Influences of Melt Temperature on Casting Structure of Al-Cu-Mn Alloy Treated by Electric Pulse Modification

Abstract:

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It was investigated that the effect of electric pulse modification (EPM) on the hot tearing of Al-5%Cu-0.8%Mn alloy. The results indicate that hot tearing tendency of all samples can be reduced treated by electric pulse with different parameters, moreover, hot tearing stress of alloy with EPM was enhanced 3 times or so than that of samples without treatment. Decreasing the quantity of eutectic in grain boundaries, decreasing the end-solidifying temperature of the alloys, and refining the grains are main causations for increasing hot tearing resistance of Al-5%Cu-0.8%Mn alloy by electric pulse modification.

Info:

Periodical:

Advanced Materials Research (Volumes 299-300)

Edited by:

Jianzhong Wang and Jingang Qi

Pages:

408-411

DOI:

10.4028/www.scientific.net/AMR.299-300.408

Citation:

B. Wang et al., "Influences of Melt Temperature on Casting Structure of Al-Cu-Mn Alloy Treated by Electric Pulse Modification", Advanced Materials Research, Vols. 299-300, pp. 408-411, 2011

Online since:

July 2011

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Price:

$35.00

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