| 简介 |
A sinterized material that includes/understands : from 98 to 50% in volume of circonia like matrix, that is stabilized with i) any amount of 2 to 3 percent to molar of itria; II) or of 10 to 15 percent to molar of ceria; III) or one mixes of ceria and itria in the interval of amounts given in i) and II) where they do not exceed maximum unaestabilización of 3 percent to molar regarding itria pure and 15 percent to molar purarespectivamente regarding ceria, not being included 3 percent to molar of itria and 15 percent to molar of ceria, and in dondeel term percentage to molar talks about to the matrix of circonia and where the matrix of circonia can obtenersea divide of a) a particle dust of circonia which the particles half have so large of particle de<=μb) are covered with stabilizing oxides itria and/or ceria for stabilization of lacirconia, c) is realised a stabilization of tetragonal phase by a reaction of diffusion by the process of sintering, and 2 to 50% in volume of alumina, of which 5 to 90% in volume hexagonalesde is in the form of laminillas general formula LaAl11O18 which inferiors to 1500ºC form by sintering to temperatures. |
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