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  1. No Access

    Article

    Effect of welding heat input on microstructure and mechanical properties of simulated HAZ in Cu containing microalloyed steel

    The influence of weld thermal simulation on ICGC HAZ microstructure and mechanical properties of Cu containing Nb-Ti-microalloyed steel has been investigated. Low heat input of 0.7 kJ/mm (simulated fast coolin...

    Amer E. Amer, Min Y. Koo, Kyong H. Lee, Sang H. Kim… in Journal of Materials Science (2010)

  2. No Access

    Article

    Effects of microstructure on flexural strength of biomorphic C/SiC composites

    Biomorphic C/SiC composites were fabricated from different kinds of wood by liquid silicon infiltration (LSI) following a two-step process. In the first-step, the wood is converted into carbon preforms by pyro...

    Hee S. Park, Jong J. Jang, Kyong H. Lee, Kwang H. Lim… in International Journal of Fracture (2008)

  3. No Access

    Article

    Superconductivity of YBCO Thick Films Prepared by Spark Plasma Sintering

    YBa2Cu3O x (YBCO) superconducting thick films have been fabricated on Cu substrates, using a simple screen-printing method from Cu-free powders (Y2O3 and BaCO3). However, such f...

    Youngha Kim, Kyong H. Lee, Tae-Hyun Sung, Sang-Chul Han… in Journal of Electronic Materials (2007)