Skip to main content

5 Result(s)

within Article Remove this filter Hansung Lee Remove this filter Characterization and Evaluation of Materials Remove this filter

and

  1. No Access

    Article

    Effect of Si alloying on the structural, thermal expansion, and magnetic properties of FeCoNiAlSix high-entropy alloys

    In this study, a series of FeCoNiAlSix (x = 0, 0.2, 0.4, and 0.6) high-entropy alloys (HEAs) were prepared by mechanical alloying and spark plasma sintering. The effects of Si alloying on the structural, thermal ...

    Cheenepalli Nagarjuna, Sheetal Kumar Dewangan, Hansung Lee… in Journal of Materials Science (2024)

  2. No Access

    Article

    Microstructural evolution and compressive properties of nanocrystalline Ti–Fe alloy fabricated via cryomilling and spark plasma sintering

    Nanostructured Ti–Fe alloys were fabricated by cryomilling and spark plasma sintering (SPS). Cryomilling was performed for 8 h in a liquid N2 atmosphere, and densification of the alloyed mixture was performed at ...

    Hansung Lee, Ashutosh Sharma, Byungmin Ahn in Journal of Materials Science (2022)

  3. No Access

    Article

    Microstructure and reactivity of cryomilled Al-Ni energetic material with nanoscale lamellar structure

    An Al-Ni alloy system with excellent energy density and mechanical performance is regarded as a novel high-energy–density material to enhance the energy emission of explosives or propellants. In this study, we...

    Ashutosh Sharma, Hansung Lee, Byungmin Ahn in Journal of Materials Science (2022)

  4. No Access

    Article

    Effect of Additive Elements (x = Cr, Mn, Zn, Sn) on the Phase Evolution and Thermodynamic Complexity of AlCuSiFe-x High Entropy Alloys Fabricated via Powder Metallurgy

    In this study, equimolar AlCuSiFe-x (x = Cr, Mn, Zn, Sn) HEAs were fabricated by mechanical alloying (MA) and spark plasma sintering methods (SPS). The MA was performed for 45 h followed by densification of powde...

    Ashutosh Sharma, Hansung Lee, Byungmin Ahn in Metals and Materials International (2022)

  5. No Access

    Article

    Controlled Valence Electron Concentration Approach to Tailor the Microstructure and Phase Stability of an Entropy-Enhanced AlCoCrFeNi Alloy

    In this study, the alloying and phase separation behaviors of AlCoCrFeNi-based high-entropy alloys (HEAs) were investigated. The valence electron concentration (VEC) of the AlCoCrFeNi HEA was modified by addin...

    Min Chul Oh, Hansung Lee, Ashutosh Sharma… in Metallurgical and Materials Transactions A (2022)