Grain growth controlled by mobile particles on grain boundaries
โ Scribed by Vladimir Yu. Novikov
- Book ID
- 113896173
- Publisher
- Elsevier Science
- Year
- 2006
- Tongue
- English
- Weight
- 172 KB
- Volume
- 55
- Category
- Article
- ISSN
- 1359-6462
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Ahatraet-A study has been made using transmission electron microscopy of the pinning of grain boundaries in aluminium during grain growth by fine dispersions of alumina particles. The boundary parameters have been determined with precision and the pinning effects measured using an approach due to As
The ability of second phase particles to migrate along with grain boundaries is shown to be determined not only by the particle mobility but also by the migration rate of the grain boundary where they locate. This leads to a duality in the mobile particle behaviour: they behave as either movable or