Phase Analysis for Mg-Zn-Y Magnesium Alloys by Using Extraction Technology

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The structure, morphology and size distribution of phases in the Mg-Zn-Y magnesium alloys have very important effects on their mechanical properties. In this paper, the compound powders of Mg-Zn-Y phases were obtained from as cast and as aged Mg-6.0Zn-1.2Y and Mg-6.0Zn-0.6Zr-1.0Y magnesium alloys respectively by using of electrolysis extraction technology. Then several tests, such as X-ray diffraction (XRD), scanning electron microscopy (SEM) and energy dispersion X-ray detector (EDX), were performed to investigate the structure and morphology of these compound powders. The results proved that picric acid - acetic acid - ethanol electrolyte was useful than DDTC-CAS-carbinol electrolyte in the electron extraction for Mg-Zn-Y magnesium alloys. The XRD results showed that the Mg3Y2Zn3, Mg10Y2Zn, Mg3YZn6, Mg-Y-Zn quasicrystal phases were obtained from Mg-6.0Zn-1.2Y magnesium alloy, and Mg3Y2Zn3, Mg10Y2Zn, ZrO2 phases were obtained from Mg-6.0Zn-0.6Zr-1.0Y magnesium alloy. The analyses of morphology and size distribution of these phases were put forth in this paper.

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Periodical:

Materials Science Forum (Volumes 561-565)

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Edited by:

Young Won Chang, Nack J. Kim and Chong Soo Lee

Pages:

299-302

Citation:

C. P. Liu et al., "Phase Analysis for Mg-Zn-Y Magnesium Alloys by Using Extraction Technology", Materials Science Forum, Vols. 561-565, pp. 299-302, 2007

Online since:

October 2007

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$38.00

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