空化场中纳米镍磷合金粉体材料的制备  

Nano-scale Ni-P Alloy Powder Produced by Cavitative Field

作　　者：王瑛[1] 余水[1] 俞宏英[1] 孙冬柏[1] 

机构地区：[1]北京科技大学表面科学与腐蚀工程系,北京100083

出　　处：《材料工程》2003年第8期17-19,22,共4页Journal of Materials Engineering

基　　金：北京市科技项目 (95 5 0 3 1180 0 )

摘　　要：尝试利用自制的空化场电化学装置,在水溶液中制备纳米镍磷合金粉体材料,实验装置中包括以电火花技术为基础的空泡发生系统,反应容器,循环冷却系统,真空抽滤系统等。实验结果表明:在空化场的作用下,成功地在NiSO4和NaH2PO2反应溶液中制备出纳米尺度的镍磷合金粉体材料,该材料具有非晶态结构。材料的颗粒尺寸随空化场能量的提高而减小。典型的纳米镍合金的颗粒尺寸为80nm。Nanoscale NiP alloy powder in the solution was produced by means of a homemade electrochemistry system with acvitative field The electrochemistry system consists of a cavitative generating apparatus based on electric spark technique, reaction container, circulating cooling device and a filter by vacuum The experimental results indicate that the nanoscale NiP alloy powder with the microstructure of amorphous have been obtained in NiSO4 and NaH2PO2 solution upon cavitative field The powder size of the Ni alloy decreases with increasing energy of cavitative field The typical powder size of the sample is about 80 nm 

关 键 词：Ni—P非晶 纳米粉体 空化场 电化学装置 纳米镍磷合金粉体材料 

分 类 号：TF123[冶金工程—粉末冶金]