| 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) | C10-103 - C10-106 | |
| DOI | https://doi.org/10.1051/jphyscol:19851023 | |
Eighth International Conference on Internal Friction and Ultrasonic Attenuation in Solids
J. Phys. Colloques 46 (1985) C10-103-C10-106
DOI: 10.1051/jphyscol:19851023
Institute of Metal Research, Academia Sinica, Shenyang, China
J. Phys. Colloques 46 (1985) C10-103-C10-106
DOI: 10.1051/jphyscol:19851023
THE INFLUENCE OF PLASTIC DEFORMATION ON INTERNAL FRICTION IN TANTALUM-HYDROGEN ALLOYS
LI GUANGYI, PAN ZHENGLIANG, WANG XIAOWEI and XIAO JINGUANInstitute of Metal Research, Academia Sinica, Shenyang, China
Abstract
Low frequency internal friction has been measured for plastically deformed tantalum charged with hydrogen over the temperature range from 90 to 475K. After changing the α-peak (H-SK-Peak) is depressed, but a precipitation peak of hydrides appears at higher temperature. An additional torsion plastic deformation (twist) shows a remarkable effect on the precipitation peak. Subsequent aging treatment at about 475K may eliminate the effect completely. Possible causes of the phenomena are discussed in the light of the interaction between dislocations and solutes.