Pseudo-binary phase diagram for Zr-based in situ β phase composites

S. Y. Lee; C. P. Kim; J. D. Almer; U. Lienert; E. Ustundag; W. L. Johnson

doi:10.1557/jmr.2007.0066

Pseudo-binary phase diagram for Zr-based in situ β phase composites

S. Y. Lee^*, C. P. Kim, J. D. Almer, U. Lienert, E. Ustundag, W. L. Johnson

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

38 Citations (Scopus)

Abstract

The pseudo-binary (quasi-equilibrium) phase diagram for Zr-based bulk metallic glasses with crystalline in situ precipitates (β phase) has been constructed from high-temperature phase information and chemical composition analysis. The phase evolution was detected in situ by high-energy synchrotron x-ray diffraction followed by Rietveld analysis of the data for volume fraction estimation. The phase diagram delineates phase fields and allows the control of phase fractions. Combined with related previous work by the authors, this diagram offers a unique opportunity to control both the morphology and volume of the dendritic β phase precipitates to enhance the properties of the composites.

Original language	English
Pages (from-to)	538-543
Number of pages	6
Journal	Journal of Materials Research
Volume	22
Issue number	2
DOIs	https://doi.org/10.1557/jmr.2007.0066
Publication status	Published - Feb 2007
Externally published	Yes

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title = "Pseudo-binary phase diagram for Zr-based in situ β phase composites",

abstract = "The pseudo-binary (quasi-equilibrium) phase diagram for Zr-based bulk metallic glasses with crystalline in situ precipitates (β phase) has been constructed from high-temperature phase information and chemical composition analysis. The phase evolution was detected in situ by high-energy synchrotron x-ray diffraction followed by Rietveld analysis of the data for volume fraction estimation. The phase diagram delineates phase fields and allows the control of phase fractions. Combined with related previous work by the authors, this diagram offers a unique opportunity to control both the morphology and volume of the dendritic β phase precipitates to enhance the properties of the composites.",

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AU - Lee, S. Y.

AU - Kim, C. P.

AU - Almer, J. D.

AU - Lienert, U.

AU - Ustundag, E.

AU - Johnson, W. L.

PY - 2007/2

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AB - The pseudo-binary (quasi-equilibrium) phase diagram for Zr-based bulk metallic glasses with crystalline in situ precipitates (β phase) has been constructed from high-temperature phase information and chemical composition analysis. The phase evolution was detected in situ by high-energy synchrotron x-ray diffraction followed by Rietveld analysis of the data for volume fraction estimation. The phase diagram delineates phase fields and allows the control of phase fractions. Combined with related previous work by the authors, this diagram offers a unique opportunity to control both the morphology and volume of the dendritic β phase precipitates to enhance the properties of the composites.

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JO - Journal of Materials Research

JF - Journal of Materials Research

IS - 2

ER -

Pseudo-binary phase diagram for Zr-based in situ β phase composites

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