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Titolo:
Oxidation behavior of laser remelted plasma sprayed NiCrAlY and NiCrAlY-Al2O3 coatings
Autore:
Wu, YN; Zhang, G; Feng, ZC; Zhang, BC; Liang, Y; Liu, FJ;
Indirizzi:
Chinese Acad Sci, Met Res Inst, Shenyang 110015, Peoples R China Chinese Acad Sci Shenyang Peoples R China 110015 110015, Peoples R China Beijing Aeronaut Mfg Technol Res Inst, Key Lab High Energy Dens Beam Proc Technol, Beijing 100024, Peoples R China Beijing Aeronaut Mfg Technol Res Inst Beijing Peoples R China 100024 ina
Titolo Testata:
SURFACE & COATINGS TECHNOLOGY
fascicolo: 1, volume: 138, anno: 2001,
pagine: 56 - 60
SICI:
0257-8972(20010402)138:1<56:OBOLRP>2.0.ZU;2-K
Fonte:
ISI
Lingua:
ENG
Soggetto:
SUPERALLOY; ALLOY;
Keywords:
plasma sprayed; NiCrAlY-Al2O3; CO2 laser; oxidation resistance;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
Citazioni:
9
Recensione:
Indirizzi per estratti:
Indirizzo: Wu, YN Chinese Acad Sci, Met Res Inst, 72 Wenhua Rd, Shenyang 110015, Peoples R China Chinese Acad Sci 72 Wenhua Rd Shenyang Peoples R China 110015 hina
Citazione:
Y.N. Wu et al., "Oxidation behavior of laser remelted plasma sprayed NiCrAlY and NiCrAlY-Al2O3 coatings", SURF COAT, 138(1), 2001, pp. 56-60

Abstract

Two types of plasma sprayed coatings (NiCrAlY and NiCrAlY-Al2O3) were remelted by continuous wave CO2 laser. A homogeneous dense remelted layer without voids, cavities, unmelted particles and microcracks was formed. As a result of isothermal oxidation tests at 1000 degreesC, the weight gains of laser remelted coatings, especially laser remelted NiCrAlY-Al2O3 coatings, were obviously lower than plasma sprayed coatings. The effects of both laser remelting and incorporation of Al2O3 second phase in NiCiAlY matrix on high temperature oxidation resistance of plasma sprayed coatings was discussed. (C) 2001 Elsevier Science B.V. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 25/09/20 alle ore 00:11:05