SURFACE MACHINING METHOD OF ALUMINUM OR ALUMINUM ALLOY MATERIAL, COMPOSITE MATERIAL, AND SURFACE MACHINING PRETREATMENT LIQUID

摘要

PROBLEM TO BE SOLVED: To provide a surface processing method of a metal excellent in adhesiveness capable of attaining firm adhesion by a simple process regardless of the shape or the material relative to adhesion to a resin, a different kind of metal, a ceramic or the like, concerning the surface machining method for roughening the surface of aluminum or an aluminum alloy.;SOLUTION: A roughened surface is formed by bringing etching solution into contact with aluminum or an aluminum alloy having a surface coating containing (1) at least one metal selected from metals in the first group comprising Sn, Cu, Fe, Ni, Co, Bi, Sb, Ag and Te, and (2) zinc.;COPYRIGHT: (C)2012,JPO&INPIT