摘要 |
<p>The invention relates to a doping method for the sintering of a-alumina, comprising the following steps: preparation of a powder suspension of a-alumina in a continuously stirred solvent; addition of an aluminium alkoxide solution, by way of a dopant, in an inert atmosphere; drying, in order to remove the solvent, until a dry powder is obtained, which powder is screened and calcined; attrition milling of the calcined, dried and screened powder; production of the green body using any of the existing techniques, preferably cold isostatic press forming; and furnace sintering of the resulting green body. The invention also relates to the use of polycrystalline a-alumina material to produce optical components or structural technical ceramics.</p> |
申请人 |
CONSEJO SUPERIOR DE INVESTIGACIONES CIENTIFICAS;SUAREZ MENENDEZ, MARTA;FERNANDEZ VALDES, ADOLFO;TORRECILLAS SAN MILLAN, RAMON;MENENDEZ RIO, JOSE, LUIS;PECHARROMAN GARCIA, CARLOS |
发明人 |
SUAREZ MENENDEZ, MARTA;FERNANDEZ VALDES, ADOLFO;TORRECILLAS SAN MILLAN, RAMON;MENENDEZ RIO, JOSE, LUIS;PECHARROMAN GARCIA, CARLOS |