Abstract：By using high-energy ball-milling method, MgNb2O6 powders were synthesized at 800℃ for 2h. Meanwhile, phase transition, sintering behavior, microstructures, and microwave dielectric properties of MgNb2O6 ceramics changing with sintering tempreature were investigated. It is found that the calcining temperature of MgNb2O6 powders and the sintering temperature of MgNb2O6 ceramic are able to be effectively reduced. The pottery of MgNb2O6 sintered at 1,220℃ for 2h possesses the average grain size of 3.5μm, ρ= 4.80g/cm3, and excellent microwave dielectric properties of r=19.7 and quality factor Q·f=29,444GHz. Therefore, MgNb2O6 pottery obtained by the high energy ball-milling method makes itself become an appropriate candidate for the new generation of middle-temperature sintered high frequency microwave dielectric material.
付志粉;马建立;高娟;刘鹏. 高能球磨法制备MgNb2O6粉体及其陶瓷性能[J]. , 2013, 31(19): 62-65.
FU Zhifen;MA Jianli;GAO Juan;LIU Peng. Preparation of MgNb2O6 Powders by Using High-energy Ball-milling Method and Properties of MgNb2O6 Ceramics. , 2013, 31(19): 62-65.