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Comments on Dislocation Velocity and Macro-Deformation in Molybdenum

Vreeland, T., Jr. and Turner, A. P. L. (1969) Comments on Dislocation Velocity and Macro-Deformation in Molybdenum. Scripta Metallurgica, 3 (4). pp. 193-194. ISSN 0036-9748. doi:10.1016/0036-9748(69)90298-1.

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This note presents several comments on the paper "Dislocation Velocity Measurements in High Purity Molybdenum" by Prekel, Lawley, and Conrad (PLC). PLC concluded from their result "that plastic deformation of molybdenum is controlled by the thermally assisted overcoming of the Peierls-Nabarro hills by the double kink mechanism proposed by Seeger, at least in the stress ranges that were examined". Further PLC suggest that "the same mechanism is operative during micro- and macro straining", and "the equivalence of experimental data from strain rate change experiments and dislocation velocity measurements also substantiates the usual assumption that the mobile dislocation density and long range internal stress field remain constant during a strain rate change."

Item Type:Article
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Additional Information:© 1969 Pergamon Press, Inc. Received December 6, 1968. CALT-767-1.
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Issue or Number:4
Record Number:CaltechAUTHORS:20150311-075735654
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Official Citation:T. Vreeland Jr., A.P.L. Turner, Comments on dislocation velocity and macro-deformation in molybdenum, Scripta Metallurgica, Volume 3, Issue 4, April 1969, Pages 193-194, ISSN 0036-9748, (
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:55694
Deposited By: Tony Diaz
Deposited On:11 Mar 2015 17:37
Last Modified:10 Nov 2021 20:49

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