This paper proposes new preparation methods for alumina-tetragonal zirconia-Ca or Sr hexaluminate composites. Two powder preparation routes were explored. In the first, aluminium and calcium or strontium nitrate hydrates were added to alumina zirconia powders and in the second only calcium ol strontium nitrate hydrates were used. Powders produced by the second route are to be preferred since reinforcements do not inhibit the composite sintering process. (C) 1999 Elsevier Science Limited. All rights reserved.
The synthesis of calcium or strontium hexaluminate added ZTA composite ceramics
MASCHIO, Stefano
1999-01-01
Abstract
This paper proposes new preparation methods for alumina-tetragonal zirconia-Ca or Sr hexaluminate composites. Two powder preparation routes were explored. In the first, aluminium and calcium or strontium nitrate hydrates were added to alumina zirconia powders and in the second only calcium ol strontium nitrate hydrates were used. Powders produced by the second route are to be preferred since reinforcements do not inhibit the composite sintering process. (C) 1999 Elsevier Science Limited. All rights reserved.File in questo prodotto:
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