	US 12,134,127 B2
	Composite member
Hiroshi Shiratori, Tokyo (JP); Kazuya Shinagawa, Tokyo (JP); Kousuke Kuwabara, Tokyo (JP); and Shuho Koseki, Tokyo (JP)
Assigned to Proterial, Ltd., Tokyo (JP)
Filed by Proterial, Ltd., Tokyo (JP)
Filed on Dec. 8, 2023, as Appl. No. 18/533,431.
Application 18/533,431 is a continuation of application No. 17/765,731, granted, now 11,883,880, previously published as PCT/JP2021/013889, filed on Mar. 31, 2021.
Claims priority of application No. 2020-064437 (JP), filed on Mar. 31, 2020.
Prior Publication US 2024/0109123 A1, Apr. 4, 2024
Int. Cl. B22F 7/02 (2006.01); B22F 1/00 (2022.01); B22F 10/28 (2021.01); C22C 1/04 (2023.01); C22C 19/05 (2006.01); B33Y 10/00 (2015.01); B33Y 70/00 (2020.01); B33Y 80/00 (2015.01)

CPC B22F 1/00 (2013.01) [B22F 7/02 (2013.01); B22F 10/28 (2021.01); C22C 1/0433 (2013.01); C22C 19/055 (2013.01); C22C 19/056 (2013.01); B22F 2301/15 (2013.01); B22F 2303/01 (2013.01); B22F 2304/10 (2013.01); B22F 2999/00 (2013.01); B33Y 10/00 (2014.12); B33Y 70/00 (2014.12); B33Y 80/00 (2014.12)]

2 Claims

1. A composite member comprising:

a base material; and

an alloy layer laminated on a surface of the base material, wherein

the alloy layer which is a laminated model having a solidification structure, includes, by mass %,

Cr: 18 to 22%,

Mo: 18 to 28%,

Ta: 1.5 to 57%,

C: 1.0 to 2.5%

Nb: 0 to 42%,

Ti: 0 to 15%,

V: 0 to 27%,

Zr: 0 to 29%, and

a remainder consisting of Ni and unavoidable impurities, where a molar ratio of (Ta+0.7Nb+Ti+0.6V+Zr)/C=0.5 to 1.5 is satisfied, and wherein

the solidification structure is a dendrite crystal structure having a metal phase having a face-centered cubic structure and carbides including a carbide phase mainly containing any element of Ta, Nb, Ti, V, and Zr.