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Mixture of Ceramic Raw Materials, method for making a Ceramic product, monolithic and hard through the mixture and Baked Ceramic Product thus obtained
Mixture of Ceramic Raw Materials, method for making a Ceramic product, monolithic and hard through the mixture and Baked Ceramic Product thus obtained
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机译:陶瓷原料的混合物,陶瓷产品的制造方法,通过该混合物的整体和硬质以及由此获得的烘焙陶瓷产品
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摘要
The invention provides a hard, strong ceramic body and a ceramic raw batch and method for manufacture whereby the body, after being formed of the raw batch in the shape and size desired, can then be fired to monolithic structure without any shrinkage or distortion during the firing operation. The raw batch contains aluminum oxide, magnesium oxide, glass frit and a silicone resin, these constituents being present in a ratio such that after the firing operation the resulting monolithic body contains from about 70% to 95% by weight crystalline material and the remainder interstitial glass, the crystalline material consisting predominantly of magnesium aluminate spinel and alumina. The ceramic and method have particular utility for making dental crowns and other dental appliances where a precise fit along with high strength and wear resistance are desirable.
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