Journal
WEAR
Volume 254, Issue 5-6, Pages 461-467Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/S0043-1648(03)00134-0
Keywords
high temperature wear; glaze layer; oxidation; superalloy; nanostructure
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The evolution of microstructures in the glazed layer formed during high temperature sliding wear of Nimonic 80A against Stellite 6 at 750 degreesC using a speed of 0.314 m s(-1) under a load of 7 N has been investigated using scanning electron microscopy (SEM), energy. dispersive analysis by X-ray (EDX), X-ray diffraction (XRD) analysis, scanning tunnelling microscopy (STM) and transmission electron microscopy (TEM). The results indicate the formation of a wear resistant nano-structured glazed layer. The mechanisms responsible for the formation of the nano-polycrystalline glazed layer are discussed. (C) 2003 Elsevier Science B.V. All rights reserved.
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