An evaluation of calcium as a eutectic modifier in A357 alloy

International Journal of Cast Metals Research

Volumn 11, Issue 3, 1998, Pages 145-155

  Abdollahi, A ^a   Gruzleski, J E ^a  

^a MCGILL UNIVERSITY   (Canada)

Author keywords

A357 alloy; Aluminium alloys; Calcium; Modification

Indexed keywords

EID: 0032272034     PISSN: 13640461     EISSN: None     Source Type: Journal    
DOI: 10.1080/13640461.1998.11819269     Document Type: Article

References (22)

1. D. P. Kanicki and W. M. Rasmussen, "Processing Aluminum-Part 1: Understanding Silicon Modification", Modern Casting, 1990, 80, 24-27.
2. J. E. Gruzleski and B. Closset, The Treatment of Liquid Aluminum-Silicon Alloys, (The American Foundrymen's Society, Illinois, 1990), pp. 1, 32, 211-222.
3. Alasar Pacz, United States Patent 1,387,900 (Aug. 16, 1921).
4. J. W. Rutter, "Modification of Eutectic Morphology", J. Crystal. Growth, 1977, 42, 515-525.
5. M. D. Hanna, Shu-Zu Lu and A. Hellawell, "Modification in the Aluminum Silicon system", Metallurgical Transactions A, 1984, 15A, 459-469.
6. Shu-Zu Lu and A. Hellawell, "The Mechanism of Silicon Modification in Aluminum-Silicon Alloys: Impurity Induced Twinning", Metallurgical Transaction A, 1987, 18A, 1721-1733.
7. Liu Qiyang, Li Qingchun and Liu Qifu, "Modification of Al-Si Alloys with Sodium", Acta Metall. Mater., 1991, 39, 2497-2502.
8. Shu-Zu Lu and A. Hellawell, "Modification of Al-Si Alloys: Thermal Analysis, and Mechanisms", Journal of Metals, 1995, 47, 38-40.
9. Shu-Zu Lu and A. Hellawell, "Modification and Refinement of Cast Al-Si Alloys", Light Metals, 1995, 989-993.
10. P. B. Crossley and L. F. Mondolfo, "The Modification of Aluminum-Silicon Alloys", Modern Casting, 1966, 49, 89-100.
11. P. Fartum, G. Halvorsen and J. Voje, "Modification and Grain Refinement of AlSiMg Foundry Alloys", Proceedings of the 4th International American Foundrymen's Society Conference on Molten Aluminum Processing, (Orlando, Florida, 1995), pp. 433-457.
12. D. D. Kassing, J. N. Schweitzer and F. L. Wuetig, "Sodium Versus Strontium for the Modification of the Hypoeutectic Aluminum-Silicon Alloys", Transactions of The American Foundrymen's Society, 1980, 87, 359-366.
13. N. Fat-Halla, "Recent Development in Hypoeutectic Al-Si A-S4G Alloy", J. Mater. Sci., 1990, 25, 3396-3400.
14. A. Latkowski, "Strontium as a Modifier for Aluminum-Silicon-Copper Alloys", Arch. Hutn., 1983, 28, 187-191.
15. L. Clampha and R. W. Smith, "Segregation Behaviour of Strontium in Modified and Unmodified Al-Si Alloys", Crystal Growth, 1988, 92, 263-270.
16. X. G. Chen and J. E. Gruzleski, "Measurement of Hydrogen in Aluminum-Silicon Foundry Alloys Using the Alscan Technique", Light Metals, 1995, 1079-1086.
17. W. La Orchan, H. Mulazimoglu and J. E. Gruzleski, "New Reduced Pressure Test Quantifies Hydrogen Content", Modern Casting, 1995, 85, 47-49.
18. D. Argo and J. E. Gruzleski, "Porosity in Modified Aluminum Alloy Casting", Transactions of The American Foundrymen's Society, 1988, 96, 65-74.
19. J. L. Jorstad and W. M. Rasmussen, "Aluminum Casting Technology", (Edited by D. L. Zalensas, AFS, Illinois, 1993), pp. 37-42.
20. W. La-Orchan, M. H. Mulazimoglu and J. E. Gruzleski, Quantification of the Reduced Pressure Test, (The American Foundrymen's Society, Alabama, 1991), pp. 653-659.
21. D. Emadi, Porosity Formation in Sr-Modified Al-Si Alloys, (Ph.D. Thesis, McGill University, Montreal, Canada, 1995), pp. 77-104.
22. N. Fat-Halla, "Structure, Mechanical Properties and Fracture of Aluminum Alloy A-356 Modified with Al-5Sr Master Alloy", J. Mater. Sci., 1987, 22, 1013-1018.