Low-temperature dislocation internal friction in crystals

An analysis of the experimental and theoretical results related to studies of the low-temperature dislocation mobility by the internal friction method is given. It is shown that a number of unusual experimental results obtained at low and very low temperatures might be explained in the framework of...

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Bibliographic Details
Published in:Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 1993-05, Vol.164 (1), p.312-315
Main Authors: Natsik, V.D., Pal-Val, P.P.
Format: Article
Language:English
Subjects:
Applied sciences
Condensed matter: structure, mechanical and thermal properties
Defects and impurities in crystals
microstructure
Exact sciences and technology
Indirect evidence of dislocations and other defects (resistivity, slip, creep, strains, internal friction, epr, nmr, etc.)
Metals. Metallurgy
Physics
Structure of solids and liquids
crystallography
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Summary:An analysis of the experimental and theoretical results related to studies of the low-temperature dislocation mobility by the internal friction method is given. It is shown that a number of unusual experimental results obtained at low and very low temperatures might be explained in the framework of the existing theories modified by taking into account the influence of quantum effects and viscous drag on the overcoming by dislocations of various potential barriers in crystals.
ISSN:0921-5093
1873-4936
DOI:10.1016/0921-5093(93)90684-7