COMPOSITE MEMBER AND HEAT RADIATION MEMBER

• Main Authors: IKEDA TOMOAKI, GOTO KENGO, HOSOE AKIHISA, ISHIKAWA FUKUTO, SUGISAWA MASANORI
• Format: Patent
• Language: Chinese; English
• Published: 14.12.2021
• Subjects: ALLOYS; BASIC ELECTRIC ELEMENTS; CHEMICAL SURFACE TREATMENT; CHEMISTRY; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING MATERIAL WITH METALLIC MATERIAL; COATING METALLIC MATERIAL; DIFFUSION TREATMENT OF METALLIC MATERIAL; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; FERROUS OR NON-FERROUS ALLOYS; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; METALLURGY; PERFORMING OPERATIONS; SEMICONDUCTOR DEVICES; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; TRANSPORTING; TREATMENT OF ALLOYS OR NON-FERROUS METALS

Provided is a composite member that has excellent substrate corrosion resistance and excellent heat radiation performance. The composite member is provided with: a substrate made of a composite material including magnesium or a magnesium alloy and SiC; and a coated layer provided on a surface of the substrate, wherein the coated layer has an outermost surface layer provided on an outermost surface thereof and an intermediate layer provided right beneath the outermost surface layer, the outermost surface layer includes nickel and phosphorous, the intermediate layer has copper as a main ingredient thereof, and the intermediate layer has a thickness of 30 [mu]m or more. 提供了一种基板的耐腐蚀性优异并且散热性优异的复合部件。该复合部件具备：由含有镁或镁合金和SiC的复合材料构成的基板；以及设置在所述基板的表面的被覆层，所述被覆层具有设置在最表面的最表面层；以及设置在所述最表面层的正下方的中间层，所述最表面层包含镍和磷，所述中间层以铜为主要成分，所述中间层的厚度为30μm以上。