Glass formation in a ZrAlNiCuCo alloy by ball milling of an intermetallic phase mixture

Glass formation by ball milling of a mixture of intermetallic phases with composition Zr 60Al 10Ni 9Cu 18Co 3 was investigated by X-ray diffraction and thermal analysis and compared with glassy phases produced by liquid undercooling and ball milling of an elemental powder mixture of same composition...

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Bibliographic Details
Published in:Materials letters 1997-12, Vol.33 (3), p.123-127
Main Authors: Sagel, A., Wunderlich, R.K., Fecht, H.-J.
Format: Article
Language:English
Subjects:
Applied sciences
Ball milling
Exact sciences and technology
Intermetallic phases
Metal powders
Metallic glass
Metals. Metallurgy
Powder metallurgy. Composite materials
Production techniques
Rapid quenching
Specific heat
Zirconium-based alloy
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Summary:Glass formation by ball milling of a mixture of intermetallic phases with composition Zr 60Al 10Ni 9Cu 18Co 3 was investigated by X-ray diffraction and thermal analysis and compared with glassy phases produced by liquid undercooling and ball milling of an elemental powder mixture of same composition. The so obtained amorphous phase reveals a distinct glass transition and a large stability range of the highly undercooled melt of 95 K. It is believed that this is by far the widest temperature range of a highly undercooled melt found for ball milled amorphous materials.
ISSN:0167-577X
1873-4979
DOI:10.1016/S0167-577X(97)00086-4