precipitates and MBIP on the Hot Ductility Behavior of Fe–30Mn–9Al–0.9C Lightweight Steels

    In the automotive industry, lightweight steel has received much attention because steel comprises a significant portion of a vehicle’s total weight. Fe–Mn–Al–C steel is a representative lightweight steel due t...

    Bongyoon Kim, Seonghoon Jeong, Seong-Jun Park… in Metals and Materials International (2019)

  3. No Access

    Article

    Microstructural evolution and solidification cracking susceptibility of Fe–18Mn–0.6C–xAl steel welds

    In this work, the solidification behavior and solidification cracking of Fe–18Mn–0.6C–xAl (x = 1.49, 2.37, 4.79, 6.04 wt%) alloys were investigated. A longitudinal Varestraint test was applied to evaluate the sol...

    Jaehong Yoo, Bongyoon Kim, Younghwan Park, Changhee Lee in Journal of Materials Science (2015)