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        검색결과 1

        1.
        1999.06 KCI 등재 구독 인증기관 무료, 개인회원 유료
        Ti-45.2at.%Ni-5at.%Cu and Ti-40.2at.%Ni-10atat.%Cu alloy powders were fabricated by gas atomization process. The microstructures, Shape, hardness and phase transformation behaviors of the powders were investigated by means of optical microscopy, scanning electron microscopy, micro-hardness measurement, x-ray diffraction analyses and differential scanning calorimetry. The hardness of the Ti-Ni-XCu alloy powders decreased as Cu-content increased. The x-ray diffraction analyses were carried out for powders without heat treatment, and those that treated at 85 for an hour in a vaccum state( torr) and then quenched into ice water. The intensity of B phase increased with heat treating. The monoclinic B martensite was formed in the Ti-Ni-XCu alloy powders during cooling.
        4,000원