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Comparative Study of the Microstructure and Tensile Properties of Ni-Al Alloys with Fe and Cr Additions
Published online by Cambridge University Press: 10 February 2011
Abstract
The tensile behaviour of Ni-32at.% Al-5at.% Fe and Ni-32at.% Al-12 at.% Cr two-phase intermetallic compounds has been studied in the 20–750°C temperature range. TEM studies of the defect structures have been performed. Both alloys exhibit a brittle behaviour at room temperature, while at high temperature the Ni-Al-Cr alloy appears to be much more ductile that the Ni-Al-Fe alloy. Various reasons for the limited ductility and the brittle-to-ductile transition in these alloys are discussed.
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- Copyright © Materials Research Society 1999
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