采用雾化干燥结合氢还原工艺制备W--20\%Cu(质量分数)纳米复合粉, 分别用XRD,SEM, TEM等手段表征了制备过程中各步骤的产物及最终复合粉. 结果表明该复合粉的粒子平均尺寸为240 nm, 粒子中弥散均匀分布的钨晶粒平均尺寸约为16 nm.
W--20%Cu (mass fraction) nanocomposite powders were synthesized by means of combining spray drying and hydrogen reduction process. The composite powders were characterized by using XRD, SEM, TEM. It has been shown that tungsten and copper are homogenously mixed within each particle and the average particle size is about 240 nm, in which the tungsten particles have an average grain size of 16 nm.
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