The study of ultra fine comminution is carried out by using vibration mill and coarse tungsten powder as original material.
采用振动球磨机对粗颗粒金属钨粉进行超细粉碎研究。
The spherical tungsten powder was fabricated by spray-drying method combined with hydrogen reduction using ammonium metatungstate (AMT) as raw materials.
以偏钨酸铵(AMT)为原料,采用喷雾干燥法结合氢气还原方法成功制备出球形钨粉。
It shows that the rare earth elements can slow the doped tungsten powder's reductive rate and it takes more time for doped tungsten powder with rare earth to split than those without.
利用中止还原的方法,研究了稀土元素对掺杂钨粉还原过程及其性能的影响。
The fine tungsten powder has been effectively obtained by hydrogen reduction of purple tungsten oxide.
用氢还原紫色氧化钨可高效地获得细钨粉。
Ultra-fine tungsten powder was obtained from blue tungsten oxide by hydrogen. The effect of temperature, weight and flow rate of hydrogen on granularity of W-powder also was studied.
以蓝钨为原料,通过氢还原制取超细W粉末,研究了还原温度、装舟量和氢气流量对制取W粉粒度的影响。
Uses: Tungsten powder is tungsten powder metallurgy processing of tungsten alloy products and the main raw material.
用途:钨粉是加工粉末冶金钨制品和钨合金的主要原料。
The results of the experiment showed that tungsten powder particle-size depends on the ertempature, flow of hydrogen, bed depth and pushing rate of boat.
结果表明,钨粉粒度与还原温度、舟装料量、氢气流量和推舟速度成线性关系。
The result shows that ultra-fine tungsten powder can be produced with blue tungsten oxide under appropriate conditions.
结果表明:在适当的工艺条件下,使用蓝钨可以制得超细钨粉。
Scanning electron microscopy and X-ray diffraction were used to analyze the starting tungsten powder, the carburized tungsten powder and the deposit.
采用扫描电镜和X射线衍射仪分析了原始钨粉、炭化粉末和反应沉积物的显微组织和成分。
This paper has mainly described the one-step technical process and equipment for producing tungsten powder having medium particle size.
本文主要介绍了中颗粒钨粉一步还原法的生产工艺及设备。
Properties of fine tungsten powder and fine tungsten carbide powder from violet tungstic oxide are studied. The result shows that the process of v...
The powder of iron and tungsten are prepared by using high energy mechanical ball mill. The size distribution, specific surface area and grain shape of iron and tungsten powder are analysised.