Abstract：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 NiSO4 and NaH2PO2 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 80nm.
 Davis S C, Severson S J, Klabunde K J. Clustering of metal atoms in organic media. VIII. Low-temperature cleavage of alkanes by small nickel particles resulting in stable nickel-organic composites with the unusual magnetic and chemical properties [J]. Journal of the American Chemical Society,1981, 103(1):3024-3029.  Matsunawa A, Katayama S. Laser production of ultra fine powders[A]. Annales de Chimie-Science des Materiaux[C]. 1993, 18(5-6):379-386.  王世敏,许祖勋,傅晶.纳米材料制备技术[M].北京:化学工业出版社,2002.15-17.  Nagashima K, Wada M, Kato A. Preparation of fine Ni particles by the spray-pyrolysis technique and their film forming properties in the thick film method [J]. Journal of Materials Research, 1990,5(12):2828-2834.  余水.纳米镍基合金粉体材料的制备及性能研究[D].北京科技大学硕士学位论文,2003.  Popczyk M, Serek A and Budniok A.Production and properties of composite layers based on an Ni-P amorphous matrix [J]. Nanotechnology, 2003, 14(2):341-346.  姜晓霞,沈伟.化学镀理论及实践[M].北京:国防工业出版社,2000.8-10.  Szpunar B, Aus M, Cheung C, et al.Magnetism in nanostructured Ni-P and Co-W alloys [J]. J Magn Magn Mater, 1998,187(3):325-336.