US 12,264,384 B2
Composite material
Isao Iwayama, Osaka (JP); Ryota Matsugi, Osaka (JP); and Takahiro Nishimizu, Sakata (JP)
Assigned to A.L.M.T. CORP., Tokyo (JP)
Appl. No. 17/598,990
Filed by A.L.M.T. Corp., Tokyo (JP)
PCT Filed Mar. 13, 2020, PCT No. PCT/JP2020/011138
§ 371(c)(1), (2) Date Sep. 28, 2021,
PCT Pub. No. WO2020/203185, PCT Pub. Date Oct. 8, 2020.
Claims priority of application No. 2019-065969 (JP), filed on Mar. 29, 2019.
Prior Publication US 2022/0186347 A1, Jun. 16, 2022
Int. Cl. C22C 1/10 (2023.01); C22C 26/00 (2006.01); C22C 29/06 (2006.01); C22C 47/08 (2006.01)
CPC C22C 26/00 (2013.01) [C22C 1/10 (2013.01); C22C 29/065 (2013.01); C22C 47/08 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A composite material comprising:
a metallic phase;
a non-metallic phase; and
a specific element, wherein
at least 90 mass % of the metallic phase is composed of at least one selected from the group consisting of Ag and Cu,
the non-metallic phase includes a coated core material,
the coated core material includes a core material and a carbide layer that covers at least a part of a surface of the core material,
the core material contains at least one carbon-containing material selected from the group consisting of diamond, graphite, carbon fibers, and silicon carbide,
the carbide layer contains a carbide of at least one metal element selected from the group consisting of Ti, Cr, Ta, and V,
the specific element is at least one selected from the group consisting of Y and Mg,
the specific element is in a form of particles, and
a total content of the specific element is not lower than 0.0004 mass % and not higher than 1.3 mass %.