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金属学报(英文版) 1999
EFFECT OF MICROSTRUCTURE CHANGE ON OXIDE FORMATION OF SPUTTERED Ni-3Cr-10Al NANOCRYSTALLINE COATINGKeywords: oxidation,Ni-3Cr-10Al,nanocrystalline coating Abstract: 1.IntroductionThesputterednanocrystallinecoatingswiththesameconlpositionasthesubstrateweresuccessfullyappliedtoK38Gll,Kl7F2]lLDZc53]Ni-basetlsuperalloys.Themaincharacterizati0nisthatnan0crystallizati0ncouldimpr0vetheselectiveoxidationofAl,therefore,thetransiti0nfr0minternalt0externaloxidati0nofAlisrealizedandanex-ternalAl2O3scaleisfOrn1ed.Niisthemainingredient0fNi-basedsuperal1oysandtheeffectivenessofthesesuperal1oysdependsgreatly0ntllepresellceofAlorCrtoformaprotectivelayerofAl2O:jo…
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