Effect of melt superheating on convection-free precipitation and sedimentation of primary α-Fe phase in liquid al-11.5Si-0.4Mg alloy

International Journal of Cast Metals Research

Volumn 15, Issue 6, 2003, Pages 595-608

  Cao, X ^a   Campbell, J ^b  

^a NATIONAL RESEARCH COUNCIL CANADA   (Canada)

^b UNIVERSITY OF BIRMINGHAM   (United Kingdom)

Author keywords

Aluminium alloys; Growth; Heat treatment of liquid metal; Intermatallic; Li quid metal processing; Nucleation; Oxide film; Precipitation; Purification; Sedimentation; Superheating; Fe phase

Indexed keywords

HEAT CONVECTION; HEATING; LIQUID METALS; MELTING; NUCLEATION; PARTICLE SIZE ANALYSIS; PRECIPITATION (CHEMICAL); SEDIMENTATION;

OXIDE FILMS;

ALUMINUM ALLOYS;

EID: 0038621600     PISSN: 13640461     EISSN: None     Source Type: Journal    
DOI: 10.1080/13640461.2003.11819546     Document Type: Article

References (24)

1. J. Campbell, Casting, Butterworth-Heinemann, Oxford, 1991, pp. 1-26.
2. J. Campbell, "New Concepts for Gating Steel Castings", Foundry Management & Technology, 2001, 2, 26-29.
3. X. Cao and J. Campbell, "Effect of Precipitation of Primary Intermetallic Compounds on Tensile Properties of Cast Al 11.5Si 0.4Mg Alloy", AFS Transactions, 2000, 108, 391-400.
4. X. Cao, "Heat Treatment of Liquid Metal-Precipitation and Sedimentation Processing of Liquid Al-11.5Si-0.4Mg Alloy", PhD Thesis, The School of Metallurgy and Materials, The University of Birmingham, 2001.
5. X. Cao and J. Campbell, "Precipitation of Primary Intermetallic Compounds in Liquid Al 11.5Si 0.4Mg Alloy", International Journal of Cast Metals Research, 2000, 13 (3), 175-184.
6. X. Cao and J. Campbell, "Convection-free Precipitation of Primary Iron-rich Phase in Liquid Al 11.5Si 0.4Mg Alloy", AFS Transactions, 2001, 109, 501-515.
7. X. Cao and J. Campbell, "A Critical Review of Techniques for the Removal of Oxide Films (Including the Heat Treatment of Liquid Metal)", Materials Solution 2002 Advances in Aluminium Casting Technology II, Columbus, Ohio, USA, Oct. 7-10, 2002, 135-146.
8. X. Cao and J. Campbell, "The Nucleation of Fe-rich Phases on Oxide Films in Al-11.5Si-0.4Mg Cast Alloys", Metallurgical and Materials Transaction, accepted 2003.
9. A. S. Osio, S. Liu and D. L. Olson, "The Effect of Solidification on the Formation and Growth of Inclusions in Low Carbon Steel Welds", Materials Science and Engineering, 1996, A221, 122-133.
10. E. E. Underwood, Quantitative Stereology, Lockheed-Georgia Company, Marietta, Georgia, 1970, p. 88.
11. S. A. Impey, D. J. Stephenson and J. R. Nicholls, "A Study of the Effect of Magnesium Additions on the Oxide Growth Morphologies on Liquid Aluminium Alloys", Proc. 1st Intl. Conf. Held at University of Cambridge, 1990.
12. S. A. Impey, D. J. Stephenson and J. R. Nicholls, "The Influence of Surface Preparation and Pretreatments on the Oxidation of Liquid Aluminium and Aluminium-Magnesium Alloys", Proc. 2nd Intl. Conf. on the Microscopy of Oxidation Held at Selwyn College, The University of Cambridge, March 29-31, 1993, pp. 323-337.
13. C. E. Ransley and H. Neufeld, "The Solubility Hydrogen in Liquid and Solid Aluminium", J. Inst. Metals, 1948, 74, pp. 599-620.
14. S. A. Impey, D. J. Stephenson and J. R. Nicholls, "Mechanism of Scale Growth on Liquid Aluminium", Materials Science and Technology, 1988, 4, pp. 1126-1132.
15. K. Werfers and C. Misra, "Oxides and Hydroxides of Aluminium", Alcoa Technical Paper No. 19 (Revised), Alcoa Laboratories, 1987.
16. 3", J. Solid State Chemistry, 1980, 34, pp. 315-322.
17. L. A. Narayanan, F. H. Samuel and J. E. Gruzleski, "Crystallization Behavior of Iron-containing Intermetallic Compounds in 319 Aluminium Alloy", Metallurgical and Materials Transactions A, 1994, 25A, pp. 1761-1773.
18. M. Plummer, "The Formation of Metastable Aluminas at High temperatures", J. Appl. Chem., 1958, 8, pp. 35-49.
19. K. S. Agema and D. J. Fray, "Preliminary Investigations on the Deformation Behaviors of an Oxide Scale on Molten Aluminium", Dept of Material Science and Metallurgy, University of Cambridge, 1989.
20. B. Bramfitt, "The Effect of Carbide and Nitride Additions on the Heterogeneous Nucleation Behaviour of Liquid Iron", Metallurgical Transactions, 1970, 1, pp. 1987-1995.
21. J. L. C. Daam, P. Villars and J. H. N. Van Vucht, Atlas of Crystal structure types for Intermetallic Phases, ASM International, July 1991.
22. G. Petzow and G. Effenberg, Ternary Alloys: A Comprehensive Compendium of Evaluated Constitutional Data and Phase Diagrams, ASM International, VCH Publishers, New York, 1992, Vol. 5, p. 30.
23. P. Villars and L. D. Calvert, Pearson's Handbook of Crystallographic Data for Intermetallic Phases, ASM International, July, 1991.
24. D. Munson, "A Clarification of the Phases Occurring in Aluminium-Rich Aluminium-Iron-Silicon Alloys, with Particular Reference to the Ternary Phase α-AlFeSi", J. Inst. Metals, 1967, 95, pp. 217-219.