Peker, A. and Johnson, W.L. (1993) A highly processable metallic glass: Zr41.2Ti13.8Cu12.5Ni10.0Be22.5. Applied Physics Letters, 63 (17). pp. 2342-2344. ISSN 0003-6951. http://resolver.caltech.edu/CaltechAUTHORS:PEKapl93
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We report on the properties of one example of a new family of metallic alloys which exhibit excellent glass forming ability. The critical cooling rate to retain the glassy phase is of the order of 10 K/s or less. Large samples in the form of rods ranging up to 14 mm in diameter have been prepared by casting in silica containers. The undercooled liquid alloy has been studied over a wide range of temperatures between the glass transition temperature and the thermodynamic melting point of the equilibrium crystalline alloy using scanning calorimetry. Crystallization of the material has been studied. Some characteristic properties of the new material are presented. The origins of exceptional glass forming ability of these new alloys are discussed.
|Additional Information:||Copyright © 1993 American Institute of Physics (Received 28 June 1993; accepted 24 August 1993) The authors would like to acknowledge the support of ATI Corp. for the present work. Partial support in the later stages of the work by DOE under Grant No. DEFGO3-86ER45242 is also gratefully acknowledged.|
|Subject Keywords:||NICKEL ALLOYS; TITANIUM ALLOYS; COPPER ALLOYS; ZIRCONIUM ALLOYS; BERYLLIUM ALLOYS; METALLIC GLASSES; CASTING; GROWTH; PHASE TRANSFORMATIONS; PHASE STABILITY; MELTING; CRYSTALLIZATION; FREE ENERGY; GLASS TRANSFORMATIONS|
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|Deposited On:||19 Jan 2006|
|Last Modified:||26 Dec 2012 08:44|
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