| 摘要 |
PROBLEM TO BE SOLVED: To improve the reducibility in friction in particles while the specific gravity thereof is small by capsulating child particles composed of components the same as those in a base metal in a composite dispersion plating bath to the surfaces of mother particles for the reduction in friction. SOLUTION: Composite particles 3 for composite dispersion plating are ones in which child particles 2 composed of components the same as those in a base metal in a composite dispersion plating bath are capsulated to the surfaces of mother particles 1 small in specific gravity and excellent in reduction in friction. As the mother particles 1, C or Fe3 O4 can be given. The child particles 2 are selected from Ni, Cu, Sn, Al, Fe and Zn but are composed of metail the same as that in the plating bath. In this way, the child particles 2 are capsulated (mechanically stuck) to the surfaces of the C or Fe3 O4 particles to which the addition of surfactants has been required because of the small specific gravity thereof although the excellent reducibility in friction, by which the material to be plated can be applied with plating without using surfactants. |
