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Titolo:
Resistance of thermal-sprayed duplex coating composed of aluminum and 80Ni-20Cr alloy against aqueous corrosion
Autore:
Ishikawa, K; Suzuki, T; Tobe, S; Kitamura, Y;
Indirizzi:
Tokyo Metallikon Co Ltd, Tokyo 1430003, Japan Tokyo Metallikon Co Ltd Tokyo Japan 1430003 Co Ltd, Tokyo 1430003, Japan Ajinomoto Co Inc, Kawasaki, Kanagawa 2108681, Japan Ajinomoto Co Inc Kawasaki Kanagawa Japan 2108681 Kanagawa 2108681, Japan Ashikaga Inst Technol, Ashikaga 3260845, Japan Ashikaga Inst Technol Ashikaga Japan 3260845 ol, Ashikaga 3260845, Japan Kitamura Tech Consultant Off, Kamakura, Kanagawa 2470062, Japan Kitamura Tech Consultant Off Kamakura Kanagawa Japan 2470062 70062, Japan
Titolo Testata:
JOURNAL OF THERMAL SPRAY TECHNOLOGY
fascicolo: 3, volume: 10, anno: 2001,
pagine: 520 - 525
SICI:
1059-9630(200109)10:3<520:ROTDCC>2.0.ZU;2-M
Fonte:
ISI
Lingua:
ENG
Keywords:
80Ni-20Cr alloy; aluminum; aqueous corrosion; duplex coating; polarization; wire flame spraying;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
Citazioni:
8
Recensione:
Indirizzi per estratti:
Indirizzo: Ishikawa, K Tokyo Metallikon Co Ltd, Tokyo 1430003, Japan Tokyo MetallikonCo Ltd Tokyo Japan 1430003 o 1430003, Japan
Citazione:
K. Ishikawa et al., "Resistance of thermal-sprayed duplex coating composed of aluminum and 80Ni-20Cr alloy against aqueous corrosion", J THERM SPR, 10(3), 2001, pp. 520-525

Abstract

The development of corrosion-resistant sprayed coatings without sealing isrequired to increase the reliability of the thermal spray coating method and to expand the field of application for wet corrosion environments. The conventional wire flame-sprayed aluminum coating on steel without sealing has poor resistance against aqueous corrosion and has restricted practical use. A duplex coating composed of sprayed aluminum on an 80Ni-20Cr alloy undercoat exhibited sufficient resistance in a hot, near-neutral aqueous environment through a trial use in a vegetable oil process. In this paper, the mechanism of corrosion resistance of the duplex coating is investigated by electrochemical polarization measurements and electron probe microchemical analysis (EPMA) to examine the individual role of each layer and the change of the microstructure with time.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 27/01/20 alle ore 01:18:38