EFFECT OF SOLUTE ATOMS UPON VACANCY CLIMB OF PRISMATIC DISLOCATIONS IN Al- 5% Mg ALLOY
The climb rate of prismatic dislocations in quenched Al-5% Mg Alloy was studied by bulk annealing and also by high-temperature electron microscopy of thin foils, In bulk and thin-foil specimens, loops and helices were always observed to grow. The activation energy was determined to be 0,95 plus or minus 0.05 ev. The results can be interpreted on the basis of a binding energy between vacancies and magnesium atoms which can be x0.1 to 0.4 ev, depending on their geometrical configuration. (auth)
- Research Organization:
- California Univ., Berkeley, CA (US). Lawrence Radiation Lab.
- DOE Contract Number:
- W-7405-ENG-48
- NSA Number:
- NSA-17-001953
- OSTI ID:
- 4769740
- Report Number(s):
- UCRL-10441
- Country of Publication:
- United States
- Language:
- English
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