Dispersion for composite plating treatment in which carbon nanofiber material is dispersed, composite plating solution containing the same, composite plating treatment method using composite plating solution, and surface plating of cutting tool for forming surface plating film using composite plating treatment Processing method

摘要

PROBLEM TO BE SOLVED: To provide a composite plating treatment method which can form a composite plating film, distributed with a carbon nano-fiber material, with a composite plating solution prepared by mixing a dispersion for composite plating treatment containing a stably dispersed carbon nano-fiber material.SOLUTION: A dispersion for composite plating treatment according to the present invention contains a carbon nano-fiber material, linear polysaccharides, and amidosulfuric acid. The carbon nano-fiber material is prepared to have a pH of 3 or less in a dispersed state. A composite plating film is formed on a surface of an object to be plated using a composite plating solution prepared by mixing the dispersion for composite plating treatment with a metal plating solution, whereby a composite plating film dispersed with the carbon nano-fiber material can be formed. Abrasive grains are fixed on a cutting tool surface and a surface plating film distributed with the carbon nano-fiber material is formed by using the composite plating treatment, whereby the wear resistance of the surface plating film can be improved.SELECTED DRAWING: Figure 2