摘要
将分形几何与电化学原理相结合,通过改进的有限扩散凝聚模型(diffusion-limited aggregation,DLA),采用基于Microsoft Visual C■ 6.0的Open GL编程,对点电极为阴极进行二维电沉积时沉积产物的形貌进行了模拟。以环形金属镍为阳极,石墨为阴极,用自行设计的试验设备制备了二维的金属镍枝晶以验证模拟结果。结果表明,在保持电压恒定的条件下,镍沉积层的形貌特征为具有分形结构的枝晶,这与采用DLA模型模拟所得的二维枝晶形貌具有相似性,表明该模型对枝晶电沉积的实验研究具有很好的指导意义。
Through a combination of fractal and electrodeposition, and by means of modified DLA model, the growth process of quasi-two-dimensional electrodeposition with Open GL is successfully stimulated, which is based on Microsoft Visual C＋＋ 6.0. Using nickel ring as anode and a point electrode as cathode, the two-dimensional dendritie of nickel is prepared to test and verify the stimulation. The results show that the dendrite of nickel has the character of a fractal, which is similar to the result of stimulation. It would be helpful to use the model to direct the experimentation of dendritic crystal.
出处
《电镀与环保》
CAS
CSCD
2007年第3期14-16,共3页
Electroplating & Pollution Control
关键词
镍
电沉积
分形
枝晶
有限扩散凝聚模型
nickel
electrodeposition
fractal
dendrite
diffusion-limited aggregation
