Effects of Al-5Ti-B-2RE on the Microstructures and Mechanical Properties of Al-10Mg Alloy

Abstract:

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This paper reported the effects of Al-5Ti-B-2RE on the microstructures and mechanical properties of an Al-10Mg alloys. It has been shown that the addition of 6wt.% Al-5Ti-B-2RE alloy can decrease the average grain sizes and increase the mechanical properties of the Al-10Mg alloy. Grain refinement mechanism is due to TiAl3 andTiB2 particles formation nucleation of aluminum,rare earth elements enhancing the kinetics of α-Al nucleation and inducing low growing speed of crystals. And the grain refinement strengthening and dispersion strengthening lead to improve the mechanical properties.

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Periodical:

Edited by:

Qi Luo

Pages:

828-831

DOI:

10.4028/www.scientific.net/AMM.55-57.828

Citation:

J.Q. Li et al., "Effects of Al-5Ti-B-2RE on the Microstructures and Mechanical Properties of Al-10Mg Alloy", Applied Mechanics and Materials, Vols. 55-57, pp. 828-831, 2011

Online since:

May 2011

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$35.00

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