J. Phys. Colloques
Volume 46, Numéro C10, Décembre 1985Eighth International Conference on Internal Friction and Ultrasonic Attenuation in Solids
|Page(s)||C10-285 - C10-288|
J. Phys. Colloques 46 (1985) C10-285-C10-288
DISLOCATION MOTION AT LOW TEMPERATURES IN HYDROGEN-FREE NbN. KURAMOCHI and S. OKUDA
Institute of Materials Science, University of Tsukuba, Sakura-mura, Ibaraki 305, Japan
Intrinsic dislocation motions in Nb at low temperatures are studied using hydrogen-free specimens. Internal friction measurements after deformation in liquid nitrogen and after slight deformation indicate that the apeak is composed of at least two components, the α1 and α2 which are attributed to kink diffusion along screw dislocation and kink pair formation on non screw dislocation respectively.