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High-energy ball milling had a great influence on phase formation and morphology development of mullite derived from oxide precursors. Mullite phase was formed at 1300 o C in an oxide mixture of Al 2 O 3 and quartz without high-energy ball milling and the mullitization was not complete up to 1500 o C. After milling for 5h, the mullitization temperature was reduced by...
The effect of alkaline-earth oxides, including MgO, CaO, SrO and BaO, on the phase formation and morphology development of mullite (3Al 2 O 3 .2SiO 2 ) ceramics from oxide mixtures activated by a high-energy ball milling process, were investigated. Different alkaline-earth oxides demonstrated different influences on the mullitization behavior and morphology/microstructure development...
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