INORGANIC COMPOSITE STRUCTURES

摘要

INORGANIC COMPOSITE STRUCTURES This invention relates to a process of supercooling an inorganic particulate or a ceramic slurry containing a freeze sensitive ceramic colloidal sol and then freezing the slurry to cause spontaneous nucleation resulting in the formation of a very large number of ice crystals that are consequently very small thus producing a ceramic structure that is very uniform throughout. The invention includes the addition of lithium ions to the freezing media with or without supercooling. The invention further includes composite inorganic structures which are in the nature of laminates where at least one inorganic structure, such as a zirconia plate, is adhered to a different inorganic structure, such as an alumina plate.