Nickel-nanodiamond composite plating solution and preparation thereof

Abstract

The invention discloses a nickel-nano-diamond composite plating solution, which is in blend composition with the size ratio 0.1-2:22 through the modified nano-diamond water or dilute sulfuric acid solution and the water solution of nickel sulfate, nickel chloride, boric acid, saccharin and butynediol. The invention also discloses the preparation method of the composite plating solution. The composite plating solution of the invention has a high degree of stability, in which the key issues existed in the composite plating technique of nano-diamond that the nano-diamond is easy to be in agglomeration and settlement and the plating solution is unstable are resolved. Moreover the composite plating solution is in favor of the stable control of the structure and properties of the composite coating. During the preparation process, the ultrasound technology and the organic surface-active agent are not required to use, which is not only help reduce the plating cost, but also the environmental problems resulted from the adoption of the organic surface-active agents comprising sulfur, phosphorous and other elements are avoided. The composite coating obtained from the plating solution through a simple plating process is bright and smooth. Compared with the coating that the nano-diamond is not comprised and obtained under the same conditions, the micro-hardness of the composite coating can be increased at most by 38%, and the coefficient of friction can be reduced by 29%.

Description

technical field

[0001] The invention relates to a composite plating solution, in particular to a nickel-nanometer diamond composite plating solution and a preparation method of the plating solution. It belongs to the field of plating solution. Background technique

[0002] Adding inert solid particles to the electroplating or chemical plating solution, the composite plating technology of co-depositing particles and metals by electroplating or chemical plating is an important material surface strengthening method that has developed rapidly in the past two decades (Wang Baichun, Zhu Yongwei , Xu Xiangyang, et al., Materials Herald, 17(10), 51-54, 2003). Due to the high hardness, wear resistance, self-lubrication, special decorative appearance and electrical contact functions of the composite coating, it provides greater possibilities for changing and adjusting the mechanical and physical and chemical properties of the material and forming various functional composite material...