1) 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。
2) 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。
3) 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。
4) sub micrometer SiC powder
亚微米级SiC粉体
5) microsilica with SiC
硅微粉结合SiC
6) SiC powder
SiC粉
1.
The modified SiC powder plated with metallic filmcould be used in the field of electromagnetic functional materials, especially coating-type absorbing materials andshielding materials.
这种镀有金属膜的改性SiC粉可以在电磁功能材料领域,特别是涂覆型吸波材料、屏蔽材料方面得到应用。
2.
The effect of SiC powder content in slurry on the mechanical properties and microstructure of 3D-Cf/Si-O-C was investigated.
以三维碳纤维编织物和硅树脂(SR249)为原料,采用先驱体转化法(PIP)制备了Cf/Si-O-C复合材料,考察了浆料中SiC粉含量对Cf/Si-O-C的结构与性能的影响。
补充资料：硅（sio2）微粉
硅（sio2）微粉
硅微粉是由天然石英（sio2）或熔融石英（天然石英经高温熔融、冷却后的非晶态sio2）经破碎、球磨（或振动、气流磨）、浮选、酸洗提纯、高纯水处理等多道工艺加工而成的微粉。硅微粉是一种无毒、无味、无污染的无机非金属材料。由于它具备耐温性好、耐酸碱腐蚀、导热性差、高绝缘、低膨胀、化学性能稳定、硬度大等优良的性能，被广泛用于化工、电子、集成电路（ic）、电器、塑料、涂料、高级油漆、橡胶、国防等领域。随着高技术领域的迅猛发展，硅微粉亦将步入新的历史发展时期。
主要规格及技术指标
项目规格 化学成份％ 密度g/cm3 莫氏硬度 憎水性（min） 中位粒径（d50um） 比表面积cm2/cc
普通型 pg－300 水份 sio2 fe2o3 al2o3 灼烧失量 26.5 7 18～21 6500～7500
pg－340 0.10 99.5 0.03 0.12 0.15 26.5 7 15～18 7500～8500
pg－600 0.10 99.5 0.03 0.12 0.15 26.5 7 13～15 8500～9500
活性型 0.10 99.5 0.03 0.12 0.15 26.5 7 >45 18～21 6500～7500
0.10 99.5 0.03 0.12 0.15 26.5 7 >45 15～18 7500～8500
0.10 99.5 0.03 0.12 0.15 26.5 7 >45
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