Sol‐gel Cyclic Self‐Production of α‐Al2O3 Nanoseeds as a Convenient Route for the Low Cost Preparation of Dense Submicronic Alumina Sintered Monoliths
2002
The excellent properties of α-Al2O 3 are extremely dependent on the microstructural characteristics of the ceramic materials, which stress out the importance of designing new processing routes and/or improving the existing ones to reach a rigorous microstructural control on the final material. Here, a novel sol-gel self-production method for α-Al 2 O 3 seeds and their application in-situ is demonstrated. The authors show that within an α-Al 2 O 3 seed production cycle with input of a low-cost raw material, pseudoboehmite is adequate for the production of high-densified submicronic α-Al 2 O 3 monoliths.
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