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  1. No Access

    Article

    Microstructure evolution in Zr under equal channel angular pressing

    Pure polycrystalline Zr was deformed by equal channel angular pressing (ECAP), and the microstructural characteristics were analyzed. By repeated alternating ECAP, it was possible to refine the grain size from...

    W. S. Choi, H. S. Ryoo, S. K. Hwang… in Metallurgical and Materials Transactions A (2002)

  2. No Access

    Article

    Microstructure evolution in Zr under equal channel angular pressing

    Pure polycrystalline Zr was deformed by equal channel angular pressing (ECAP), and the microstructural characteristics were analyzed. By repeated alternating ECAP, it was possible to, refine the grain size fro...

    W. S. Choi, H. S. Ryoo, S. K. Hwang… in Metallurgical and Materials Transactions A (2002)

  3. No Access

    Article

    The Hot Carrier Degradation and Device Characteristics with Variation of Pre-Metal Dielectric Materials

    It is very important to select superior interlayer Pre Metal Dielectric (PMD) materials which can act as a penetration barrier to various impurities created by the Chemical Mechanical Polishing (CMP) processes...

    Y. J. Seo, W. S. Choi, S. Y. Kim, C. I. Kim, E. G. Chang… in MRS Online Proceedings Library (1998)