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Titolo:
Corrosion behavior of ion nitrided stainless steels containing Mo
Autore:
Choe, HC; Hwang, KY; Kim, KH;
Indirizzi:
Kwang Yang Coll, Dept Iron Mfg & Met Engn, Chonnam 545800, South Korea Kwang Yang Coll Chonnam South Korea 545800 , Chonnam 545800, South Korea Kwang Yang Coll, Ind Acad, Govt Collaborat Res Inst, Chonnam 545800, SouthKorea Kwang Yang Coll Chonnam South Korea 545800 t, Chonnam 545800, SouthKorea Chonnam Natl Univ, Dept Met Engn, Kwangju 500757, South Korea Chonnam NatlUniv Kwangju South Korea 500757 Kwangju 500757, South Korea
Titolo Testata:
JOURNAL OF THE JAPAN INSTITUTE OF METALS
fascicolo: 7, volume: 64, anno: 2000,
pagine: 490 - 494
SICI:
0021-4876(200007)64:7<490:CBOINS>2.0.ZU;2-X
Fonte:
ISI
Lingua:
JPN
Soggetto:
NITROGEN;
Keywords:
ion nitriding; pitting corrosion; chromium carbide; chromium nitride; synergistically; pit nucleation rate;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
Citazioni:
16
Recensione:
Indirizzi per estratti:
Indirizzo: Choe, HC Kwang Yang Coll, Dept Iron Mfg & Met Engn, Chonnam 545800, South Korea Kwang Yang Coll Chonnam South Korea 545800 545800, South Korea
Citazione:
H.C. Choe et al., "Corrosion behavior of ion nitrided stainless steels containing Mo", J JPN METAL, 64(7), 2000, pp. 490-494

Abstract

Corrosion behavior of ion nitrided stainless steels (SS) containing Mo wasinvestigated by electrochemical methods. The morphologies of ion nitrided stainless steel were analyzed using optical microscopy and scanning electron microscopy (SEM). Pitting corrosion resistance is improved remarkably in the case of ion nitrided SS containing 4.05 mass% Mo at 653 It for 30 h because Mo acts to form a protective surface layer against Cl- ion and nitrited film such as Fe4Nformed on the surface at low nitriding temperature. In the case of ion nitriding at 823 K, the pit nucleation rate and the number of pit decreased asthe Mo content increased owing to retardation of the nucleation and growthof chromium carbide or nitride at the grain boundaries.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 11/07/20 alle ore 07:27:35