Influences of Thermal Gradient and Solidus Velocity on Porosity Content in A201 Aluminum Alloy Castings

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With systematic change in the riser size, together with variation of thickness and length, A201 aluminum alloys were cast in 100% silica sand molds. The higher the thermal gradient, the lower the porosity content was measured in the A201 aluminum alloy plate casting. And the faster the solidus velocity, the more the porosity content in this study. The porosity content of A201 aluminum alloy was influenced by both of thermal gradient and solidus velocity at same time in this study. Basically, high thermal gradient with slow solidus velocity seems get lower porosity content in A201 aluminum alloy castings.

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255-258

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January 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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[1] Y.S. Kuo, Study of Riser Feeding Behavior of High Strength A201 Aluminum Alloy, Ph. D. Thesis, NCKU, Tainan, Taiwan, ROC (1990).

Google Scholar

[2] S.D. Felicelli, E. Escoburde Obaldia, and C.M. Pita, Simulation of Hydrogen Porosity During Solidification, AFS Transactions, Vol. 115, pp.47-59, (2007).

Google Scholar

[3] S.T. McClain, J.T. Berry, and B. Dawsey, A Study of Porosity and Pore Morphology in Aluminum A356. 2 Step Castings, AFS Transactions, Vol. 111, pp.147-158, (2003).

Google Scholar

[4] S. Poola, S. Felicelli, S. Leggett, and J.T. Berry, "A Reexamination of Factors Affecting porosity.

Google Scholar

[5] J.E. Hatch, Aluminum Properties and Physical Metallurgy, ch. 6, ASM (1984).

Google Scholar

[6] ASM Metals Handbook Castings, Vol. 15 9th. Ed. pp.577-580, (1989).

Google Scholar

[7] Y.S. Kuo & E. Chang The Influence of Thermal Parameter to the Porosity Content of A201 Aluminum Plate Castings, Chinese Foundry Annual Proceeding pp.74-83, (1991).

Google Scholar

[8] R.A. Entwisetle, J.E. Gruzleski and P.M. Thomas, Development of Porosity in Aluminum Base Alloys, AFS Trans. Vol. 85 pp.345-349, (1977).

Google Scholar

[9] G.V. Kutumba Rao, Action of Chills on Solidification and Soundness of Aluminum- Copper-Silicon Alloy Castings, Ph.D. Thesis IIL Madras (1972).

Google Scholar

[10] N.S. Mahadevan and M.R. Seshadri, Dimensioning of Risers for Long Freezing Range Aluminum Alloys, AFS Cast Metals Research Journal pp.77-82, (June 1971).

Google Scholar

[11] Y.S. Kuo, Effects of Solidification Time on Porosity Content in A201 Aluminum Alloy Castings , Advanced Materials Research, Vols. 311-313, pp.648-652, (2011).

DOI: 10.4028/www.scientific.net/amr.311-313.648

Google Scholar

[12] S.D. Pathak and O. Prabhaker Phenomenological Analysis of Feeding in Aluminum Base Alloys, AFS Transactions, vol. 78, pp.421-428, (1970).

Google Scholar