Comments on stage III and stage IV annealing mechanisms in molybdenum

J.H. Evans

Comments on stage III and stage IV annealing mechanisms in molybdenum

J.H. Evans

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Abstract

Recent work on molybdenum giving evidence for interstitial and vacancy migration in stages III and IV respectively has been critically examined. Although the suggested annealing scheme is attractive, it is demonstrated that the evidence does not quantitatively support such a model. Alternatively it is argued that other investigations including recent positron annihilation studies point strongly to vacancy migration in stage III. In addition it is proposed that stage IV after neutron irradiation is due to the migration of some small vacancy cluster, possibly the trivacancy or tetravacancy.

Original language	English

Place of Publication	Roskilde, Denmark
Publisher	Risø National Laboratory
Number of pages	16
ISBN (Print)	87-550-0235-6
Publication status	Published - 1973

Series	Risø-M
Number	1663
ISSN	0418-6435

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Risø-M-1663

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AB - Recent work on molybdenum giving evidence for interstitial and vacancy migration in stages III and IV respectively has been critically examined. Although the suggested annealing scheme is attractive, it is demonstrated that the evidence does not quantitatively support such a model. Alternatively it is argued that other investigations including recent positron annihilation studies point strongly to vacancy migration in stage III. In addition it is proposed that stage IV after neutron irradiation is due to the migration of some small vacancy cluster, possibly the trivacancy or tetravacancy.

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SN - 87-550-0235-6

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BT - Comments on stage III and stage IV annealing mechanisms in molybdenum

PB - Risø National Laboratory

CY - Roskilde, Denmark

ER -

Comments on stage III and stage IV annealing mechanisms in molybdenum

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