An Investigation on the Overheating of A357 Aluminum Alloy

Abstract:

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The structure and properties of A357 aluminum alloy with different second dendrite arm spacing (SDAS) in different situations of overheating were investigated. The results indicate that serious overheating characteristic structure takes on compound melting ball, crystal separating phase and overheating triangle section; The overheating level of A357 alloy raises with solution temperature increasing; The mechanical properties decrease with the overheating level increasing; The overheating temperature of casting increases as the SDAS decreases, the regression equations of the correlation between SDAS and overheating temperature is as follows: T = 575.46-0.213SDAS; Optimum solution temperature could be selected for A357 alloy with different SDAS depending on supercritical solution region proposed in this paper.

Info:

Periodical:

Advanced Materials Research (Volumes 97-101)

Edited by:

Zhengyi Jiang and Chunliang Zhang

Pages:

1049-1052

DOI:

10.4028/www.scientific.net/AMR.97-101.1049

Citation:

J. H. Pan et al., "An Investigation on the Overheating of A357 Aluminum Alloy", Advanced Materials Research, Vols. 97-101, pp. 1049-1052, 2010

Online since:

March 2010

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Price:

$35.00

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