Study on Surface Structure of Scandia Mixed Tungsten Matrix Impregnated Dispenser Cathode 氧化钪混合钨基扩散型阴极表面结构的研究
In addition, scandium-tungsten powder which is made by using Liquid-Liquid doping method can improve the uniform distribution of scandia in tungsten powder. 同时,利用液液掺杂法制备钪钨粉末可以更好地改善氧化钪在钨粉末中的分布均匀性。
The mean particle size is much smaller, 80263 uniformly distributed and covered over tungsten grain existed like a film is showed in Scandia doped tungsten powder compared with that of mechanical mixing scandia and tungsten powder. 采用硝酸钪掺杂蓝钨的液固掺杂法,可以获得氧化钪在钨粉表面均匀分布的掺杂钨粉末,与机械混合法制备的稀土钨粉相比,粉末有不同程度细化,且颗粒大小分布均匀。
Preparation and Sintering of Zirconia Ultrafine Powders Stabilized with Scandia Sc2O3稳定的ZrO2超细粉的制备与烧结
Study on Scandia Mixed Matrix Impregnated Cathode in Microstructure and Properties 混合基含钪扩散阴极微观结构与性能研究
Electron Emission of Scandia-Doped Dispenser Cathodes 含钪扩散阴极电子发射研究
The experimental results show that scandia distributed evenly on the surface of tungsten particles. 实验结果表明,氧化钪均匀分布在钨颗粒表面。
It is indicated that the more the content of rhenium, the finer the scandia doped tungsten powder, even the size of this powder has reached the nanometer scale. 实验表明,随着铼含量的提高,钪钨粉末得到明显地细化,甚至达到纳米尺寸。
Preparation and Characterization of Nanocrystalline Thin Films of Al_2O_3 or TiO_2 Doped Scandia Stabilized Zirconia Solid Electrolytes Al2O3或TiO2掺杂的ScSZ固体电解质纳米晶薄膜的制备及表征
The Scandia doped tungsten body was applied in impregnated dispenser cathode and the effect of the improving matrix on the cathode characteristic was also studied. 将氧化钪掺杂钨基体应用于碱土金属钡扩散阴极,研究基体的改进对阴极的影响。
Study on Scandia Doped Tungsten Nano-Powders 纳米氧化钪掺杂钨粉的研究
Scandia and rhenium doped tungsten powders were prepared by solid-liquid doping combined with two-step reduction method. 用液-固掺杂及两段还原法制备了氧化钪及铼掺杂的钨粉。