| Advanced ceramics exhibited high mechanical property, and excellent high temperature oxidation resistance. Because the advanced ceramics exhibited high hardness, the machinability of ceramics was very poor, so the machinery processing cost of ceramics was very high, this limited the ceramics widely applied. In order to improve the machinability of ceramics, the h-BN was incorporated into the ceramics matrix to fabricate the machinable boron nitride matrix ceramics composites. The machinable boron nitride matrix ceramics composites exhibited high mechanical property and excellent machinability. The machinable boron nitride matrix ceramics composites could be machinery processed. The researched and developed machinable boron nitride matrix ceramics composites mainly included: Al2O3/BN composites, ZrO2/BN composites, SiC/BN composites, Si3N4/BN composites, AlN/BN composites. The research of the machinable boron nitride matrix ceramics composites mainly included the fabrication process, mechanical property, machinability, thermal shock resistance, high temperature oxidation resistance. In this paper, the fabrication process, mechanical property and machinability, thermal shock resistance, high temperature oxidation resistance of the machinable boron nitride matrix ceramics composites were mainly introduced. The research and development status, development trend of the machinable boron nitride matrix ceramics composites were introduced. The future development trend of the machinable boron nitride matrix ceramics composites were analyzed and prospected. |
