Pressure effect on crystallization kinetics in Zr46.8Ti8.2Cu7.5Ni10Be27.5 bulk glass

Jianzhong Jiang, Leif Gerward, Y.S. Xu

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Abstract

Crystallization kinetics of a Zr46.8Ti8.2Cu7.5Ni10Be27.5 bulk glass in the supercooled liquid region have been investigated by performing in situ high-temperature and high-pressure x-ray diffraction measurements using synchrotron radiation. A pressure-time-temperature-transformation diagram, describing the onset of crystallization as a function of time during isothermal annealing under pressure, is presented. Different pressure dependences of crystallization kinetics in the temperature range for the glass have been observed and further be explained by a model of competing processes of the thermodynamic potential barrier of nucleation and the diffusion activation energy under pressure.
Original languageEnglish
JournalApplied Physics Letters
Volume81
Issue number23
Pages (from-to)4347-4349
ISSN0003-6951
DOIs
Publication statusPublished - 2002

Bibliographical note

Copyright (2002) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.

Keywords

  • AMORPHOUS-ALLOYS
  • DIFFUSION
  • NI
  • QUASI-CRYSTALS
  • SUPERCOOLED LIQUID REGION
  • PHASE-TRANSFORMATION
  • DEPENDENCE
  • METALLIC-GLASS

Cite this

Jiang, Jianzhong ; Gerward, Leif ; Xu, Y.S. / Pressure effect on crystallization kinetics in Zr46.8Ti8.2Cu7.5Ni10Be27.5 bulk glass. In: Applied Physics Letters. 2002 ; Vol. 81, No. 23. pp. 4347-4349.
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abstract = "Crystallization kinetics of a Zr46.8Ti8.2Cu7.5Ni10Be27.5 bulk glass in the supercooled liquid region have been investigated by performing in situ high-temperature and high-pressure x-ray diffraction measurements using synchrotron radiation. A pressure-time-temperature-transformation diagram, describing the onset of crystallization as a function of time during isothermal annealing under pressure, is presented. Different pressure dependences of crystallization kinetics in the temperature range for the glass have been observed and further be explained by a model of competing processes of the thermodynamic potential barrier of nucleation and the diffusion activation energy under pressure.",
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Pressure effect on crystallization kinetics in Zr46.8Ti8.2Cu7.5Ni10Be27.5 bulk glass. / Jiang, Jianzhong; Gerward, Leif; Xu, Y.S.

In: Applied Physics Letters, Vol. 81, No. 23, 2002, p. 4347-4349.

Research output: Contribution to journalJournal articleResearchpeer-review

TY - JOUR

T1 - Pressure effect on crystallization kinetics in Zr46.8Ti8.2Cu7.5Ni10Be27.5 bulk glass

AU - Jiang, Jianzhong

AU - Gerward, Leif

AU - Xu, Y.S.

N1 - Copyright (2002) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.

PY - 2002

Y1 - 2002

N2 - Crystallization kinetics of a Zr46.8Ti8.2Cu7.5Ni10Be27.5 bulk glass in the supercooled liquid region have been investigated by performing in situ high-temperature and high-pressure x-ray diffraction measurements using synchrotron radiation. A pressure-time-temperature-transformation diagram, describing the onset of crystallization as a function of time during isothermal annealing under pressure, is presented. Different pressure dependences of crystallization kinetics in the temperature range for the glass have been observed and further be explained by a model of competing processes of the thermodynamic potential barrier of nucleation and the diffusion activation energy under pressure.

AB - Crystallization kinetics of a Zr46.8Ti8.2Cu7.5Ni10Be27.5 bulk glass in the supercooled liquid region have been investigated by performing in situ high-temperature and high-pressure x-ray diffraction measurements using synchrotron radiation. A pressure-time-temperature-transformation diagram, describing the onset of crystallization as a function of time during isothermal annealing under pressure, is presented. Different pressure dependences of crystallization kinetics in the temperature range for the glass have been observed and further be explained by a model of competing processes of the thermodynamic potential barrier of nucleation and the diffusion activation energy under pressure.

KW - AMORPHOUS-ALLOYS

KW - DIFFUSION

KW - NI

KW - QUASI-CRYSTALS

KW - SUPERCOOLED LIQUID REGION

KW - PHASE-TRANSFORMATION

KW - DEPENDENCE

KW - METALLIC-GLASS

U2 - 10.1063/1.1527227

DO - 10.1063/1.1527227

M3 - Journal article

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