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Issue J. Phys. Colloques
Volume 46, Number C10, Décembre 1985
Eighth International Conference on Internal Friction and Ultrasonic Attenuation in Solids
Page(s) C10-363 - C10-366
DOI http://dx.doi.org/10.1051/jphyscol:19851081

Eighth International Conference on Internal Friction and Ultrasonic Attenuation in Solids

J. Phys. Colloques 46 (1985) C10-363-C10-366
DOI: 10.1051/jphyscol:19851081

DISLOCATION CONTRIBUTION TO THE DAMPING PHENOMENA ACCOMPANYING RECRYSTALLIZATION IN Al

E. BONETTI1, P. GONDI2 and R. MONTANARI3

1  Dipartimento di Fisica, Università di Bologna, Via Irnerio 46, Bologna, Italy
2  Gruppo Nazionale di Struttura della Materia
3  Dipartimento di Ingegneria Meccanica, II Università di Roma, Tor Vergata, Roma, Italy


Résumé
On a suivi les premières étages de la recristallisation de lames minces d'aluminium par observations de frottement intérieur, module élastique, métallographie et X.R.D.. Les résultats sont interprété en termes d'émission des dislocations par les joints de grains, associé à la nucléation.


Abstract
The initial recrystallization stages of cold rolled Al sheets have been followed by internal friction , elastic modulus, metallographic and X-ray diffraction observations. The results are interpreted in terms of dislocation emission from the grain boundaries, connected with nucleation.





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