Microstructures and Damping Capacity of Mg-6Zn-0.5Zr Alloy

Xian Lan Liu; Chu Ming Liu; Wen Yu Zhang; Jian Hua Luo; Su Min Zeng

doi:10.4028/www.scientific.net/AMR.557-559.1624

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 557-559Microstructures and Damping Capacity of...

Microstructures and Damping Capacity of Mg-6Zn-0.5Zr Alloy

Abstract:

The dynamic mechanical analyzer (DMA) was applied to investigate the damping properties of Mg-6Zn-0.6Zr alloys. The results show that the as-cast Mg-6Zn-0.6Zr alloy exhibits higher strain amplitude independent damping performance than that of as-homogenized. The strain amplitude dependent damping of the as-homogenized has the best damping performance with the strain amplitude from 3×10-5 to 6×10-4, and the as-extruded is the lowest. When the strain amplitude exceeded 6×10-4, the as-extruded has the best damping capacity all the time within the experimental strain amplitude, and all the alloys reach the high damping capacity. Two critical strain amplitude points were detected in the alloy as-extruded and as-homogenized. The damping peak value is 0.0192 with the strain amplitude of 1.5×10-3 presented in the alloy as-extruded.

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Advanced Materials Research (Volumes 557-559)

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1624-1628

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https://doi.org/10.4028/www.scientific.net/AMR.557-559.1624

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Online since:

July 2012

Authors:

Xian Lan Liu, Chu Ming Liu, Wen Yu Zhang, Jian Hua Luo, Su Min Zeng

Keywords:

Damping Peak, High Damping, Mg-6Zn-0.6Zr Alloys, Microstructure

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