NDLI: Oxidation behavior of a single-crystal Ni-base superalloy in air at 900, 1000 and 1100 °C

Content Provider	Springer Nature Link
Author	Huang, L. Sun, X.F. Guan, H.R. Hu, Z.Q.
Copyright Year	2006
Abstract	The isothermal oxidation behavior of a single-crystal (SC) Ni-base superalloy was studied over the temperature range from 900 to 1100 °C and analyzed by OM, TGA, XRD, EDX, SEM and EPMA. The alloy obeyed subparabolic rate law during oxidation at 900 and 1000 °C, whereas the alloy showed parabolic rate law at 1100 °C exposure. The variations in the chemical composition due to segregations, which resulted from the solidification process, led to the formation of different kinds of oxide scale on the dendritic and interdendritic area during oxidation at 900 and 1000 °C, while the alloy exhibited relatively uniform oxidation at 1100 °C. The growth mechanism of the scale was discussed.
Starting Page	15
Ending Page	22
Page Count	8
File Format	PDF
ISSN	10238883
Journal	Tribology Letters
Volume Number	23
Issue Number	1
e-ISSN	15732711
Language	English
Publisher	Springer US
Publisher Date	2006-08-11
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Ni-base single-crystal superalloy oxidation microstructure kinetics Nanotechnology Physical Chemistry Theoretical and Applied Mechanics Surfaces and Interfaces, Thin Films Tribology, Corrosion and Coatings
Content Type	Text
Resource Type	Article
Subject	Surfaces, Coatings and Films Mechanics of Materials Mechanical Engineering Surfaces and Interfaces

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Oxidation behavior of a single-crystal Ni-base superalloy in air at 900, 1000 and 1100 °C