주요 연구

Introduction

Metallurgy is the principal study of the Byoungchul Hwang research group. Research interests include the microstructure and mechanical properties of advanced metallic materials with particular emphasis on the fundamentals of deformation and fracture behaviors; development of novel high- and medium-manganese steels for cryogenic applications; strain-based design of high-strength API linepipe steels & earthquake resisting reinforced steel bars; hydrogen embrittlement and applications of metallic materials; engineering strength and toughness into advanced metallic materials; and computational materials science & engineering. Please visit the research page for more information on current projects.

 

 

 Development of Novel High- and Medium-Manganese Steels for Cryogenic Applications

  • - Strengthening light-weight Fe-Mn-Al-(N,C) alloys for cryogenic applications
  • - Alloy design of medium-manganese steels with excellent low-temperature toughness
  • - High-temperature hydrogen attack and reheating cracking of heat-resistant steels





 Strain-Based Design of High-strength API Linepipe Steels & Earthquake Resisting Reinforced Steel Bars

  • - Thermo-mechanical control process (TMCP) and microstructural evolution
  • - Optimum microstructure to achieve excellent deformability of low yield ratio and high uniform elongation
  • - Microstructure-based prediction of tensile properties using multiple linear regression analysis





 Hydrogen Embrittlement and Applications of Metallic Materials

  • - Crygenic and hydrogen embrittlement of high-manganese steels for liquid hydrogen storage
  • - High-temperature hydrogen attack and reheating cracking of heat-resistant steels
  • - Materials selection and criterion for hybrid hydrogen ironmaking
  • - Hydrogen embrittlement of metallic materials subjected to different hydrogen charging methods





 Engineering Strength and Toughness into Advanced Metallic Materials

  • - Development of nanostructured bainite steels for high-hardness armors (HHA)
  • - Hydrogen embrittlement of Ti-6Al-4V alloys for military and aerospace applications
  • - Dynamic deformation and fracture behaviors of high specific-strength steels





 Computational Materials Science and Engineering & Materials Characterization