Synthesis and Investigation of the Properties of Al 2 O 3 –Y 2 O 3 Powders Using Nanospray Drying
Reviews and Advances in Chemistry(2023)
Abstract
We isolated Al 2 O 3 –Y 2 O 3 powders using two different methods: filtration and nanospray drying. The obtained samples were investigated using thermogravimetry, differential scanning calorimetry, X-ray phase analysis, BET, and scanning electron microscopy. We examined the processes of linear shrinkage during thermal and compression consolidation using field-assisted sintering. A comparative analysis of the powders obtained by the two methods was conducted and the results are presented and discussed. A powder containing 96 vol % of the Y 3 Al 5 O 12 phase can be produced through calcination of the precursor obtained by nanospray drying at 1100°C for 10 min.
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Key words
al2o3–y2o3 powders,nanospray drying
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