Paper Title:

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

Periodical Applied Mechanics and Materials (Volumes 55 - 57)
Main Theme Recent Trends in Materials and Mechanical Engineering Materials, Mechatronics and Automation
Edited by Qi Luo
Pages 828-831
DOI 10.4028/www.scientific.net/AMM.55-57.828
Citation J.Q. Li et al., 2011, Applied Mechanics and Materials, 55-57, 828
Online since May, 2011
Authors J.Q. Li, J.L. Chen, Xianyi Li, Xiao Li Ma
Keywords Al-10Mg Alloy, Al-5Ti-B-2RE Addition, Microstructure
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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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