A Low Environmental Load Modifying and Refining Treatment of Casting Al Alloys with RE

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Melt treatment is one of the most important processes in the production of casting Al alloys. It is also a source of environmental pollution. A green and effective melt treatment with low environmental load (EI), which added with RE (Rare Earth) elements, was investigated in the paper. The research results show that this new treatment can modify, refine and purify the casting Al alloys simultaneously. Compared with the conventional treatment, the process is simplified, the metallurgic quality and mechanical properties are improved, and the environmental pollution which existed in the conventional treatment is solved thoroughly, so represented its wide applicative values.

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Periodical:

Materials Science Forum (Volumes 475-479)

Main Theme:

Edited by:

Z.Y. Zhong, H. Saka, T.H. Kim, E.A. Holm, Y.F. Han and X.S. Xie

Pages:

429-432

Citation:

X. M. Mao et al., "A Low Environmental Load Modifying and Refining Treatment of Casting Al Alloys with RE", Materials Science Forum, Vols. 475-479, pp. 429-432, 2005

Online since:

January 2005

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$38.00

[1] X.L. Gu, The modification of eutectic Al-si alloy, Aluminium processing, No. 5, (1998), p.1.

[2] Z.H. Zhang and X.F. Bian, Effect of Sr-modifying treatment on hydrogen absorption of the melt and the shape of porosities, Foundry , No. 1, 1999, p.5.

[3] H.H. Lu and L.Y. Wang, The influence of Sr on the microstructure and properties of Al-Si alloy, Foundry , No. 9, ( 1997), p.44.

[4] D.G. Tang and Q.C. Li, Rare Earth alloy-A Superior Choice for Refining and Modifying Cast Al Alloys. Proceedings of the Second China international Die Casting congress, Shanghai China, No. 4, 2000, p.116.

[5] Z.Y. OuYang, X.M. Mao etc., The influence of Rare Earth on the P modified hypereutectic Al-si alloy, Special Casting and Nonferrous Alloys, No. 1(2003), p.22.

[6] Alefeld, G and Volkl, J ed Hydrogen in metals 2, Berlin, Springer (1978).

[7] J.Q. Yu, Collection of binary status diagrams, shanghai Science and Technical press, (1987).

[8] M. Jin, Z.J. Qi etc., study and application of a new compound modifying and purifying agent-Al-Sr-RE, Ferrous metals and Application of Rare earth, No. 1( 1994), P34~39.

[9] X.M. Mao, D.G. Tang etc. A new approach to treatment of casting Al alloys without pollution, The Chinese Journal of Nonferrous Metals, No. 3, 2002, p.43~47.