Formation of amorphous Al2O3phase on aluminum alloy by in-situ laser cladding

Tai Man Yue, K. J. Huang, Hau Chung Man

Research output: Journal article publicationJournal articleAcademic researchpeer-review

8 Citations (Scopus)


The synthesis of Al2O3amorphous phase on aluminum alloy 7075 was analyzed using in-situ laser cladding through thermite reaction between CuO and Al powders. The mixed powders of CuO(3 mol) + Al(2 mol) + SiO2(3 mol) were placed on an Al-7075 alloy substrate using a pasting binder. At top of Al2O3reaction layer, a complete amorphous structure of Al2O3phase was present and underneath it, a structure consisting of an amorphous Al2O3phase. The results show that top surface layer will experience highest cooling rate and an amorphous Al2O3phase could be formed at outermost surface of Al2O3reaction layer.
Original languageEnglish
Pages (from-to)6599-6602
Number of pages4
JournalJournal of Materials Science
Issue number21
Publication statusPublished - 1 Nov 2004

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering


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