On the dynamic origin of dislocation structures in deformed solids
✍ Scribed by J. Kratochvíl
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 706 KB
- Volume
- 164
- Category
- Article
- ISSN
- 0921-5093
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📜 SIMILAR VOLUMES
Pure polycrysmlline aluminium specimens have been cyclically deformed at total strain amplitudes in the range 2 x 10 -4 to 1.4 x I0 -.~ at temperatures of 77 K, 163 K and 223 K. Transmission electron microscopy studies of dislocation configurations have been made. Wall structures including persisten
## Abstract It is found by the method of transmission electron microscopy that the main elements of dislocation structure of deformed corundum are spatial triple dislocation nodes, recombination zones and dislocation network fragments. The structure of dislocation nodes is analyzed. It is shown tha
the 1:l alloys (including two 3:2 alloys) and 0.55~ .lO for the 1:3 alloys. The variance of the data for the 1:3 alloys was analyzed statistically yielding a confidence level of 1 per cent for the constancy of Tc/Ts. TABLE I RATIO OF DISORDERING TO SOLIDUS TEMPERATURE\* Alloy Tc"C TPC (Tc/Ts) Refere