Temperature dependence of amplitude-dependent dislocation damping
- 1 December 1981
- journal article
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 52 (12), 7136-7142
- https://doi.org/10.1063/1.328687
Abstract
A theory of the damping due to the break‐away of dislocations from pinning points given by the authors for low temperatures has been extended into the high‐temperature range by taking into account thermal activation during break‐away. It has been found that in the high‐temperature range the amplitude dependence is described by the same formula as in the low‐temperature range (Granato‐Lücke formula) but the parameters have a different meaning.Keywords
This publication has 11 references indexed in Scilit:
- Amplitude-dependent internal friction calculations for dislocations in alloysActa Metallurgica, 1981
- Measurement of the Force-Distance Profile for the Interaction between a Dislocation and a Point DefectPhysical Review Letters, 1975
- Theory of High-Temperature Breakaway of Dislocations from a Row of Randomly Placed Pinning AgentsJournal of Applied Physics, 1972
- Amplitude-dependent and thermally activated mechanisms for extended dislocationsCanadian Journal of Physics, 1970
- Reaction Paths and Activation Energies for Dislocation UnpinningThe Journal of the Acoustical Society of America, 1969
- Theory of the Thermal Breakaway of a Dislocation from a Row of Equally Spaced Pinning PointsJournal of Applied Physics, 1969
- Thermally Assisted Unpinning of a Dislocation Double LoopJournal of Applied Physics, 1968
- A Theory of the Hysteretic Contribution to Internal Friction; Thermomechanical Unpinning of DislocationsJournal of Applied Physics, 1968
- Theory of the Thermal Breakaway of a Pinned Dislocation Line with Application to Damping PhenomenaJournal of Applied Physics, 1964
- Theory of Mechanical Damping Due to DislocationsJournal of Applied Physics, 1956