The Application Development of Nano-Zirconia
RAO Xiaoxaio1,2,HU Shubing1(1 State Key Laboratory of Material Forming and Die Technology,Huazhong University of Science and Technology,Wuhan 430074;2 Hubei Automotive Industrie Institute,Shiyan 442002)
The application of nano-zirconia is summarized in toughening ceramics,catalytic properties,sensors and functional films.Nano-ZrO2 is used as the materials of toughening ceramics for its super-plastic.The catalysis of nano-ZrO2 is improved greatly,since it has good chemical stability and small particle.nano-ZrO2 is implied for optic films because of its wide prohibit-band and high refractive index.The nano-ZrO2 thermal barrier coating has some advangtages that the crystal grain piles tightly,the porosity is low and the bonding stength is high.The applications and development of nano-zirconia are prospected.
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