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  1. No Access

    Article

    End Closure Joining of Ferritic-Martensitic and Oxide-Dispersion Strengthened Steel Cladding Tubes by Magnetic Pulse Welding

    The magnetic pulse welding (MPW) technique was employed for the end closure joining of fuel pin cladding tubes made of ferritic-martensitic (FM) steel and oxide-dispersion strengthened (ODS) steel. The techniq...

    Jung-Gu Lee, **-Ju Park, Min-Ku Lee… in Metallurgical and Materials Transactions A (2015)

  2. No Access

    Article

    Enhanced thermal conductivity of nanofluids containing graphene nanoplatelets prepared by ultrasound irradiation

    Stable ethylene glycol (EG)-based nanofluids containing graphene nanoplatelets (GnPs) were prepared by intensive ultrasonication without any surfactant. The structural properties of the commercially produced G...

    Gyoung-Ja Lee, Chang Kyu Rhee in Journal of Materials Science (2014)

  3. Article

    Open Access

    Round-robin test on thermal conductivity measurement of ZnO nanofluids and comparison of experimental results with theoretical bounds

    Ethylene glycol (EG)-based zinc oxide (ZnO) nanofluids containing no surfactant have been manufactured by one-step pulsed wire evaporation (PWE) method. Round-robin tests on thermal conductivity measurements o...

    Wook-Hyun Lee, Chang-Kyu Rhee, Junemo Koo, Jaekeun Lee… in Nanoscale Research Letters (2011)

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    Article

    Expansion of a low conductive metal tube by an electromagnetic forming process: Finite element modeling

    The expansion of a metal tube by means of an electromagnetic forming (EMF) process is attractive because EMF has a high forming rate and can reduce residual stress. The forming forces in EMF are Lorentz forces...

    Chansun Shin, Hyung Ha **, Jung Gu Lee, Dong-** Lee… in Metals and Materials International (2008)

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    Article

    Formation characteristics of an aluminum hydroxide fiber by a hydrolysis of aluminum nano powder

    Formation of aluminum hydroxide by a hydrolytic reaction of nano aluminum powder synthesized by a pulsed wire evaporation (PWE) method has been studied. The type and morphology of the hydroxides were investiga...

    Young Hwa Oh, Chang Kyu Rhee, Do Hyang Kim, Geun Hee Lee… in Journal of Materials Science (2006)

  6. No Access

    Article

    The effect of temperature of magnetic pulsed compaction on the characteristics of nanostructured aluminum compacts

    Magnetic pulse compaction (MPC) allows one to maintain a nanostructured state in nano powder metallic compacts and to achieve near theoretical density. In this study, nano Al powders of about 80 nm in diameter...

    Geun Hee Lee, Chang Kyu Rhee, Whung Whoe Kim… in Metals and Materials International (2003)

  7. No Access

    Article

    Liquid impact erosion mechanism and theoretical impact stress analysis in TiN-coated steam turbine blade materials

    Coating of TiN film was done by reactive magnetron sputter ion plating to improve the liquid impact erosion resistance of steam turbine blade materials, 12Cr steel and Stellite 6B, for nuclear power plant appl...

    Min Ku Lee, Whung Whoe Kim, Chang Kyu Rhee… in Metallurgical and Materials Transactions A (1999)