Phase constitution in melt-spun Al-10 wt% Y

  • M. A. Al-Khafaji
  • , Y. Li
  • , W. M. Rainforth
  • , H. Jones

Research output: Contribution to journalArticlepeer-review

Abstract

A rapidly solidified Al-10 wt% Y alloy has been examined by X-ray diffraction and analytical electron microscopy. An α-Al cellular structure was obtained with intercellular ‘Al4Y’. The ‘Al4Y’ was determined to be tetragonal with a space group of 14/mmrn, in agreement with some earlier studies. An orientation relationship with [011] Al nearly parallel to [110] Al4Y was identified. An additional phase which is morphologically and chemically similar to the tetragonal Al4Y was also observed in small quantities. This was tentatively identified as orthorhombic, but insufficient data were available to determine fully the crystal structure.

Original languageEnglish
Pages (from-to)1129-1137
Number of pages9
JournalPhilosophical Magazine B: Physics of Condensed Matter; Statistical Mechanics, Electronic, Optical and Magnetic Properties
Volume70
Issue number5
DOIs
StatePublished - Nov 1994
Externally publishedYes

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