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  1. No Access

    Article

    PAS consolidating behavior of mechanically alloyed nanocrystalline NiAl intermetallic compound

    In this study, nanocrystalline NiAl intermetallic compound was obtained by mechanical alloying and PAS (plasma activated sintering method). Nanocrystalline NiAl powder was fabricated after 30 hr of milling wit...

    Jae Woong Choi, Sung Goon Kang in Metals and Materials International (2003)

  2. No Access

    Article

    Pre-annealing effect of electroless Ni−B deposit as a diffusion barrier for electroplated Cu electrodes

    Ni−B film of 1 μm thickness was electrolessly deposited on an electroplated Cu bus electrode. The film, which encapsulates the Cu bus electrodes, prevents Cu oxidation and serves as a diffusion barrier against...

    Jae Woong Choi, Gil Ho Hwang, Won Kyu Han… in Metals and Materials International (2006)

  3. No Access

    Article

    Performance Degradation of TiN-and TiC-deposited AISI316 bipolar plates for proton exchange membrane fuel cells

    TiN and TiC were deposited on AISI316 bipolar plates for proton exchange membrane fuel cells (PEMFCs) and their effects on the corrosion resistance and overall cell performance were investigated. TiN with a Ti...

    Hee Yeol Lee, Jae Woong Choi, Gil Ho Hwang… in Metals and Materials International (2006)

  4. No Access

    Article

    Effect of Cu on the surface hardness of Ni−B coating for the strengthening of the Cu surface

    In this paper, the effect of Cu on the decrease of the surface hardness of a Ni−B layer electrolessly coated was investigated. Ni3B crystallized at approximately 300 °C was decomposed to metallic Ni and free B af...

    Jae Woong Choi, Gil Ho Hwang, Won Kyu Han… in Metals and Materials International (2007)