Deformation Behavior of Aluminum Alloy during Semi-Solid Compression

Abstract:

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By semi-solid aluminum alloy compression test, deformation mechanism of semi-solid aluminum alloy was investigated, the thixotropic strength existing in semi-solid aluminum alloy was verified and the influences of temperature and strain rate on the deformation mechanism and thixotropic strength were discussed. The results show that there are 4 stages in the process of compression deformation for semi-solid aluminum alloy: stress swift growth stage, stress drop stage, steady stress stage and stress gradual growth stage. The semi-solid billet has a thixotropic strength, which is sensitive to temperature and strain rate. The higher the temperature or the higher the strain rate is, the smaller the thixotropic strength of the semi-solid alloy.

Info:

Periodical:

Solid State Phenomena (Volumes 141-143)

Edited by:

G. Hirt, A. Rassili, A. Bührig-Polaczek

Pages:

647-652

DOI:

10.4028/www.scientific.net/SSP.141-143.647

Citation:

Z. M. Du et al., "Deformation Behavior of Aluminum Alloy during Semi-Solid Compression", Solid State Phenomena, Vols. 141-143, pp. 647-652, 2008

Online since:

July 2008

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Price:

$35.00

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