발간논문

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Vol.26, No.8, 822 ~ 828, 1988
Title
New Aluminum - Based Amorphous Alloys with High Strength and Good Ductility
Akihisa Inoue, Tsuyoshi Masumoto
Abstract
New Al-based amorphous alloys with high strength, good ductility and high corrosion resistance have been produced by liquid quenching in Al-Y-Ni and Al-La-Ni systems. The tensile fracture strength (σ_f) and Vickers hardness reach 1140 MPa and 300 DPN for Al_(87)Y_8Ni_5 and 1080 Mpa and 260 DPN for Al_(87)La_8Ni_5. The specific strengths, defined by the ratio of σ₁to density, are as high as 34 to 38, which is much higher than those for conventional alloy steels, Al-based alloys, and Ti-based alloys. These new Al-base amorphous alloys are effected to be used in many applications as a new type of high-strength material with low density and high corrosion resistance.
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