1) β-SiC powder
β-SiC粉体
1.
β-SiC powder has been widely used in electronics, information, precision machining, military, aerospace and other fields for its excellent high temperature resistance ,oxidation resistance, thermal stability, and its high hardness, small thermal expansion coefficient, large thermal conductivity, chemical corrosion resistance and good electrical properties.
β-SiC粉体具有优良的耐高温性、抗氧化性、热稳定性,且其硬度高、热膨胀系数小、热导率大、耐化学腐蚀以及良好的电学特性,被广泛应用于电子、信息、精密加工、军工、航空航天等领域。
2.
The Al-doped β-SiC powders were obtained by combustion synthesis under low nitrogen pressure (0.
以硅粉(Si)和炭黑(C)为原料、聚四氟乙烯(PTFE)为助燃剂、铝粉(Al)为掺杂源,在低压氮气气氛中通过燃烧合成的方法制备出Al掺杂β-SiC粉体。
2) 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) SiC powder
SiC粉体
1.
The superfine-treatment of the industrial SiC powder was carried out by fluidized bed opposed jet mill(QLM-80K), and the effects of working pressure on superfine-treatment were studied.
采用流化床对撞式气流粉碎 (QLM 80K)对工业用SiC粉体进行超微化处理 ,考察了工作压力对超微化的影响 ;并采用激光粒度分布仪、扫描电镜、XRD对超微化前后的SiC粉体进行粒度、形貌及结构的研究。
2.
The surface modification of industrial SiC powders was carried out by polyethyleneimine(PEI),and the effects of pH and adding content of PEI on flow characteristics of the powder before and after modified treatment were analyzed.
采用聚乙烯亚胺 (PEI)作为表面活性剂对工业用SiC粉体进行表面改性处理 ,研究了改性前后SiC粉体的流动特性以及PEI加入量和 pH值的影响 。
3.
The surface modification of industrial SiC powders were carried out by polyethylene glycol (PEG 200), and the effects of PEG weight and liquid media on the flow characteristics, adsorption, thermal analysis and morphology of the modified powder were analyzed by TG, IR and SEM.
采用聚乙二醇(PEG200)作为分散剂对工业用SiC粉体进行表面改性处理,通过TG、IR、电镜等测试技术研究了改性前后SiC粉体的流动特性、吸附、热重以及形貌等物性,分析了PEG加入量及液体介质对各种物性的影响。
5) SiC nano-powders
纳米SiC粉体
1.
The low-carbon martensitic stainless steel was reinforced by surface modified SiC nano-powders.
在生产过程中采用改性纳米SiC粉体对低碳马氏体不锈钢进行了处理,研究了改性纳米SiC粉体对低碳马氏体不锈钢的金相组织和耐腐蚀性能的影响。
6) β'-Sialon powders
β'-Sialon粉体
1.
The favourite temperature was discussed for acquiring more β'-Sialon powders.
本文分析了以天然高岭土为原料，经碳热还原氨化反应制备β′-Sialon粉体过程中出现的化学反应，从热力学角度研究了反应温度及气体分压对产物组成的影响，通过实验结果与热力学分析相结合，寻找出制约反应进行的速度控制步骤，并讨论了获得较高β′-Sialon粉体转化率所需的温度范围。
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