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An investigation of point defects in NiAl using positron annihilation techniques

Conference ·
OSTI ID:20001640
Vacancy-like defects in NiAl in the composition range 47 at.% {lt} C{sub Ni} {lt} 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 1,600 C and after proton irradiation show that the induced defects are quite different.
Research Organization:
Technische Univ. Graz (AT)
Sponsoring Organization:
Fonds zur Foerderung der Wissenschaftlichen Forschung of Austria
OSTI ID:
20001640
Report Number(s):
CONF-981104--; ISBN 1-55899-458-0; ISSN 1067-9995
Country of Publication:
United States
Language:
English

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