Document Detail

Changes in the Burgers vector of perfect dislocation loops without contact with the external dislocations.
MedLine Citation:
PMID:  16605927     Owner:  NLM     Status:  PubMed-not-MEDLINE    
We report the observations of a new type of changing process in the Burgers vector of dislocations by in situ transmission electron microscopy. Small interstitial-type perfect dislocation loops in bcc iron with diameters less than approximately 50 nm are transformed from a 1/2<111> loop to another 1/2<111> one or an energetically unfavorable <100> one; furthermore, a <100> loop is transformed to a 1/2<111> one. These transformations occurred on high-energy electron irradiation or simple heating without contact with external dislocations. The origin of these phenomena is discussed.
K Arakawa; M Hatanaka; E Kuramoto; K Ono; H Mori
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Publication Detail:
Type:  Journal Article     Date:  2006-03-31
Journal Detail:
Title:  Physical review letters     Volume:  96     ISSN:  0031-9007     ISO Abbreviation:  Phys. Rev. Lett.     Publication Date:  2006 Mar 
Date Detail:
Created Date:  2006-04-11     Completed Date:  2006-06-23     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0401141     Medline TA:  Phys Rev Lett     Country:  United States    
Other Details:
Languages:  eng     Pagination:  125506     Citation Subset:  -    
Research Center for Ultra-High Voltage Electron Microscopy, Osaka University, 7-1, Mihogaoka, Ibaraki, Osaka 567-0047, Japan.
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