Effect of Alloying Elements on the Microstructure and Properties of AZ91D-xCa-ySr

Qing Zhu Sun; Hai Bo Wang; Yong Chang Zhu

doi:10.4028/www.scientific.net/AMR.591-593.993

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 591-593Effect of Alloying Elements on the Microstructure...

Effect of Alloying Elements on the Microstructure and Properties of AZ91D-xCa-ySr

Abstract:

In this paper, the microstructure and properties of AZ91D-xCa-ySr were studied by adding alloying elements. The mechanical properties were investigated by WDT-10 micro-electric universal testing machine and WD-T low cycle fatigue testing machine. The OLYMPUS-GX71 Optical electronic microscope, XRD and SEM were employed to investigate the microstructure of AZ91D. The results showed that the grains were refined by adding Ca,Sr,Gd and Y. Low cycle fatigue (LCF) behavior of AZ91D-0.4Ca-0.3Sr was improved obviously by adding 3.0%Gd and 3.0%Y into material, the tensile strengthen was up to 299Mpa, the elongation was 0.78%.

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Periodical:

Advanced Materials Research (Volumes 591-593)

Pages:

993-996

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.591-593.993

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Online since:

November 2012

Authors:

Qing Zhu Sun, Hai Bo Wang, Yong Chang Zhu

Keywords:

AZ91D-xCa-ySr Magnesium Alloys, Gd, Y

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