Paper Title:
Influence of Y Element on Microstructure and Mechanical Properties of ZK60 Alloy
  Abstract

Mg-4.9Zn-0.9Y-0.7Zr alloy and Mg-4.9Zn-0.7Zr used as compared alloy were prepared by ingot metallurgy method. The influence of Y addition on microstructure and properties was studied. Phase analysis, microstructure and morphology of second phases were investigated by XRD, OM and SEM. The component and morphology of the second phases was analyzed by EDAX and TEM. The results showed that, Y was an effective element strengthening Mg-Zn-Zr alloy, a large number of Mg3Zn6Y phase was formed due to the addition of Y. During the process of hot rolling, Mg3Zn6Y phase was pulverized into large amount of dispersion particles, which pinned dislocation effectively, so ultimate strength and yield strength at room temperature were improved, as well as good plasticity was remained.

  Info
Periodical
Advanced Materials Research (Volumes 284-286)
Chapter
Metal alloy Materials
Edited by
Xiaoming Sang, Pengcheng Wang, Liqun Ai, Yungang Li and Jinglong Bu
Pages
1568-1573
DOI
10.4028/www.scientific.net/AMR.284-286.1568
Citation
Y. Li, F. Xu, H. P. Liu, "Influence of Y Element on Microstructure and Mechanical Properties of ZK60 Alloy", Advanced Materials Research, Vols. 284-286, pp. 1568-1573, 2011
Online since
July 2011
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Price
$32.00
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