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In-situ study of crystallization kinetics in ternary bulk metallic glass alloys with different glass forming abilities

Journal Article · · Applied Physics Letters
DOI:https://doi.org/10.1063/1.4901905· OSTI ID:22391999
; ; ;  [1]; ;  [2]; ;  [3]
  1. Department of Physics and Materials Science, City University of Hong Kong, 83 Tat Chee Ave., Kowloon (Hong Kong)
  2. State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing, Beijing (China)
  3. Chemical and Engineering Materials Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831 (United States)
+ Show Author Affiliations
In-situ transmission electron microcopy and time-resolved neutron diffraction were used to study crystallization kinetics of two ternary bulk metallic glasses during isothermal annealing in the supercooled liquid region. It is found that the crystallization of Zr{sub 56}Cu{sub 36}Al{sub 8}, an average glass former, follows continuous nucleation and growth, while that of Zr{sub 46}Cu{sub 46}Al{sub 8}, a better glass former, is characterized by site-saturated nucleation, followed by slow growth. Possible mechanisms for the observed differences and the relationship to the glass forming ability are discussed.
OSTI ID:
22391999
Journal Information:
Applied Physics Letters, Journal Name: Applied Physics Letters Journal Issue: 20 Vol. 105; ISSN APPLAB; ISSN 0003-6951
Country of Publication:
United States
Language:
English

Cited By (5)

A high temperature gas flow environment for neutron total scattering studies of complex materials journal September 2018
Precise implications for real-space pair distribution function modeling of effects intrinsic to modern time-of-flight neutron diffractometers journal June 2018
Elucidating the nature of crystallization kinetics in Zr 46 Cu 46 Al 8 metallic glass through simultaneous WAXS/SAXS measurements journal May 2019
From Rate Measurements to Mechanistic Data for Condensed Matter Reactions: A Case Study Using the Crystallization of [Zn(OH2)6][ZnCl4] journal December 2016
A suite-level review of the neutron powder diffraction instruments at Oak Ridge National Laboratory journal September 2018

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Related Subjects

75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALLOYS
ALUMINIUM COMPOUNDS
ANNEALING
COPPER COMPOUNDS
CRYSTALLIZATION
ELECTRONS
METALLIC GLASSES
NEUTRON DIFFRACTION
NUCLEATION
TIME RESOLUTION
ZIRCONIUM COMPOUNDS