Ultra-precision machining induced phase decomposition at surface of Zn-Al based alloy

Suet To, Y. H. Zhu, Wing Bun Lee

Research output: Journal article publicationJournal articleAcademic researchpeer-review

3 Citations (Scopus)


The microstructural changes and phase transformation of an ultra-precision machined Zn-Al based alloy were examined using X-ray diffraction and back-scattered electron microscopy techniques. Decomposition of the Zn-rich η phase and the related changes in crystal orientation was detected at the surface of the ultra-precision machined alloy specimen. The effects of the machining parameters, such as cutting speed and depth of cut, on the phase decomposition were discussed in comparison with the tensile and rolling induced microstrucutural changes and phase decomposition.
Original languageEnglish
Pages (from-to)2165-2170
Number of pages6
JournalApplied Surface Science
Issue number4
Publication statusPublished - 15 Dec 2006


  • Phase decomposition
  • Tensile deformation
  • Ultra-precision machining
  • Zn-Al alloys

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films
  • Condensed Matter Physics


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