钨粉

结果表明，稀土元素La的添加使掺杂钨粉的形貌由未添加La的准球形变为规则多面体；La在粉末和坯条中均以La2O3形式存在。

The results indicate that the rare earth La changes the shape of doped tungsten powder from quasi-sphere to regular polyhedron and exists in the form of La_2O_3 both in powder and bars .

稀土元素La对掺杂钨粉形貌及其坯条性能的影响

The Effect of Rare Earth Element La on the Doped Tungsten Powder Morphology and the Properties of the Bars

掺杂钨粉中添加剂Al2O3的分析

Analysis of Al_2O_3 Additive for Doped Tungsten Powders

超细钨粉碳化时碳黑粒径对WC粉化合碳的影响

Influences of Carbon Black Particle Size on the Compounded Carbon Content in WC Powders

研究了稀土元素La在掺杂钨粉和坯条中的存在形式及对粉末形貌和坯条性能的影响。

The form of La occured in the doped W powder and bars and its effect on the powder morphology and properties of the bars were investigated .

通过选择不同粒度的原料钨粉，采用预混合部分铜粉然后渗铜的方法制备一系列不同铜含量的W-Cu合金。

High copper W-Cu alloy can be obtained by infiltration of tungsten and copper powder .

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。

The spherical tungsten powder was fabricated by spray-drying method combined with hydrogen reduction using ammonium metatungstate ( AMT ) as raw materials .

钨粉粒径对熔渗法制备的CuW触头材料硬度的影响

Effects of Tungsten Powder Size on Hardness of W-Cu Contact Produced by Infiltration

以W（18）O（49）为原料用传统工艺制取超细钨粉、超细碳化钨粉是合理的、先进的。

And therefore , The production of ultrafine tungsten powder and ultrafine tungsten carbide powder from W_ ( 18 ) O_ ( 49 ) is both more reasonable and advanced in the conventional process .

钨粉粒度及预混合原料配比对渗铜方法制备W-Cu合金性能的影响

Effects of tungsten powder size and content of copper in mixture on properties of W-Cu alloy produced by infiltration

结果表明：钨粉粒径过大时，会降低CuW触头材料的硬度；

The results show that over large size of tungsten powder decreases hardness of W-Cu contact .

纳米晶钨粉对液相烧结93W合金组织性能影响

Effect of nanocrystalline tungsten powders on the microstructure and properties of liquid-phase sintered 93W alloys

在钨粉中掺入硅和钠元素，在W－Ni－Fe合金混合料中添加纯硅粉，通过实验得出硅和钠对高比重钨合金的力学性能会产生不利的影响。

When Si and Na elements are mixed into W ponder , and when pure Si ponder is added into W-Ni-Fe alloy , disadvantageous influences on mechanical properties of high density W-alloys take place which are confirmed by experiments .

常规钨粉坯在H2中烧结时于1400℃开始收缩，1500℃烧结相对密度为66.2%；

The compact of traditional tungsten powders started to shrink at 1 400 ℃ . After sintered at 1 500 ℃, the sample had a relative density of 66 . 2 % ;

由于15～30μm钨粉可在等离子焰流中充分熔融并铺展开，获得了孔隙率低于2%的W涂层。

Particles with size ranging from 15 to 30 micron can get fully melted in the plasma plume and completely fattened on the surface of substrate . The porosity for W coating with 15 ~ 30 micron W powder as feedstock was lower than 2 % .

结果表明，原料钨粉中的微量SiO2在合金中以微粒形式弥散分布在合金的粘结相中，部分Si以固溶体形式分布在钨晶粒中；

The results showed that part of the trace silicon in the form of dispersed SiO2 particles was distributed in the binder phase of the alloy and the remaining in the state of elemental silicon was distributed in the tungsten grains forming a solid solution .

喷涂功率对钨粉的沉积效率影响较大，喷涂功率低于40kW以下时钨粉的沉积效率极低；

The deposition efficiency of W coating was greatly dependent on the spraying power and was low at a spraying power below 40 kW .

对现有WS2生产方法进行了分析，选择了一种简单可行的制备方法&在隔绝空气的情况下，用钨粉和硫磺高温合成WS2。

Present WS 2 manufacturing methods are analysed . A simple and available preparing method is elected , that is tungsten powder and sulphur are synthesized into WS 2 at high temperature under the condition of insulating air .

通过对CuW假两相合金的熔渗参数的理论分析和实验研究，给出了熔渗时间与钨粉粒径、压坯孔隙率、压坯高度之间的定量关系式。

The infiltration parameters of CuW pseudobinary alloy were studied through theoretic deduction and experimental study . A formula was given out to show the relationship among infiltration time and tungsten powder size , pore fraction and CuW compact height .

将90%的镍粉（纯度为99.9%）和10%的钨粉（纯度为99.9%）混合，在35MPa压力下压成饼状。

Begin with a mixture of 90 % Ni powder ( 99.9 % purity ) and 10 % W powder . Mix and compact at appropriate pressures into a rod or billet .

钼对还原钨粉粒度的影响

The Influence of Molybdenum on Particle Size of Reducing Tungsten Powder

碳纳米管复合纳米碳化钨粉体的热稳定性

Thermal stability of composite of nanocrystalline WC powder and carbon nanotubes

钨粉质量控制的研究

A study of controlling the quality of tungsten powder by micro-computer

本文尝试了用等离子喷雾技术制取球形钨粉。

Spherical tungsten powder produced by plasma atomization technique is described .

粗颗粒碳化钨粉制取过程中的质量控制

On the quality control in the production of coarse tungsten carbide

封闭循环氢还原法制备纳米钨粉

Preparation of Nanocrystal W Powders by Seal Circulation Hydrogen Reducing

钨粉分级在粗晶碳化钨粉生产中的应用

Application of gradation - carbonization process in Production of Coarse-grained Tungsten Carbide

钨粉粒径对W-15Cu导热性能的影响

Effect of Particle Size on the Thermal Conductivity of W-15 Cu Composites

用熔盐电解法制备超细钨粉

Preparation of ultrafine tungsten powder by electrolyzing in molten salts

粉末及其组成与细钨粉烧结坯组织均匀性的关系

The structural homogeneity of sintered compact using fine tungsten powder