公开(公告)号：US20240227353A1

公开(公告)日：2024-07-11

申请号：US17926088

申请日：2022-03-25

Applicant: A.L.M.T. Corp.

Inventor： Naoya MATSUTA

IPC: B32B15/01 ,  B23K20/02 ,  B32B15/20

CPC classification number: B32B15/01 ,  B23K20/023 ,  B32B15/20

Abstract: A composite material includes: a first member containing tungsten as a primary component; a second member containing copper as a primary component, the second member being joined to the first member; and a metal containing at least one metal selected from a group consisting of titanium, zirconium, and hafnium, the metal being present in the second member, wherein a concentration of the metal is more than 0 atomic % and less than or equal to 5.0 atomic % at a location of 5 μm from a joining interface between the first member and the second member toward the second member side.

公开(公告)号：US20230086909A1

公开(公告)日：2023-03-23

申请号：US17800422

申请日：2021-10-12

Applicant: A.L.M.T. Corp.

Inventor： Naoya MATSUTA

IPC: B32B15/01 ,  C22C19/03 ,  C22C9/06

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 %.