β-Si3N4及添加β-Si3N4的α-Si3N4的气氛加压烧结

硅酸盐通报 , 1999, (2): 37-41. doi: 10.3969/j.issn.1001-1625.1999.02.008

β-Si3N4及添加β-Si3N4的α-Si3N4的气氛加压烧结

张宝林 ^1, , 庄汉锐 ^2, , 罗新宇 ^3, , 李文兰 ^4,

1.中国科学院上海硅酸盐研究所,上海,200050

2.中国科学院上海硅酸盐研究所,上海,200050

3.中国科学院上海硅酸盐研究所,上海,200050

4.中国科学院上海硅酸盐研究所,上海,200050

关键词：气压烧结 , β-Si3N4 , 显微结构 , 力学性能

Gas-Pressure Sintering of β-Si3N4 and α-Si3N4 with β-Si3N4 Addition

介绍了β-Si3N4及添加β-Si3N4的α-Si3N4的气氛加压烧结,β-Si3N4在GPS中具有不低于α-Si3N4的烧结活性,而且陶瓷显微结构更容易调节.由GPS β-Si3N4制备的陶瓷材料晶粒比较均匀,具有较高的力学性能,尤其是高的韦泊模数.添加于α-Si3N4中的β-Si3N4对陶瓷材料显微结构具有明显的调控作用.

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β-Si3N4及添加β-Si3N4的α-Si3N4的气氛加压烧结

Gas-Pressure Sintering of β-Si3N4 and α-Si3N4 with β-Si3N4 Addition

参考文献