Actions for Electric Current Enhanced Point Defect Mobility in Ni3Ti Intermetallic [electronic resource].

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Electric Current Enhanced Point Defect Mobility in Ni3Ti Intermetallic [electronic resource].

Published
Washington, D.C. : United States. Dept. of Energy, 2004.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
PDF-file: 15 pages; size: 0.1 Mbytes
Additional Creators
Lawrence Berkeley National Laboratory, United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
The effect of the application of a DC current on the annealing of point defects in Ni₃Ti was investigated by positron annihilation spectroscopy (PAS). An increased rate of point defect annealing is observed under the influence of a current and is attributed to a 24% decrease in the mobility activation energy. The results are interpreted in terms of the electron wind effect and the complex nature of diffusion in ordered intermetallic phases. This work represents the first direct evidence of the role of the current on the mobility of point defects in intermetallic systems.
Report Numbers
E 1.99:ucrl-jrnl-202236
ucrl-jrnl-202236
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Note
Published through SciTech Connect.
02/05/2004.
"ucrl-jrnl-202236"
Published in: Applied Physics Letters, vol. 85, no. 4, July 26, 2004, pp. 573-575 85 4 ISSN 0003-6951; APPLAB FT
Munir, Z A; Asoka-Kumar, P; Anselmi-Tamburini, U; Glade, S C; Garay, J E.
Funding Information
W-7405-ENG-48
View MARC record | catkey: 14447220