Dynamic Compressive Behavior and Damage Mechanism of Magnesium Alloy

Huan Ju He; Ling Feng Zhang; Shao Zhe Li

doi:10.4028/www.scientific.net/AMR.1120-1121.1124

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 1120-1121Dynamic Compressive Behavior and Damage Mechanism...

Dynamic Compressive Behavior and Damage Mechanism of Magnesium Alloy

Abstract:

The dynamic compression test was carried out for the AZ91 Magnesium alloy of as-cast and aging state with a split Hopkinson pressure bar, and the dynamic behavior has been investigated. Finally the fracture surface of samples at the different strain rates was analyzed by scanning electron microscope (SEM). The results show that compared with the as-cast AZ91, it is more impressible for the solid solution and age-treatment AZ91 at the similar strong strain rates, while the stress-strain curve has the duality of positive and negative effects as the variation of strain rate.

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Periodical:

Advanced Materials Research (Volumes 1120-1121)

Pages:

1124-1128

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1120-1121.1124

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Online since:

July 2015

Authors:

Huan Ju He, Ling Feng Zhang, Shao Zhe Li

Keywords:

AZ91 Magnesium Alloy, Cleavage Fracture, High Strain, Hopkinson Bar

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