【摘 要】
：
Silicon nitride(Si3N4)ceramics have many superior properties,such as high-temperature strength,good oxidation resistance,thermal-chemical corrosion resistan
【机 构】
：
State Key Laboratory of High Performance Ceramics and Superfine Microstructures,Shanghai Institute o
【出 处】
：
The 5th International Congress on Ceramics, ICC5(第五届国际陶瓷大会)
论文部分内容阅读
Silicon nitride(Si3N4)ceramics have many superior properties,such as high-temperature strength,good oxidation resistance,thermal-chemical corrosion resistance,thermal shock resistance,low thermal expansion coefficient and good dielectric property.However,the sintering temperature is still high.In order to obtain Si3N4 ceramics at low temperature,the low temperature liquid phases,such as SiP2O7,MgOAl2O3-SiO2 system,SiO2,borophosphosilicate(SiO2-B2O3-P2O5)etc,are used.
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