▎ 摘 要
NOVELTY - High temperature resistant ceramic comprises 20-25 pts. wt. zircon, 18-20 pts. wt. zirconium diboride, 15-20 pts. wt. asphalt, 12-15 pts. wt. flint clay, 10-15 pts. wt. porcelain clay, 10-15 pts. wt. alumina, 5-10 pts. wt. water glass, 2-5 pts. wt. cerium oxide, 2-5 pts. wt. nano grade molybdenum oxide, 2-5 pts. wt. graphene, and proper amount of deionized water. USE - High temperature resistant ceramic. ADVANTAGE - The high temperature resistant ceramic has improved heat-resistant temperature of more than 4000 degrees C, reasonable formulation, good bending strength, increased quality, simple preparation process, reduced production cost, satisfies consumer requirement, and has good economic benefit. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing high temperature resistant ceramic, which involves: (A) adding zircon, flint clay and alumina into calciner, and subjected to ablation 550-600 degrees C for 0.5-1 hours to obtain ablated material; (B) pulverizing obtained ablated material into pulverizer to over 70-80 mesh sieve, and subjected to ball milling, adding graphene and subjected to ball milling at speed of 1500-2000 revolutions per minute for 0.5-1 hours, drying and crushing to obtain crushed material; (C) adding zirconium diboride, porcelain clay, water glass and cerium oxide into calciner, and subjected to ablation at 450-500 degrees C for 1.2-1.5 hours to obtain ablated material; (D) pulverizing obtained ablated material into pulverizer to over 80-90 mesh sieve, and subjected to ball milling, adding asphalt and subjected to ball milling at speed of 1500-2000 revolutions per minute for 0.5-1 hours, drying and crushing to obtain crushed material; (E) subjecting ball milling of obtained crushed materials, adding nano-grade molybdenum oxide, and subjected to ball milling at 6000-6500 revolutions per minute for 10-20 minutes to obtain ultra-fine powder; (F) adding appropriate amount of deionized water into obtained ultra-fine powder and stirred for 10-15 minutes to obtain stirred material; (G) subjecting drying and pressing of obtained stirred material at pressure 320-350MPa to obtain pressed material; and (H) heating obtained pressed material at 1500-1800 degrees C for 3-4 hours, and then sintering at 2300-2500 degrees C for 7.5-8.5 hours to obtain final product.