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US 2023/0086909 A1Published application
Composite material
AssigneeA.L.M.T. Corp.
InventorNaoya MATSUTA
Life of this patent
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Abstract
A composite material includes: an iron-based alloy layer; an intermediate layer provided on the iron-based alloy layer; and a tungsten-containing layer provided on the intermediate layer, wherein the intermediate layer is composed of pure nickel or is an alloy that contains at least one selected from a group consisting of copper, cobalt, and iron at more than 0 mass % and less than or equal to 71 mass % in total, and that contains nickel at more than or equal to 29 mass % and less than 100 mass %.
Claims4
A composite material comprising:
- an iron-based alloy layer;
- an intermediate layer provided on the iron-based alloy layer;
- and
- a tungsten-containing layer provided on the intermediate layer, wherein
- the intermediate layer is composed of
- pure nickel or
- an alloy that contains at least one selected from a group consisting of copper, cobalt, and iron at more than 0 mass % and less than or equal to 71 mass % in total, and that contains nickel at more than or equal to 29 mass % and less than 100 mass %,
- a content ratio of tungsten of the tungsten-containing layer is more than or equal to 70 mass %, and
- a thickness of the intermediate layer is less than or equal to 50 μm.
6 more elements
(canceled)
Dependencies are inferred from the claim text.