Glass Forming Ability and Magnetic Properties of (Fe68B25Nd7)96Nb4 Bulk Metallic Glass

Y. Cao; G. Chen; Yi Li

doi:10.4028/www.scientific.net/KEM.426-427.629

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 426-427Glass Forming Ability and Magnetic Properties of...

Glass Forming Ability and Magnetic Properties of (Fe₆₈B₂₅Nd₇)₉₆Nb₄ Bulk Metallic Glass

Abstract:

Flakes with a size of 20×4×0.8mm3 and rods of (Fe68B25Nd7)96Nb4 bulk metallic glass (BMG) with a diameter of 1.5 and 3mm were cast. Rods a diameter of 1.5 mm were proven to be XRD amorphous. High vacuum environment during the fabrication will benefit the formation of fully amorphous BMG. The super-cooled liquid regions of (Fe68B25Nd7)96Nb4 is 59°C and the reduced glass transition temperature is 0.624 indicating good glass-forming ability. The critical cooling rate for glass formation for (Fe68B25Nd7)96Nb4 melt is about 294°C/s by computer simulation (Fe68B25Nd7)96Nb4 BMG shows soft magnetic property while partially crystallized sample shows hard magnetic property.

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Periodical:

Key Engineering Materials (Volumes 426-427)

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629-632

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https://doi.org/10.4028/www.scientific.net/KEM.426-427.629

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Online since:

January 2010

Authors:

Y. Cao, G. Chen, Yi Li

Keywords:

Bulk Metallic Glass (BMG), Glass Forming Ability (GFA), Magnetic Property

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