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US 5,397,650 AGranted
Composite spray coating having improved resistance to hot-dip galvanization
AssigneeTocalo Co., Ltd.
InventorsYoshio Harada, Kazumi Tani, Yoshihumi Kobayashi
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Abstract
A composite spray coating comprises an iron base material, a spray coating film applied thereon and a diffusion layer of aluminum or aluminum-zinc alloy, and is used for hot-dip galvanization.
Claims6
A composite layer, comprising:
- a layer of non-oxide ceramic or a cermet of ceramic and metal, said layer having a surface;
- and
- a diffusion of at least one aluminum alloy selected from the group consisting of Al--Ni, Al--Si, Al--Fe and Al--Ti into the surface.
Dependencies are inferred from the claim text.