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TECHNICAL PAPERS

Fraction Solid Measurements on Solidifying Melt

[+] Author and Article Information
Sayavur I. Bakhtiyarov, Ruel A. Overfelt, Sorin G. Teodorescu

Materials Processing Center, 202 Ross Hall, Mechanical Engineering Department, Auburn University, Auburn, AL 36849-5341, USA

J. Fluids Eng 126(2), 193-197 (May 03, 2004) (5 pages) doi:10.1115/1.1677450 History: Received January 26, 2003; Revised June 30, 2003; Online May 03, 2004
Copyright © 2004 by ASME
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References

L. Bäckerud, Chai, G., and Tamminen, J., 1997, “Solidification Characteristics of Aluminum Alloys,” 2 , Foundry Alloys, AFS/Skanaluminium.
Saunders,  N., 1996, “Phase Diagram Calculations for Commercial Al-Alloys,” Mater. Sci. Forum, 217–222, pp. 667–672.
Huang,  H., Suri,  V. K., Hill,  J. L., and Berry,  J. T., 1991, “Heat Source/Sink Algorithm for Modeling Phase Changes During Solidification in Castings and Water Evaporation in Green Sand Molds,” AFS Transactions, 54, pp. 685–689.
Stefanescu,  D. M., Upadhya,  G., and Bandyopaadhyay,  D., 1990, “Heat Transfer-Solidification Kinetics Modeling of Solidification of Castings,” Metall. Trans., 2A, pp. 997–1005.
Kiuchi,  M., Sugiyama,  S., and Arai,  K., 1979, “Experimental Study on Mushy Metal Forming,” J. Jpn. Soc. Technol. Plast., 20(223), pp. 762–765.
Kiuchi,  M., and Sugiyama,  S., 1994, “A New Method of Detect Solid Fractions of Mushy/Semi-Solid Metals and Alloys,” Annals of The CIRP, 43(1), pp. 1–4.
Jeng,  S. C., and Chen,  S. W., 1996, “Determination of The Solidification Characteristics of The A356.2 Aluminum Alloy,” Mater. Sci. Forum, 217–222, pp. 283–288.
Flemings, M. C., Solidification Processing, McGraw-Hill, 1972.
Djurdjevic,  M. B., Kierkus,  W. T., Byczynski,  G. E., Stockwell,  T. J., and Sokolowski,  J. H., 1999, “Modeling of Fraction Solid for the 319 Aluminum Alloy,” AFS Transactions, 14, pp. 173–179.
Iida, T., and Guthrie, R. I. L., The Physical Properties of Liquid Metals, Clarendon Press, Oxford, 1988, pp. 227–229.
Moffatt,  H. K., 1965, J. Fluid Mech., 22(3), pp. 521–528.
Rappaz,  M., 1989, “Modeling of Microstructure Formation in Solidification Processes,” Int. Mater. Rev., 34(3), pp. 93–123.

Figures

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Schematics of experimental apparatus used for electrical resistivity measurements of solid and molten metals
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Diagram of sample-magnetic field-optical furnace arrangement and heating energy focus action
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Contour lines for magnetic induction (in 10−4 T) at different distances between magnets: (a) 12 cm; (b) 9 cm; (c) 8 cm; (d) 7 cm
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Cooling curve for A319 aluminum alloy at different cooling rates
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First derivative curve versus temperature for A319 aluminum alloy at different cooling rates
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Measured torque for A319 aluminum alloy at different cooling rates
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Variation of measured torque with temperature for A319 aluminum alloy at different cooling rates
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Variation of parameter φ with temperature for A319 aluminum alloy at different cooling rates
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Solidification curves for A319 aluminum alloy at different cooling rates compared to linear model
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Solidification curves for A319 aluminum alloy at different cooling rates compared to Scheil’s model

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