The powder injection molding technology, features and application in materials such as refractory tungsten alloys and hard alloys are reviewed in this paper.
本文阐述了粉末注射成形技术及其特点，以及在难熔钨合金和硬质合金及其它材料中的应用。
Spherical tungsten powder produced by plasma atomization technique is described.
本文尝试了用等离子喷雾技术制取球形钨粉。
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。
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。
Therefore, it is highly important to make the right production and choice of the tungsten raw material in the production of tungsten powder.
因此，正确地选择和生产氧化钨原料在钨粉生产中是非常重要的。
Some factors effecting the porosity of porous tungsten, such as powder size, press pressure, sintering temperature, and so on, are discussed in detail.
研究了粉末粒度、压制压力及烧结温度等对多孔钨孔隙度的影响。
The effect of the performance of raw powder and process parameter such as sintering time & temperature , heat treatment time & temperature on the plastication of tungsten alloys has been studied.
研究了原料粉末性能、烧结温度和时间、热处理的工艺参数对高密度钨合金的塑性的影响。
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 raw materials of various tungsten oxides strongly affect the particle size of tungsten powder.
不同的氧化钨原料明显地影响到钨粉的粒度。
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。
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 production methods are summarily introduced for making spherical cast tungsten carbide powder.
介绍了国内外近年来的球形铸造碳化钨生产方法。
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.
采用高能机械球磨法制备了金属铁、钨微粉，分析了铁、钨粉末产品的粒度分布特性、比表面积变化情况及颗粒形貌。
Experiment indicates that after adding ammonia the tungsten's disturbance can be eliminated so the copper content can be determined by iodine method in the mixed tungsten copper powder.
实验表明，加氨水可以消除钨的干扰，从而确定了碘量法快速测定钨铜混合料中铜的分析方法。
Thee mixture of tungsten carbide and cobalt powder is pressed into the required shape and then sintered.
碳化钨和钴粉末的混合物被挤压成所需形状后进行烧结。后进行烧结。
The high specific weight tungsten alloy material is prepared by tungsten powder, nickel powder, iron powder and cobalt powder.
高比重钨合金材料由钨粉末、镍粉末、铁粉末和钴粉末制成。
Using WF6 and H2 as raw materials, tungsten plate formed by powder metallurgy as substrate, the deformable tungsten ingots were prepared successfully by a hot-wire CVD experimental facility.
以WF6和H2为原料，粉末冶金钨板为基体，采用热丝开管气流化学气相沉积试验装置，成功地制备出可变形钨锭。
Properties of fine tungsten powder and fine tungsten carbide powder from violet tungstic oxide are studied. The result shows that the process of v...
结果表明，紫钨制取工艺先进合理，由紫钨制得的钨粉、碳化钨粉细而均匀，分散性好，是制取高性能硬质合金的优质原料。
Products: Tungsten Powder , Tungsten Carbide Powder, Cemented Carbide Alloy.
产品：稀有金属钨粉，碳化钨，超硬质钨钢（硬质合金）
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。
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。
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 describes the chlorination process of waste tungsten carbide powder.
本文对废碳化钨粉的氯化反应进行了实验研究。
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。
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。
The results showed that reduction temperature is critical for the preparation of ultra-fine W-powder from blue tungsten oxide under appropriate technological conditions.
结果表明：还原温度是制取超细钨粉的关键因素，在适当的工艺条件下，可以使用蓝钨制得超细钨粉。
A Copper-Tungsten ceramel guide has been developed by the powder metallurgy.
采用粉末冶金方法研制出金属陶瓷导板。
A Copper-Tungsten ceramel guide has been developed by the powder metallurgy.
采用粉末冶金方法研制出金属陶瓷导板。
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