Microstructure and mechanical properties of Mg-Zn-Y alloy containing LPSO phase and I-phase

被引：20
|
作者：
Ye, Zhijian [1 ]
Teng, Xinying [1 ]
Lou, Gui [1 ]
Zhou, Guorong [1 ]
Leng, Jinfeng [1 ]
机构：
[1] Univ Jinan, Sch Mat Sci & Engn, 336 West Rd Nan Xinzhuang, Jinan 250022, Shandong, Peoples R China
来源：
MATERIALS RESEARCH EXPRESS | 2017年 / 4卷 / 08期
基金：
中国国家自然科学基金;
关键词：
Mg-Zn-Y alloy; microstructure; icosahedral quasicrystal; LPSO; mechanical properties; AS-CAST; TRANSFORMATIONS;
D O I：
10.1088/2053-1591/aa7f8f
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Microstructure and mechanical properties of Mg-Zn-Y alloy including LPSO phase and I-phase was investigated. Transmission electron microscopy, x-ray diffraction analysis and differential scanning calorimeter analysis reveal that the LPSO (long period stacking ordered structure) phase and I-phase can co-exist within the alpha-Mg matrix. Wherein, the quasicrystal phases exist in the (I-phase + alpha-Mg) eutectic structures. In the Mg-Zn-Y alloy, it is also found that 14 H type LPSO phases consist of LPSO phase and I-phase. With the addition of quasicrystal master alloy content, the microstructures are refined, and the mechanical properties are enhanced.
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页数：7
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