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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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The microstructure of as-quenched Al70Cu18Mg12 alloy has been investigated in detail using transmission electron microscopy. Al nano-crystals about 5 nm with a high density are distributed in the amorphous matrix, indicating amorphous matrix nano-composite can be synthesized in Al-Cu-Mg alloy. The high density of Al nano-crystals indicates very high nucleation rate and sluggish growth rate during crystallization possibly due to limited diffusion rate of solute atoms of Cu and Mg during solute partitioning. The result of hardness measurement shows that the mechanical properties can be improved by designing a nano-composite structure where nanometer scale crystals are embedded in the amorphous matrix.
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참고문헌 (10)
참고문헌 신청
Aburada T / 2011 / Pitting and dealloying of solute-rich Al-Cu-Mg-based amorphous alloys: effect of alloying with minor concentrations of nickel / J. Electrochem. Soc 158 : C
Greer A L / 1994 / Crystallization of metallic glasses / Mat. Sci. Eng. A-Struct 179 : 41 ~ 45
Greer A L / 2001 / Partially or fully devitrified alloys for mechanical properties / Mat. Sci. Eng. A-Struct 304 : 68 ~ 72
James P F / 1975 / Liquid-phase separation in glass-forming systems / J. Mater. Sci 10 : 1802 ~ 1825
Kim S J / 2012 / Exploiting metallic glasses for 19.6%efficient back contact solar cell / Appl. Phys. Lett 101 : 064106 ~
Greer A L / 1994 / Crystallization of metallic glasses / Mat. Sci. Eng. A-Struct 179 : 41 ~ 45
Greer A L / 2001 / Partially or fully devitrified alloys for mechanical properties / Mat. Sci. Eng. A-Struct 304 : 68 ~ 72
James P F / 1975 / Liquid-phase separation in glass-forming systems / J. Mater. Sci 10 : 1802 ~ 1825
Kim S J / 2012 / Exploiting metallic glasses for 19.6%efficient back contact solar cell / Appl. Phys. Lett 101 : 064106 ~
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