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Morphology of Precipitates in Ni-Al-Cr Intermetallic Alloy

Journal Solid State Phenomena (Volume 130)
Volume APPLIED CRYSTALLOGRAPHY XX
Edited by Danuta Stróż & Małgorzata Karolus
Pages 159-162
DOI 10.4028/www.scientific.net/SSP.130.159
Citation Mirosław Pilawa et al., 2007, Solid State Phenomena, 130, 159
Online since December, 2007
Authors Mirosław Pilawa, Elżbieta Jezierska
Keywords Intermetallic, Ni3Al, Ni-Al-Cr, Super Alloy, TEM
Abstract

Transmission electron microscopy was used to study various morphologies of ordered precipitates in Ni3Al-Cr intermetallic alloy. It was found that γ’ precipitates in the interdendritic regions have the microstructure of a nickel base superalloy with its characteristic features. In addition to the primary γ’ precipitates some fine secondary precipitates were found.

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