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1)  modified nano-Si3N4
改性纳米氮化硅
1.
The influence of addition level of nano-Si3N4 modified by macromolecular coupling agent on the properties of modified nano-Si3N4/NBR composites was investigated.
采用大分子偶联剂改性纳米氮化硅,研究改性纳米氮化硅用量对改性纳米氮化硅/NBR复合材料性能的影响。
2)  modified nano-titanium nitride
改性纳米氮化钛
1.
Study on the properties of modified nano-titanium nitride/ACM composites
改性纳米氮化钛/ACM复合材料性能的研究
3)  nano-Si_3N_4
纳米氮化硅
1.
Nano-size Si_3N_4 was modified with a macromolecular coupling agent which was synthesized by ourselves,and nano-Si_3N_4/nitrile-butadiene rubber(NBR) composites were prepared by direct blending.
采用试验室自制的大分子偶联剂对纳米氮化硅进行表面处理,并制备 Si_3N_4/NBR 纳米橡胶复合材料。
4)  Nano-Si3N4
纳米氮化硅
1.
The structure and surface properties of modified nano-Si3N4 were systematically investigated by FTIR,TEM,XPS etc.
采用溶液聚合法合成了丙烯酸丁酯-甲基丙烯酸-丙烯腈(BA-MAA-AN)三元共聚物,使用该三元共聚物作为大分子表面改性剂对纳米氮化硅进行表面处理,运用TEM、FTIR、XPS等仪器对处理后的纳米氮化硅粉末的结构及表面特性进行系统地研究。
2.
Silicon nitride ceramic was fabricated using Si3N4 powder of micron and nano-Si3N4, adding Al2O3 and Y2O3 to reinforce sintering, by isostatic pressing and sintered silicon nitride (SSN).
本文以亚微米级氮化硅为起始原料,加入纳米氮化硅来增强基体,添加氧化铝和氧化钇为烧结助剂,等静压成型,采用无压烧结的方式来制备具有优良性能的氮化硅陶瓷。
3.
The nano-Si3N4 dispersibility in acetone was characterized by the volume of suspending layer and TEM.
本研究采用聚乙二醇(PEG1000)作为表面改性剂对纳米氮化硅进行表面改性处理。
5)  nano-modified SiO2
改性纳米二氧化硅
1.
The viscosity reducer of nano-modified SiO2/sulfonated polystyrene-maleic anhydride was prepared and the styrene and maleic anhydride are monomers,oleum is the sulfonating agent,tetraethyoxysilane is nanometer SiO2 precursor.
以苯乙烯、马来酸酐为单体,发烟硫酸为磺化剂,正硅酸乙酯为纳米二氧化硅的前驱体合成了改性纳米二氧化硅/磺化苯乙烯-水解马来酸酐降粘剂。
6)  nano-Si3N4 ceramics
纳米氮化硅陶瓷
1.
The nano-Si3N4 ceramics with size of about 100nm were produced by hot press sintering and the thermal shock resistance was investigated.
研究结果表明,纳米氮化硅陶瓷表现出原始短裂纹扩展特征;起始粉末粒度对氮化硅陶瓷的力学性能和抗热震性有一定影响。
补充资料:氮化硅晶须
分子式:
CAS号:

性质:有直晶和弹簧形两类,前者平均直径0.7~1.9μm,长度1~2mm;后者直径0.5~1μm;螺旋直径约10~15μm,螺距3~5μm,圈数多为10~40匝。两者皆为白色茸毛毡状,熔点1900℃,密度3.18g/cm3。制法是以Si2C16,NH3和H2为原料气,在涂镍的石英基质上按气液固机理生长成α-Si3N4为主的直晶,若在涂铁的石墨基质上以CVD法在1200℃沉积,则形成螺旋形。用于金属基或陶瓷基复合材料增强剂等。

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