Dendrite coarsening and microsegregation in Al-Cu alloys
β Scribed by Basaran, Metin
- Book ID
- 112807988
- Publisher
- The Minerals, Metals & Materials Society
- Year
- 1981
- Tongue
- English
- Weight
- 717 KB
- Volume
- 12
- Category
- Article
- ISSN
- 1543-1916
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π SIMILAR VOLUMES
Coarsening of a dendritic Al-10 wt.% Cu alloy at 570 Β°C was investigated by fast in situ X-ray tomography. The variation of the specific solid-liquid interface area as a function of time was found to follow a power-law relation with an exponent close to Γ1/4. Three coarsening mechanisms operate in t
Observations have been made on coarsening of O-&Al2 precipitates at the surface of AI-G alloys. One specific area was examined over extended periods so that dissolution and growth of individual precipitates could be followed. It was found that nearly all precipitates shrank on ageing, even those lar