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Effects of Oxygen on Meta-stable Phase Formation in Zr80Pt20 Melt Spun Ribbons

Published online by Cambridge University Press:  01 February 2011

Daniel Sordelet ,
Xiaoyun Yang ,
Elena Rozhkova ,
Matthew Besser  and
Matthew Kramer
Daniel Sordelet
Affiliation:
Materials and Engineering Physics Program, Ames Laboratory (USDOE), Iowa State University, Ames IA 50011 (USA)
Xiaoyun Yang
Affiliation:
Materials and Engineering Physics Program, Ames Laboratory (USDOE), Iowa State University, Ames IA 50011 (USA)
Elena Rozhkova
Affiliation:
Materials and Engineering Physics Program, Ames Laboratory (USDOE), Iowa State University, Ames IA 50011 (USA)
Matthew Besser
Affiliation:
Materials and Engineering Physics Program, Ames Laboratory (USDOE), Iowa State University, Ames IA 50011 (USA)
Matthew Kramer
Affiliation:
Materials and Engineering Physics Program, Ames Laboratory (USDOE), Iowa State University, Ames IA 50011 (USA)
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Abstract

This report continues previous studies that show melt spun Zr80Pt20 ribbons having oxygen contents ranging from <200 to approximately 5000 mass ppm form various meta-stable phases during quenching. In the presence of sufficient oxygen, a big cube Zr6Pt3O phase forms, but this structure is de-stabilized towards an icosahedral quasicrystalline structure at lower oxygen levels. Further reduction of oxygen promotes increasingly stable Zr-Pt bonds, and a meta-stable β-Zr(Pt) structure is formed.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 805: Symposium LL – Quasicrystals , 2003 , LL1.4
Copyright
Copyright © Materials Research Society 2004

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References

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