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Dislocation Mobility in Copper and Zinc at 44°K

Jassby, K. M. and Vreeland, T., Jr. (1971) Dislocation Mobility in Copper and Zinc at 44°K. Scripta Metallurgica, 5 (11). pp. 1007-1011. ISSN 0036-9748. doi:10.1016/0036-9748(71)90146-3.

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The torsion technique for dislocation mobility studies in close-packed metallic crystals developed by Pope, et al. (1) was first extended to low temperatures by Gorman, et al. (2). With this method, dislocation displacements are observed by x-ray diffraction on a crystal surface which was previously bonded directly to the torsion machine. Therefore a bonding agent must be utilized which is sufficiently strong to transmit the torsional stress pulse but pliable enough to prevent damage to the very soft test crystal. Various mixtures of organic solvents were found to have suitable properties when cooled to their glass-transition temperatures, and with these bonding agents mobility experiments were extended down to 66°K (2, 3, 4, 5). The torsion tests were carried out in an apparatus in which the test crystal could be cooled to any temperature down to the freezing point of nitrogen.

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Additional Information:© 1971 Pergamon Press, Inc. Received September 22, 1971. This work was supported by the U. S. Atomic Energy Commission. CALT-767-P3-16.
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Atomic Energy CommissionUNSPECIFIED
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Issue or Number:11
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Official Citation:K.M. Jassby, T. Vreeland Jr., Dislocation mobility in copper and zinc at 44°K, Scripta Metallurgica, Volume 5, Issue 11, November 1971, Pages 1007-1011, ISSN 0036-9748, (
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:55489
Deposited By: Tony Diaz
Deposited On:03 Mar 2015 22:49
Last Modified:10 Nov 2021 20:46

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