1) Tungsten powder
钨粉
1.
RF induction plasma spheroidization of tungsten powders
射频感应等离子体制备球形钨粉的工艺研究
2.
by using the process composed of dissolving with hot concentrated hydrochloric acid,roasting,leaching,hydrolysis,crystallization and reduction,it is possible to recover valuable metals and make metallic tungsten powder,cobalt powder and metallic titanium.
采用先热浓盐酸溶解,再焙烧、浸出、水解、结晶和还原等方法,可分离回收金属,制取金属钨粉、钴粉和金属钛。
3.
It is attractive for hard alloy manufacturer to obtain tungsten powder with coarse and homogenous grain.
晶粒粗大且均匀的碳化钨粉一直是粗晶硬质合金制造者的迫切需要,本文通过对钨粉分级再碳化工艺的研究,有效解决粉末夹粗夹细现象,制造粗晶碳化钨粉。
2) W powder
钨粉
1.
The result shows that the process of γ-tungsten oxide deoxidization is the key to produce ultra-fine W powder.
实验结果表明:γ-氧化钨氢还原过程是制取超细钨粉的关键环节。
2.
The application and study of spheroidal W powder both at home and abroad is reviewed in the paper In order to produce the spheroidal tungsten powder at high efficiency and low cost, a modified conventional plasma equipment as well as the spheroidization process was investigated in lab.
用 Ａｒ 做 工作气 体，将费氏 粒度为 １５ μｍ 的 工业钨 粉用 Ｈ２ 送入 等 离子 体炬 中 熔化 ，熔 融的 钨颗 粒直接导入 水中冷却 ，可得到 良好球 化效果的 球形钨粉 。
3) tungsten nano-powder
纳米钨粉
1.
A novel process for prepering tungsten nano-powder;
纳米钨粉制备的一种新方法
4) ultra-fine tungsten powder
超细钨粉
1.
This paper introduces the principle of purple tungsten oxide composition and production,the details of production process control,detection methods and the use of ultra-fine tungsten powder and ultra-fine cemented carbide.
简要介绍了紫色氧化钨的组成及生产原理,详细论述了其生产过程的控制因素、检测方法以及在超细钨粉及超细晶硬质合金中的运用。
2.
Ultra-fine WO3 particles were prepared by reverse setting,microemulsion and sol-gel methods respectively and were reduced into ultra-fine tungsten powders in hydrogen atmosphere.
采用反向滴加沉淀法、微乳法和溶胶-凝胶法3种液相方法合成超细WO3,然后将超细WO3在高纯氢气氛中还原成超细钨粉。
5) pure tungsten powder
纯钨粉
1.
Determination of trace As and Sn in pure tungsten powder by graphite furnace atomic spectrophotometry;
石墨炉原子吸收光谱法测定纯钨粉中痕量砷和锡
6) doped tungsten powder
掺杂钨粉
1.
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。
补充资料：钨粉
钨粉以氧化钨为原料，在四管马弗炉或多管炉内用氢气还原，粒度从0.6-30微米。主要分粗、中、细几个粒度等级，银灰色粉末，杂质含量以国家标准为依据。
钨粉用途：主要用于钨材及钨冶金材原料。
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