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Fine-grained α-alumina powder with high purity was prepared from boehmite sol with pseudo-boehmite as seed. The effect of the seed on the formation temperature and the particulate properties of α-Al2O3 was investigated. The results showed that pseudo-boehmite seed significantly reduced the formation temperature of α-Al2O3. The final α-Al2O3 powders had an average particle size of ~250 nm with good...
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