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- Title
Effect of Degassing and Grain Refinement on Hot Tearing Tendency in Al8Si3Cu Alloy.
- Authors
Uludağ, Muhammet; Çetin, Remzi; Dispinar, Derya; Tiryakioğlu, Murat
- Abstract
The effect of melt quality on hot tearing susceptibility of Al8Si3Cu alloy was examined under six different conditions, by using a traditional T-shaped mold. Grain refinement was carried out by two different modifiers: AlTi5B1 and Al3B. For each test, samples were cast before and after degassing of melt. Therefore, a new hot tearing tendency index was developed by both bifilm calculations and porosity that occurred in the middle of T-zone of casting parts. Results indicated that hot tearing of cast aluminum alloys was a complex phenomenon, and bifilms play a major role, especially by compensating for shrinkage and consequently contributing to the inconsistencies in results.
- Subjects
ALUMINUM alloys; GRAIN refinement; DEGASSING of metals; MELTING; ALUMINUM castings; SIMULATION methods &; models
- Publication
International Journal of Metalcasting, 2018, Vol 12, Issue 3, p589
- ISSN
1939-5981
- Publication type
Article
- DOI
10.1007/s40962-017-0197-9