The grain refinement of Al-Si casting alloys

TMS Light Metals

Volumn , Issue , 2007, Pages 691-696

  Sigworth, Geoffrey K ^a   Smith, Catherine L ^b   Easton, Mark A ^c   Barresi, Joseph ^d   Kuhn, Tim A ^e  

^a Alcoa Primary Metals   (United States)

^b Comalco Research and Technical Support ^*  (Australia)

^c MONASH UNIVERSITY   (Australia)

^d Rio Tinto Aluminium Limited   (Australia)

^e ALCOA INC   (United States)

Author keywords

356; 357; A356; A357; Al Si alloys; Grain refining

Indexed keywords

ALUMINUM CASTINGS; COSTS; DISSOLUTION; GRAIN REFINEMENT; SOLUBILITY; TITANIUM;

CASTING ALLOYS; DELETERIOUS EFFECTS; SOLUBLE TITANIUM; TECHNICAL INFORMATION;

ALUMINUM ALLOYS;

EID: 34547858563     PISSN: 01470809     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (18)

1. A. Pacz: "Aluminum Alloy Casting and Process of Making the Same," U.S. Patent No. 1,860,947(31 May, 1932).
2. G. K. Sigworth: "The Grain Refining of Aluminum and Phase Relationships in the Al-Ti-B System," Met. Trans., 15A:277-282 (1984).
3. G.S. Cole, J. Cissé, H.W. Kerr, and G.F. Boiling, "Grain Refinement in Aluminum and Aluminum Alloys," AFS Trans, Vol. 80, pp. 211-218 (1972).
4. G. K. Sigworth and M.M. Guzowski: "Grain refining of Hypo-eutectic Al-Si Alloys," AFS Trans., Vol. 93, pp. 907-12 (1985).
5. G. K. Sigworth and M. M. Guzowski, "Grain Refiner for Aluminum Containing Silicon," U.S. Patent No. 5,055,256, (8 October, 1991) and 5,180,447 (19 January, 1993).
6. A. Cibula: "The Grain Refinement of Aluminum Alloy Castings by Additions of Titanium and Boron," Journal of the Inst. of Metals, Vol. 80, pp. 1-16, 1951-1952.
7. th Internat. Conf. on Aluminum Alloys, edited by J.F. Nie, A.J. Morton and B.C. Muddle, pp. 1222-1228, Inst. Materials Eng. Australasia (2004).
8. D.K. Young, B.T. Dunville, W.C. Setzer and F.P. Koch: "A Survey of Grain Refiners for Hypoeutectic Al-Si Alloys," Light Metals 1991, pp. 1115-1121.
9. C. J. Simensen: "Grain Refining of Al-7%Si Alloys," pp. 679-684, Light Metals 1999.
10. L. Backerud and M. Johnsson: "The Relative Importance of Nucleation and Growth Mechanisms to Control Grain Size in Various Aluminum Alloys," pp. 679-685, Light Metals 1996.
11. 3 Crystals in 356 Alloy Castings and Their Sedimentation in Foundry Equipment: Causes, Effects and Solutions," AFS Trans., Vol. 108, pp. 491-495 (2000).
12. X-G Chen and M. Fortier: "Formation of Primary TiAlSi Intermetallic Compounds in Al-Si Foundry Alloys," Materials Forum, Vol. 28, pp. 659-665 (2004).
13. M. Drouzy, S. Jacob and M. Richard: "Interpretation of Tensile Results by Means of a Quality Index," AFS International Cast Metals Journal, Vol. 5, pp 43-50 (1980).
14. M.S. Misra and K.J. Oswalt: "Aging Characteristics of TiRefined A356 and A357 Aluminum Castings," AFS Trans., Vol. 90, pp. 1-10 (1982).
15. P.L. Schaffer, A.K. Dahle and J. W. Zindel: "Grain Refiner Fade in Aluminum Alloys," Light Metals 2004, pp. 821-826.
16. J.A. Spittle: "Grain Refinement in Shape Casting of Aluminum Alloys," Internat. J. Cast Metals Research, Vol. 19, pp. 210-222 (2006).
17. K. Pasciak and G.K. Sigworth: "Role of Alloy Composition in Grain Refining of 319 Alloy," AFS Trans., Vol. 109, pp. 567-577, 2001.
18. G.K. Sigworth: "Grain Refining of Aluminum Casting Alloys," Sixth International AFS Conference on Melt Treatment of Aluminum, Orlando, Florida, Nov. 11-13, 2001, pp. 210-221.