EFFECT OF LOW BERYLLIUM CONCENTRATIONS ON THE RECRYSTALLIZATION OF THE PUREST ALUMINUM (RAFFINAL) (in German)
Journal Article
·
· changed to MTLLA
OSTI ID:4830113
The addition of small quantities of Be to Al causes a significant reduction of the recrystallization temperatures. Since foreign atoms generally lead to an increased recrystallization temperature, the effect of the Be can be explained as a precipitation of the dissolved Fe by compound formation. This was confirmed by diffusion studies in which the existence of a reaction product between Be and Fe was detected. Electron microscopic diagrams obtained from vapor-deposited foils illustrate the accelerated growth of the recrystallization nuclei in the Becontaining sheets. Be-free samples under similar conditions lead only to an improvement of the sub-grain structure. The retardation of recovery and recrystallization processes by dissolved foreign atoms (iron) can be traced back to the blocking of lattice faults. (tr-auth)
- Research Organization:
- Aluminium-Industrie A.G., Neuhausen/Rheinfall, Switzerland
- NSA Number:
- NSA-16-019402
- OSTI ID:
- 4830113
- Journal Information:
- changed to MTLLA, Journal Name: changed to MTLLA Vol. Vol: 16; ISSN MEALA
- Country of Publication:
- Country unknown/Code not available
- Language:
- German
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