Affiliation:
1. Materials Science and Engineering, University of Nevada, Reno Reno, Nevada 89557-0388.
Abstract
This work investigates the oxidation of a nickel-based superalloy, namely Alloy X, in water at elevated temperatures: subcritical water at 261°C and 27 MPa, the transition between subcritical and supercritical water at 374°C and 27 MPa, and supercritical water at 380°C and 27 MPa for 100 h. The morphology of the sample surfaces were studied using scanning electron microscopy coupled with focused ion beam milling, and the surface chemistry was investigated using x-ray diffraction, Raman spectroscopy, energy dispersive x-ray spectroscopy, and x-ray photoelectron spectroscopy before and after exposure studies. Surfaces of all samples were identified to comprise of a ferrite spinel containing aluminum.
Publisher
Association for Materials Protection and Performance (AMPP)
Subject
General Materials Science,General Chemical Engineering,General Chemistry
Cited by
1 articles.
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