Abstract
α-Al2O3 powders with different grain sizes and morphologies have been synthesized in the system of Al - 1, 4-butadional by glycothermal treatment. The effects of reaction temperature, and reaction time on synthesis of α-Al2O3 powders have been investigated. After the glycothermal treatment, the morphologies of α-Al2O3 powders are mainly hexagonal platelets, hexagonal prism, and icohedron. The crystal habits of α-Al2O3 powders have been also discussed.
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