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Dislocation Dynamics Investigated by Means of Nuclear Magnetic Resonance a Complementarynew Technique

Published online by Cambridge University Press:  26 February 2011

J. Th. M. De Hosson  and
O. Kanert
J. Th. M. De Hosson
Affiliation:
Department of Applied Physics, Materials Science Centre, University of Groningen, Nijenborgh 18, 9747 AG Groningen, The Netherlands
O. Kanert
Affiliation:
Institute of Physics, University of Dortmund, 4600 — Dortmund 50, FRG
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Abstract

Pulsed nuclear magnetic resonance proved to be a new complementary technique for the study of moving dislocations in Al—base alloys. Spin—lattice relaxation measurements clearly indicate that fluctuations in the quadrupolar field caused by moving dislocations in Al—base alloys are different compared to those in ultra—pure Al. From the motion induced part of the spin—lattice relaxation rate the mean jump distance of mobile dislocations has been determined as a function of strain. Measurements have been performed on Al—Cu, Al—Li and Al—Zn binary alloys. Asa typical illustration of the strength of this technique, this paper reports the resultsobtained of Al—(1—2 at%) Zn solid solution.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 82: Symposium I – Characterization of Defects in Materials , 1986 , 303
Copyright
Copyright © Materials Research Society 1987

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References

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