The Mechanical Properties of Al-30Si Alloy by Friction Stir Processing

Abstract:

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Friction stir processing (FSP) was applied to modify the surface of a hypereutectic alloy Al-30wt.%Si, the influence of FSP passes on the size and morphology of Si particles, the mechanical properties of the materials in the stir zone was investigated. In the nugget by FSP, the silicon particles were intensely refined to several micrometers and spheroidized, and the refinement and spheroidization degree increased with FSP passes. The tensile behavior of the alloy by FSP has typically plastic feature. With FSP passes increasing, the tensile strength and the elongation increased gradually, and the improvement ratio of the elongation is more obvious. The improvement is attributed to the spheroidization and refinement of silicon particles by FSP.

Info:

Periodical:

Advanced Materials Research (Volumes 189-193)

Edited by:

Zhengyi Jiang, Shanqing Li, Jianmin Zeng, Xiaoping Liao and Daoguo Yang

Pages:

3601-3604

DOI:

10.4028/www.scientific.net/AMR.189-193.3601

Citation:

Y. H. Jiang et al., "The Mechanical Properties of Al-30Si Alloy by Friction Stir Processing", Advanced Materials Research, Vols. 189-193, pp. 3601-3604, 2011

Online since:

February 2011

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Price:

$35.00

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