C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 22/40 (2006.01) C09D 5/08 (2006.01) C23C 22/07 (2006.01) C23C 22/08 (2006.01) C23C 22/10 (2006.01) C23C 22/23 (2006.01) C23C 22/48 (2006.01) C23C 30/00 (2006.01) C23F 11/12 (2006.01) C23F 11/14 (2006.01) C23F 11/18 (2006.01)
Patent
CA 2245741
A surface-treated metallic material having a corrosion-resistant coating layer consisting mainly of a compound of a rare earth element (lanthanum, cerium, etc.) with an oxoacid, an oxoacid compound, or a mixture thereof.
La présente invention concerne un matériau métallique à traitement de surface présentant une couche de revêtement résistant à la corrosion. Cette couche est principalement constituée d'un composé dans la composition duquel entre un élément de type terre rare, tel que notamment le lanthane ou le cérium, et un oxoacide, un composé oxoacide, ou l'un de leurs mélanges.
Kaneda Yoshihiro
Sakashita Masao
Sakon Tadashi
Shoji Hiromasa
Tadokoro Kenichiro
Goudreau Gage Dubuc
Nippon Steel Corporation
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