Patent ID: 11890831
Assignee: A.L.M.T. CORP.
Field: Surface technology, coating (Chemistry)
Classification: CPC B  H  C  Y | IPC B  C

Claim 0:
1. A composite member comprising:
a substrate composed of a composite material containing pure magnesium and SiC, or a magnesium alloy and SiC; and
a coating layer provided on a surface of the substrate, wherein
the coating layer includes
an outermost layer provided as an outermost surface, and
an intermediate layer provided directly under the outermost layer,

the outermost layer contains nickel and phosphorus,
the intermediate layer is mainly composed of copper,
the intermediate layer has a thickness not smaller than 30 μm, and
the outermost layer contains an amount of phosphorus not lower than 1 mass % and not higher than 6 mass % of the outermost layer.