OALib Journal期刊
Si2ON2/LAS纳米复合材料的制备与性能研究
, PP. 22-24
Keywords: 纳米氮化硅 ,LAS ,Si2ON2 ,纳米复合材料
Abstract:
研究了Si2ON2/LAS纳米复合材料的制备和性能.结果表明,纳米β-Si3N4可在较低温度下与玻璃热压烧结制备出Si2ON2/LAS纳米复合材料.材料的力学性能与生成的纳米Si2ON2含量有关.Si2ON2的含量在20%时材料的抗弯强度和断裂韧性达最高值,分别比未加Si2ON2的材料提高31%和88%.纳米Si2ON2的含量超过20%时,材料的力学性能急剧下降,其原因是材料的致密度迅速降低。
References
[1] Karch J,Birringer R,Gleiter H.Ceramics ductile at low tempera ture[J].Nature,1987:330(10):556. [2] 陈大明.纳米陶瓷复合材料的制备与性能[J].材料导报,1997,11(5):67. [3] Lei Tian.SiC-nanoparticle-reinforced Si3N4matrix composite[J].Journal of materials science,1998,797-802. [4] 王宏志,高濂等.晶内型Al2O3-SiC纳米复合陶瓷的制备[J],无机材料学报,1996,12(5):671—674. [5] John Brennan,Karlm M Prewo.Silicon carbide fibre reinforced glass-ceramic matrix composite exhibiting high strength and toughness[J].J Mater Sci,1982,(17):2371—2383 [6] Malcom E.Washburn.Silicon Oxynitride Refractories[J].Ceramic bulletin,1967,46(7):67—671. [7] Markus Bruno and Jan L Holm.Testing of Si2ON2-ceramic from microsilica a nd Si3N4powder[J].Key Engineering Materials 1997,(132-136):1649-1652. [8] P W麦克米伦.微晶玻璃[M].北京:中国建筑工业出版社,1988.
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