文章基本信息

标题：Dynamic corrosion mechanical properties of magnesium alloys with Erbium in the chloride ions environment
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作者：Miao Yang ; Liyun Xing ; Xiaobo Liu 等
期刊名称：MATEC Web of Conferences
电子版ISSN：2261-236X
出版年度：2022
卷号：355
页码：1-10
DOI：10.1051/matecconf/202235501006
语种：English
出版社：EDP Sciences
摘要：The X-ray diffraction (XRD), scanning electron microscope (SEM), weight loss corrosion rate, corrosion residual strength (CRS), and slow strain rate tensile (SSRT) methods were used to study the effects of the addition of rare earth Erbium (Er) on the dynamic corrosion mechanical properties of the AM50 magnesium alloy. The results show that after Er was added, a new phase of Al3Er appeared and the microstructure was refined. The corrosion resistance of rare earth Er addition to the alloy was 0.5% > 1.5% > 1.0% > 0. Furthermore, the corrosion rates decreased in 432 h. The CRS results within 168 h show that the strength after an addition of 0.5% Er was the highest and the decline rate was the smallest. According to the shape of the tensile curve of CRS and the morphology of the tensile fracture, the addition of rare earth Er did not change the fracture form of the alloy, which remained as quasi-cleavage.
关键词：Magnesium alloy;Corrosion;Rare earth Erbium;Corrosion residual strength