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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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The crystallization behavior in the Al87Ni3Y10 and Al88Ni3Y9 amorphous alloys has been investigated. As-quenched Al87Ni3Y10 amorphous phase decomposes by simultaneous formation of Al and intermetallic phase at the first crystallization step, while as-quenched Al88Ni3Y9 amorphous phase decomposes by forming Al nanocrystals in the amorphous matrix. The density of Al nanocrystals is extremely high and the size distribution is homogeneous. Such a microstructure can result from rapid explosion of the nucleation event in the amorphous matrix or growth of the preexisting nuclei embedded in the as-quenched amorphous matrix. The final equilibrium crystalline phases and their distribution at 873 K are exactly same in both Al87Ni3Y10 and Al88Ni3Y9 alloys.
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참고문헌 (5)
참고문헌 신청
Allen D / 1998 / Nanocrystal development during primary crystallization of amorphous alloys / Acta Mater 46 : 431 ~ 440
Battezzati L / 2004 / Devitrification of Al-Ni- Rare earth amorphous alloys / J. Mater. Sci 39 : 3927 ~ 3934
Inoue A / 1988 / Aluminum-based amorphous alloys with tensile strength above 980 MPa (100 kg/ mm2) / Jpn. J. Appl. Phys 27 : 479 ~ 482
Inoue A / 1998 / Amorphous, nanoquasicrystalline and nanocrystalline alloys in Al-based systems / Prog. Mater. Sci 43 : 365 ~ 520
Sahoo K / 2005 / Crystallization behavior and microhardness evolution in Al92-xNi8Lax amorphous alloys / J. Mater. Res 20 : 2927 ~ 2933
Battezzati L / 2004 / Devitrification of Al-Ni- Rare earth amorphous alloys / J. Mater. Sci 39 : 3927 ~ 3934
Inoue A / 1988 / Aluminum-based amorphous alloys with tensile strength above 980 MPa (100 kg/ mm2) / Jpn. J. Appl. Phys 27 : 479 ~ 482
Inoue A / 1998 / Amorphous, nanoquasicrystalline and nanocrystalline alloys in Al-based systems / Prog. Mater. Sci 43 : 365 ~ 520
Sahoo K / 2005 / Crystallization behavior and microhardness evolution in Al92-xNi8Lax amorphous alloys / J. Mater. Res 20 : 2927 ~ 2933
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