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首页> 外文会议>XV international conference on electron microscopy >The effect of additions of Zn and Zr on the microstructure and texture of cast and wrought Mg alloys with different content of Ca
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The effect of additions of Zn and Zr on the microstructure and texture of cast and wrought Mg alloys with different content of Ca

机译：Zn和Zr的添加对不同Ca含量的铸锻Mg合金组织和织构的影响

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The microstructure of magnesium alloys containing 1% and 2.5% Mg, as well as the addition of 6% Zn and 0.6% Zr was examined in as-cast and as-extruded condition. After the casting process, the presence of Mg_2Ca and Ca_2Mg_6Zn_3 phases was determined by means of the scanning electron microscopy (SEM) and X-ray diffractometry (XRD). The microstructure of MgCa0.8Zn6.1Zr0.6 and MgCa2.8Zn6.1Zr0.6 alloys after the extrusion process revealed an impact of Zr addition on grain refinement. The electron backscatter diffraction (EBSD) analysis showed that, among all the tested alloys, the smallest grain size was found in the MgCa2.8Zn6.1Zr0.6 alloy and the mean grain diameter amounted to about 4 μm. The analysis of texture has indicated that the lattice planes most often parallel to the cross-sections of the examined magnesium rods are the crystal lattice planes (10 10).
机译：在铸态和挤压态下检查了含1％和2.5％Mg的镁合金的微观结构，以及添加了6％Zn和0.6％Zr的镁合金。在铸造过程之后，借助于扫描电子显微镜（SEM）和X射线衍射仪（XRD）确定Mg_2Ca和Ca_2Mg_6Zn_3相的存在。 MgCa0.8Zn6.1Zr0.6和MgCa2.8Zn6.1Zr0.6合金在挤压过程后的微观结构显示出Zr添加对晶粒细化的影响。电子背散射衍射（EBSD）分析表明，在所有测试合金中，MgCa2.8Zn6.1Zr0.6合金的晶粒最小，平均晶粒直径约为4μm。织构分析表明，最经常平行于所检查的镁棒横截面的晶格平面是晶格平面（10 10）。

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