碳化钨粉

本文对废碳化钨粉的氯化反应进行了实验研究。

This paper describes the chlorination process of waste tungsten carbide powder .

研究了碳化钨粉制备影响因素，结果表明：影响碳化钨粉粒度的最主要因素是钨粉的粒度和粒度分布。

The result shows that the most important factor to affect the grain size of tungsten carbide powder tungsten powder size and size distribution .

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 .

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

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

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

纳米碳化钨粉的研究及应用开发动态

Development and Application of Nano - structured WC Powder

胶状碳包覆前驱体工艺制备超细、纳米碳化钨粉的研究

Synthesis of Ultrafine and Nano Scaled Tungsten Carbide by Colloidal Carbon Coated Precursor Processes

碳化钨粉制备新技术

A New Technology for WC Powder Preparation

蓝钨中钠含量对钨粉、碳化钨粉粒度影响的研究

Influence of sodium content in blue tungsten oxide on particle size of W and WC powder

通过不同的制样手段，使用透射电镜和扫描电镜研究了用紫钨生产的钨粉和碳化钨粉的形貌变化。

We used several methods to prepare the specimens , and then studied their morphology by TEM and SEM .

真空碳还原三氧化钨和人造白钨制取钨粉及碳化钨粉的工艺探索

Probe into process of producing tungsten and wolfram carbide powder with w_2o_3 and artificial scheelite by vaccum carbon reduction

本文对近年来纳米碳化钨粉的研究和应用发展动态进行了归纳和评述，并对存在的问题提出了一些见解。

In this paper , recent development and application of nano structured WC powder are described and the existing problems are discussed .

对粗颗粒碳化钨粉制取过程中杂质含量和碳化质量的控制问题进行了探讨。

The impurity content control and the quality control in the carbonization process in the production of coarse tungsten carbide have been studied .

传统流程生产优质超细碳化钨粉的质量控制及粒度检测一种由碳化钨和粘结金属钴组成的超细颗粒硬质合金。

Quality Control and Particle Size Measurement of High-quality Ultrafine WC Powders Produced by Conventional Process An ultra fine cemented carbide with tungsten powder and binder cobalt .

评述了粗晶碳化钨粉的各种特殊性能，列举了用粗昌碳化钨粉制成的合金及粗晶碳化钨粉在硬面材料中的多种多样的用途。

Various properties of coarse-grain WC powder are described , as well as the alloys made by coarse-grain WC powder and its uses of all kinds in hard-surface materials .

研究了双锥混合器的混合时间、填充率、转速对W+C混合粉的碳量均匀程度和碳化钨粉的总碳、游离碳的影响。

In this article , the influence of the the bipyramid blender mixing time , the charge ratio , rotaing speed on the uniformity is studied of the mix of coarse W + C and total carbon / free carbon of tungsten carbide .

论文首先考察了以黄色钨酸和偏钨酸铵为钨源、CO/CO2为碳源，采用连续式和间歇式两种方法制备高活性碳化钨粉体的工艺。

First of all , the preparation processes using yellow H_2WO_4 or ( NH_4 ) _6 ( H_2W_ ( 12 ) O_ ( 40 ))· 4H_2O as tungsten source and CO / CO_2 as carbon source at continuous mode or batch mode were investigated .

热喷涂用镍包裹超细碳化钨复合粉体的制备

Synthesis of WC-Co composite powder and its bulk material Preparation of Ni-coated Superfine WC Composite Material

GB/T3991-1983钴包碳化钨复合粉

Cobalt-coated tungsten carbide composite powders

不同基片/催化剂生长碳纳米管的研究纳米碳管碳化钨复合粉体及其镍基复合镀层

Synthesis of Carbon Nanotubes on Different Substrates Research on the Preparation of CNTs / WC Powder and Ni Matrix Composite Coating

纳米碳管/纳米碳纤维电极超级电容器纳米碳管碳化钨复合粉体及其镍基复合镀层

Supercapacitor Based on Carbon Nanotubes and Carbon Nanofibers Electrodes ; Research on the Preparation of CNTs / WC Powder and Ni Matrix Composite Coating

碳化钨钴聚合粉中铁的原子吸收测定

Determination of iron in new material tungsten-cobalt carbide by AAS

碳化钨钴聚合粉中钨含量约80%，钴含量为10%～13%，碳约5%。

A new material of tungsten-cobalt carbide contains tungsten of about 80 % , cobalt of 10 ~ 13 % and carbon of 5 % .

在相同的氢还原和碳化工艺条件下，W（18）O（49）比黄色或蓝色氧化钨制得的钨粉、碳化钨粉细和均匀，而且不易长大。

Under the same conditions for hydrogen reduction and carbonization , and by using violet W_ ( 18 ) O_ ( 49 ) instead of yellow or blue tungsten oxide , much finer , hardly growing and more uniform tungsten powder and tungsten carbide powder can be obtained .

以喷雾干燥处理的偏钨酸铵为前驱体，分别采用CH4/H2和CO/CO2为还原碳化气氛，利用固定床气固反应法制备了两种具有介孔结构的碳化钨（WC）粉体。

By using ammonium metatungstate ( AMT ) which was treated by spay drying as precursors , two different hollow global tungsten carbide ( WC ) catalysts with meso-porosity were prepared by the gas-solid reaction in the atmosphere of CH_4 / H_ 2 and CO / CO_2 respectively .