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Volume 26 Issue 10
Oct.  2019
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文章导航 >  矿物冶金与材料学报（英文）  > 2019  >  26(10): 1274-1284
Ying-zhong Ma, Chang-lin Yang, Yun-jin Liu, Fu-song Yuan, Shan-shan Liang, Hong-xiang Li, and Ji-shan Zhang, Microstructure, mechanical, and corrosion properties of extruded low-alloyed Mg–xZn–0.2Ca alloys, Int. J. Miner. Metall. Mater., 26(2019), No. 10, pp. 1274-1284. https://doi.org/10.1007/s12613-019-1860-3
Cite this article as:
Ying-zhong Ma, Chang-lin Yang, Yun-jin Liu, Fu-song Yuan, Shan-shan Liang, Hong-xiang Li, and Ji-shan Zhang, Microstructure, mechanical, and corrosion properties of extruded low-alloyed Mg–xZn–0.2Ca alloys, Int. J. Miner. Metall. Mater., 26(2019), No. 10, pp. 1274-1284. https://doi.org/10.1007/s12613-019-1860-3
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研究论文

Microstructure, mechanical, and corrosion properties of extruded low-alloyed Mg–xZn–0.2Ca alloys

  • State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing, Beijing 100083, China

  • State Key Laboratory of Solidification Processing, Northwestern Polytechnical University, Xi'an 710072, China

  • Center of Digital Dentistry, Peking University School and Hospital of Stomatology, Beijing 100081, China

  • Second Clinical Division, Peking University Hospital of Stomatology, Beijing 100081, China

  • 通讯作者:

    Hong-xiang Li    E-mail: hxli@skl.ustb.edu.cn

    Ji-shan Zhang    E-mail: zhangjs@skl.ustb.edu.cn

  • The microstructure, mechanical, and corrosion properties of extruded low-alloyed Mg-xZn-0.2Ca (x=0, 1.0, 2.0, 3.0) alloys were investigated in this study. Findings from scanning electron microscope, X-ray diffraction and transmission electron microscopy results indicate that the amount of ternary Ca2Mg6Zn3 phase, as the only secondary phase in 1.0Zn, 2.0Zn, and 3.0Zn alloys, gradually increases with the addition of Zn, while the Mg2Ca phase was observed in the Mg-0.2Ca alloy only. Zn has a strong effect on the orientation and intensity of textures, which also influence mechanical behaviors, as revealed by electron back-scatter diffraction. Among all the alloys, the Mg-2.0Zn-0.2Ca alloy obtains the maximum tensile strength (278 MPa) and yield strength (230 MPa). Moreover, Zn addition has an evident influence on the corrosion properties of Mg-xZn-0.2Ca alloy, and Mg-1.0Zn-0.2Ca alloy exhibits the minimum corrosion rate. This paper provides a novel low-alloyed magnesium alloy as a potential biodegradable material.
    • Research Article

    Microstructure, mechanical, and corrosion properties of extruded low-alloyed Mg–xZn–0.2Ca alloys

    + Author Affiliations
      Abstract
    • The microstructure, mechanical, and corrosion properties of extruded low-alloyed Mg-xZn-0.2Ca (x=0, 1.0, 2.0, 3.0) alloys were investigated in this study. Findings from scanning electron microscope, X-ray diffraction and transmission electron microscopy results indicate that the amount of ternary Ca2Mg6Zn3 phase, as the only secondary phase in 1.0Zn, 2.0Zn, and 3.0Zn alloys, gradually increases with the addition of Zn, while the Mg2Ca phase was observed in the Mg-0.2Ca alloy only. Zn has a strong effect on the orientation and intensity of textures, which also influence mechanical behaviors, as revealed by electron back-scatter diffraction. Among all the alloys, the Mg-2.0Zn-0.2Ca alloy obtains the maximum tensile strength (278 MPa) and yield strength (230 MPa). Moreover, Zn addition has an evident influence on the corrosion properties of Mg-xZn-0.2Ca alloy, and Mg-1.0Zn-0.2Ca alloy exhibits the minimum corrosion rate. This paper provides a novel low-alloyed magnesium alloy as a potential biodegradable material.
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