1) microsilica with SiC
硅微粉结合SiC
2) quartz micro-powders
结晶硅微粉
1.
The changing law of the special parameters D50 of quartz micro-powders with the variations of grinding time of the agitator mill,contamination level of oxidizing zirconium balls on the quartz micro-powders,and the chemical composition and microcosmic shape of the quartz micro-powders which is under 1μm are discussed.
以高硬度钇稳定氧化锆球为研磨介质,对衬聚氨酯搅拌磨无铁污染法制备高纯超细结晶硅微粉进行了研究。
3) SiC powder
SiC微粉
1.
SiC powders are synthesized by reducing silica with amylum in a flow argon atmosphere at 1500℃,1600℃ and 1700℃,respectively.
以硅溶胶为硅源,淀粉为碳源,采用低温碳热还原法合成了SiC微粉。
2.
The effects of SiC powder(SiCp) content on the mechanical properties and oxidation resistance of 2D Cf/Si-O-C composites were investigated.
以二维碳纤维布、硅树脂先驱体、SiC微粉和乙醇溶剂为原料,采用PIP工艺制备了2DCf/Si-O-C材料,考察了浆料配比对材料力学性能和抗氧化性能的影响。
3.
SiC powders were synthesized by reducing silica with saccharose in a flow argon atmosphere at 1500℃,1600℃ and 1700℃,respectively.
以硅溶胶为硅源,蔗糖为碳源,采用低温碳热还原法合成了SiC微粉。
4) SiC fillers
SiC微粉
1.
SiC fillers were introduced into carbon fiber preform by vacuum infiltration in order to shorten the fabrication cycles of three-dimensional braided carbon fiber preform (3D-B C_(f)) reinforced SiC ceramic matrix composites by precursor-infiltration-pyrolysis (PIP).
采用真空浸渍法在碳纤维编织物中预先引入SiC微粉,以缩短先驱体浸渍裂解制备碳纤维三维编织物(3D BCf)增强SiC陶瓷基复合材料的制备周期,考察了微粉粒度、浆料SiC/无水乙醇(EtOH)质量比等参数对引入SiC微粉体积分数的影响。
2.
SiC fillers were introduced into three-dimensional braided carbon fiber preform((3D-BC_f)) by ultrasonic infiltration in order to shorten the fabrication cycles of C_f/SiC composites through precursor-infiltration-pyrolysis (PIP).
为缩短先驱体浸渍裂解制备炭纤维三维编织物(3D-BCf)增强SiC陶瓷基复合材料的工艺周期,在3D-BCf中采用超声浸渍法预先引入SiC微粉。
3.
In order to introduce a mass of SiC fillers into 10mm thick 3-D carbon fiber perform,four slurry infiltration method were applied: vacuum infiltration,pressure infiltration,pressure filtration,and vacuum suction straining.
为了在厚度为10mm的3D碳纤维预制体中大量引入SiC微粉,在料浆不变的基础上采用真空浸渗法、加压浸渗法、加压过滤法、真空吸滤法等四种料浆浸渗法进行试验,并对引入微粉的量及其分布进行分析对比。
5) β-SiC minute powder
β-SiC微粉
1.
Theβ-SiC minute powder with had outstanding physical-chemistry performance is widely applied in area of high technology.
β-SiC微粉以优异的物理化学性能广泛应用于高技术领域。
补充资料："球粒"硅微粉
“球粒”硅微粉在国内罕见。矿产资源研究所掌握全国范围内的矿产资源和先进的矿产品加工技术，选用高品质石英原矿，经独特工艺加工而成的一种高强度、高硬度、惰性的球型颗粒，其主要成-分sio2含量99.6%以上，密度为2.65，莫氏硬度为7，细度在325目至5000目之间，白度在70-94之间， 具有合理可控的粒度范围，外观为白色粉末状。
经电镜分析，硅微粉颗粒形态为近等轴状六角多面体形，被称为“球形”颗粒。
硅微粉主要由微晶质石英组成，sio2含量大于99.50%, 硅微粉中有害元素含量极低，均低于检出极限。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条