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An Investigation of Point Defects in NiAl Using Positron Annihilation Techniques
Published online by Cambridge University Press: 10 February 2011
Abstract
Vacancy-like defects in NiAl in the composition range 47 at.-% < CNi < 53 at.-% are investigated by means of positron lifetime spectroscopy and Doppler-broadening measurements. The observed lifetimes in the annealed samples confirm that defects are quenched-in during the production of the samples. Isochronal annealing of samples quenched at 1600°C and after proton irradiation show that the induced defects are quite different.
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- Copyright © Materials Research Society 1999