文档介绍:第 34 卷第 2 .2
Vol No
2012 年 2 月 JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY .2012
Feb
:10 .3963/ . .1671‐4431 .2012 .02 .005
DOI j issn
添加剂对电沉积锌粉结构和形貌的影响
张杰,戴亚堂,张欢,周龙平,李常雄,贾玉蓉
(西南科技大学材料科学与工程学院,绵阳 621010)
摘要: 研究了锌氨络合体系中添加剂(聚乙烯吡咯烷酮) 、添加剂和复合添加剂对电解锌粉的结构和形
PVP EDTA
貌的影响。采用、对样品的晶体结构、微观形貌进行表征。结果表明,添加剂、、复合添加剂分别可
XRD SEM PVP EDTA
以制得珊瑚状、树枝状和针状形貌的锌粉;当复合添加剂浓度比= 1 .5 时,可以制得分散性好、粒度均匀、形貌好的针
Rc
状锌粉。
关键词: 电沉积法; 复合添加剂; 针状锌粉; 形貌
中图分类号: 383 文献标识码: 文章编号:1671‐4431(2012)02‐0017‐05
TB A
Effcet of Additives on Structure and Morphology of
Zinc Powder by Electrolysis
ZH A NG Jie ,DA I Y a tang ,ZH A NG H uan ,ZH OU Long‐ p ing ,L I Chang xiong ,JIA Y u ro‐ng ‐‐
( , ,
School of Material Science and Engineering Southwest University of Science and Technology
621010 , )
Mianyang China
Abstract : , ‐
The2 +effect of addi+tive PVP EDTA pound additive on the structure and micro morphology of zinc
‐ 3‐ 4 ‐( )
powder in the Zn N H N H system had been studied by X ray diffraction XRD and scanning electron microscope
( ) . ‐, ‐‐‐
SEM The re2s+ults show th+at the morphology of zinc powder with coral like dendritic like and acicular like was ob
‐ 3‐ 4 , , . ‐
tained in the Zn N H N H system with additive PVP EDTA and2 +compound ad+ditive respectively When the concen
1 .5 (R = 1 .5) ‐ 3‐ 4 , ,
tration ratio of pound additive was c in the Zn