AlN powder synthesis via nitriding reaction of aluminum sub-chloride

T. Ohhashi*, T. Nishida, M. Sugiura, A. Fuwa

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    4 Citations (Scopus)


    In this investigation, aluminum nitride powder was successfully synthesized by the reaction of ammonia with a mixture of aluminum chloride vapor species (AlClx; x = 1, 2 and 3) in a flow-tube reactor at 1000 and 1200 K. These aluminum chloride vapor species were produced by reacting chlorine with molten aluminum in the flow-tube reactor at the same temperature as synthetic temperature. The aluminum nitride powders synthesized under various ammonia concentrations were characterized for size distribution, mean particle size and particle morphology. Those synthesized at the higher temperature had a mean particle size of 0.2 to 0.4 μm with a narrow size distribution range.

    Original languageEnglish
    Pages (from-to)541-547
    Number of pages7
    Journalmaterials transactions, jim
    Issue number6
    Publication statusPublished - 1993 Jun

    ASJC Scopus subject areas

    • General Engineering


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