On the stabilization of Zr5Al3 in the Mn5Si3-type structure by interstitial oxygen

S. J. Kim; R. J. Kematick; S. S. Yi; H. F. Franzen

doi:10.1016/0022-5088(88)90075-6

On the stabilization of Zr₅Al₃ in the Mn₅Si₃-type structure by interstitial oxygen

S. J. Kim, R. J. Kematick, S. S. Yi, H. F. Franzen

Department of Chemistry & Nanoscience

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

11 Scopus citations

Abstract

The W₅Si₃-type (tetragonal) to Mn₅Si₃-type (hexagonal) phase transition in Zr₅Al₃ was studied by high temperature X-ray diffraction. It was found that dissolved oxygen was present in the octahedral origin position in arc-melted Zr₅Al₃ samples at the 0.1 wt.% level. The rate of the tetragonal to hexagonal transition was consistent with a thermally driven transition as opposed to an interstitial oxidation.

Original language	English
Pages (from-to)	55-59
Number of pages	5
Journal	Journal of The Less-Common Metals
Volume	137
Issue number	1-2
DOIs	https://doi.org/10.1016/0022-5088(88)90075-6
State	Published - 1 Feb 1988

Bibliographical note

Funding Information:
The Ames Laboratory-DOE is operated for the U.S. Department of Energy by Iowa State University under contract No. W-7405-Eng-82. This research was supported by the Office of Basic Energy Sciences, Materials Sciences Division. The assistanceo f Dr. R. A. Jacobson in making available the revised Rietveld program is gratefully acknowledged.

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10.1016/0022-5088(88)90075-6

Cite this

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title = "On the stabilization of Zr5Al3 in the Mn5Si3-type structure by interstitial oxygen",

abstract = "The W5Si3-type (tetragonal) to Mn5Si3-type (hexagonal) phase transition in Zr5Al3 was studied by high temperature X-ray diffraction. It was found that dissolved oxygen was present in the octahedral origin position in arc-melted Zr5Al3 samples at the 0.1 wt.% level. The rate of the tetragonal to hexagonal transition was consistent with a thermally driven transition as opposed to an interstitial oxidation.",

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AU - Kim, S. J.

AU - Kematick, R. J.

AU - Yi, S. S.

AU - Franzen, H. F.

N1 - Funding Information: The Ames Laboratory-DOE is operated for the U.S. Department of Energy by Iowa State University under contract No. W-7405-Eng-82. This research was supported by the Office of Basic Energy Sciences, Materials Sciences Division. The assistanceo f Dr. R. A. Jacobson in making available the revised Rietveld program is gratefully acknowledged.

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N2 - The W5Si3-type (tetragonal) to Mn5Si3-type (hexagonal) phase transition in Zr5Al3 was studied by high temperature X-ray diffraction. It was found that dissolved oxygen was present in the octahedral origin position in arc-melted Zr5Al3 samples at the 0.1 wt.% level. The rate of the tetragonal to hexagonal transition was consistent with a thermally driven transition as opposed to an interstitial oxidation.

AB - The W5Si3-type (tetragonal) to Mn5Si3-type (hexagonal) phase transition in Zr5Al3 was studied by high temperature X-ray diffraction. It was found that dissolved oxygen was present in the octahedral origin position in arc-melted Zr5Al3 samples at the 0.1 wt.% level. The rate of the tetragonal to hexagonal transition was consistent with a thermally driven transition as opposed to an interstitial oxidation.

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