US 12,305,074 B2
Corrosion-resistant member
So Miyaishi, Tokyo (JP); Masahiro Okubo, Tokyo (JP); Masayuki Yoshimura, Tokyo (JP); Wataru Sakane, Tokyo (JP); Teppei Tanaka, Tokyo (JP); Saeko Nakamura, Tokyo (JP); Takuya Imai, Tokyo (JP); Tetsuo Sakurai, Tokyo (JP); and Koyuki Mesuda, Tokyo (JP)
Assigned to Resonac Corporation, Tokyo (JP)
Appl. No. 18/011,372
Filed by SHOWA DENKO K.K., Tokyo (JP)
PCT Filed Jun. 21, 2021, PCT No. PCT/JP2021/023403
§ 371(c)(1), (2) Date Dec. 19, 2022,
PCT Pub. No. WO2022/038886, PCT Pub. Date Feb. 24, 2022.
Claims priority of application No. 2020-139202 (JP), filed on Aug. 20, 2020.
Prior Publication US 2023/0235183 A1, Jul. 27, 2023
Int. Cl. C09D 5/08 (2006.01); C09D 1/00 (2006.01); C09D 5/00 (2006.01)
CPC C09D 5/084 (2013.01) [C09D 1/00 (2013.01); C09D 5/002 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A corrosion-resistant member comprising:
a base material containing aluminum or an aluminum alloy; and
a corrosion-resistant coating film formed on a surface of the base material, wherein the corrosion-resistant coating film contains aluminum fluoride hydroxide AlF3-x(OH)x in which a space group belongs to R-3c, and x in the AlF3-x(OH)x is 0.05 or more and 1.00 or less.