| Numéro |
J. Phys. Colloques
Volume 46, Numéro C10, Décembre 1985
Eighth International Conference on Internal Friction and Ultrasonic Attenuation in Solids
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|---|---|---|
| Page(s) | C10-215 - C10-218 | |
| DOI | https://doi.org/10.1051/jphyscol:19851048 | |
Eighth International Conference on Internal Friction and Ultrasonic Attenuation in Solids
J. Phys. Colloques 46 (1985) C10-215-C10-218
DOI: 10.1051/jphyscol:19851048
Institut für Allgemeine Metallkunde und Metallphysik, Techn. Hochschule, D-5100 Aachen, F.R.G.
J. Phys. Colloques 46 (1985) C10-215-C10-218
DOI: 10.1051/jphyscol:19851048
DISLOCATION DRAG DUE TO RANDOMLY DISTRIBUTED POINT OBSTACLES
J. SCHLIPFInstitut für Allgemeine Metallkunde und Metallphysik, Techn. Hochschule, D-5100 Aachen, F.R.G.
Abstract
A model is presented for thermally activated dislocation motion in concentrated alloys. It takes into account the extra friction exerted by the weaker obstacles when a stronger obstacle is overcome. It predicts an internal friction behavior which is strongly dependent on temperature, frequency, concentration, and strain amplitude.