铸造技术2012，Vol.33Issue(5)：531-533,3.
直流电弧等离子体法制备纳米锌粉及机理
Preparation of Nano-zinc Powders by DC Arc Plasma Evaporation Method and Its Mechanism
摘要
Abstract
The nano-zinc powders with mean particle size from 30nm to 45nm were prepared by self-designed fabricated high-vacuum three-electrode DC arc plasma production apparatus. The crystalline structure, chemical composition, morphology, and particle size distribution of the samples were characterized by XRD, XRF, TEM and simple PCI software. The preparation mechanism of nano-zinc powders was investigated based on yield and particle size. The results show that the adding hydrogen molecule results in the increase of melt temperature and actual evaporation area in melt. The undercooling generated from the plasma and the drastic collision between zinc evaporated molecule as result of increasing cycling wind rate makes sure that the crystal nucleus is fine.关键词
纳米锌粉/等离子体/循环风量/过冷度Key words
nano-zinc powder/ plasma/ cycling wind rate/ undercooling分类
金属材料引用本文复制引用
王鹏,陈银,赵芳霞,张振忠,郑威..直流电弧等离子体法制备纳米锌粉及机理[J].铸造技术,2012,33(5):531-533,3.基金项目
江苏省科技厅社会发展计划资助项目(BS2007120) （BS2007120）
国家中小型企业创新基金资助项目(08026213700982) （08026213700982）
