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Titolo:
The surface characteristics and corrosion behavior of plasma nitrided austenitic stainless steel containing Mo
Autore:
Choe, HC; Hwang, KY; Kim, KH;
Indirizzi:
Kwang Yang Coll, Dept Iron Mfg & Met Engn, Kwang Yang 545800, Chonnam, South Korea Kwang Yang Coll Kwang Yang Chonnam South Korea 545800 honnam, South Korea Kwang Yang Coll, Ind Acad Govt Collaborat Res Inst, Kwang Yang 545800, Chonnam, South Korea Kwang Yang Coll Kwang Yang Chonnam South Korea 545800 honnam, South Korea Iwaki Meisei Univ, Adv Mat Res & Dev Ctr, Tokyo 1918506, Japan Iwaki Meisei Univ Tokyo Japan 1918506 es & Dev Ctr, Tokyo 1918506, Japan 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: 2, volume: 64, anno: 2000,
pagine: 79 - 84
SICI:
0021-4876(200002)64:2<79:TSCACB>2.0.ZU;2-0
Fonte:
ISI
Lingua:
JPN
Soggetto:
SENSITIZATION; PASSIVITY;
Keywords:
plasma nitriding; intergranular corrosion; chromium carbide (Cr23C6); chromium nitride (CrN); synergistically;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
Citazioni:
18
Recensione:
Indirizzi per estratti:
Indirizzo: Choe, HC Kwang Yang Coll, Dept Iron Mfg & Met Engn, Kwang Yang 545800, Chonnam, South Korea Kwang Yang Coll Kwang Yang Chonnam South Korea 545800 outh Korea
Citazione:
H.C. Choe et al., "The surface characteristics and corrosion behavior of plasma nitrided austenitic stainless steel containing Mo", J JPN METAL, 64(2), 2000, pp. 79-84

Abstract

The surface characteristics and corrosion behavior of plasma nitrided austenitic stainless steel containing Mo has been investigated using a wear tester, a micro-hardness tester and potentiostat equipment. It was found that plasma nitriding at 823 K, compared with at 653 K, resulted in a thick nitrided layer, and consequently good wear resistance and hardness, as the nitriding time increased. Whereas for the Mo addition, wear resistance and hardness decreased. Intergranular corrosion(IGC) resistance improved significantly in the case of plasma nitrided SS containing 4.05 mass%Mo at 653 K because the nitrogen and Mo act synergistically to form a protective surface layer which is responsible for the aggressive SCN- ion. Plasma nitriding at 823 K decreased IGC resistance as the Mo content increased owing to retardation of the nucleation and growth of chromium carbide (Cr23C6) or nitride(CrN) in grain boundary.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 07/07/20 alle ore 12:20:36