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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:1286812
 [1];  [1];  [2];  [2];  [1];  [3];  [3];  [1]
  1. City Univ. of Hong Kong (China)
  2. State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing (China)
  3. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
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 Zr56Cu36Al8, an average glass former, follows continuous nucleation and growth, while that of Zr46Cu46Al8, 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.
Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). Spallation Neutron Source
Sponsoring Organization:
USDOE; USDOE Office of Science (SC)
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1286812
Alternate ID(s):
OSTI ID: 1330512
OSTI ID: 1224304
OSTI ID: 22391999
Journal Information:
Applied Physics Letters, Journal Name: Applied Physics Letters Journal Issue: 20 Vol. 105; ISSN 0003-6951
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English

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Cited By (5)

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

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