Composite ceramic material and its production


PURPOSE: To provide a ceramic material having excellent heat-resistance and high toughness and strength without deteriorating the characteristic features of alumina matrix, usable as a structural material and giving a composite ceramic material having dense and fine texture and remarkably improved mechanical properties such as bending strength. CONSTITUTION: The objective composite ceramic material contains 15-40vol.% of fine TiB 2 particles having particle diameter of ≤2μm and dispersed in alumina matrix crystal particles having particle diameter of 0.5-10μm. COPYRIGHT: (C)1992,JPO&Japio




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