Influence of Solution Treatment on Atomic Diffusion and Mechanical Properties of AZ80 Magnesium Alloy

Jumei Zhang; Zhi Hu Wang; Wan Chang Sun; Li Bin Niu

doi:10.4028/www.scientific.net/AMR.479-481.27

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 479-481Influence of Solution Treatment on Atomic...

Influence of Solution Treatment on Atomic Diffusion and Mechanical Properties of AZ80 Magnesium Alloy

Abstract:

The atomic diffusion and mechanical properties of as-cast AZ80 magnesium alloy after solution treatment at different time were studied by OM,SEM,EDS as well as tensile testing. The results show that the coarse β-Mg₁₇Al₁₂ phase distributed along the grain boundaries as net microstructure is almost dissolved after solution treatment, and the content of Al that in the α-Mg matrix is well distributed with the solution time prolonged. Because of the β-Mg₁₇Al₁₂ phase reducing and granulating, the function of precipitates phase strengthening was depressed and the hardness (HB) of alloy dropped obviously. However, the tensile strength(σb ) and elongation(δ) enhanced remarkably and the yield strength (σ_0.2) decreased slightly.

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Periodical:

Advanced Materials Research (Volumes 479-481)

Pages:

27-30

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https://doi.org/10.4028/www.scientific.net/AMR.479-481.27

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Online since:

February 2012

Authors:

Jumei Zhang, Zhi Hu Wang, Wan Chang Sun, Li Bin Niu

Keywords:

Atomic Diffusion, AZ80 Magnesium Alloy, Mechanical Property, Solution Treatment

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