Abstract:
对轧制态Mg-x Zn-0.5Er (x=0.5, 2.0,3.0, 4.0,质量分数,%)合金的腐蚀行为和机理进行研究。结果表明,第二相与基体之间的电位差由第二相的种类和尺寸决定。Mg-0.5Zn-0.5Er合金基体中占主导地位的纳米尺寸W相引起合金局部尖锐点蚀。但是,随着粗大W相或I相体积分数的增加,腐蚀反应优先在粗大W相或I相附近发生,腐蚀更加均匀,腐蚀速率加快。长期浸泡(14 d)结果表明,合金耐蚀性由高到低的顺序为Mg-0.5Zn-0.5Er>Mg-2.0Zn-0.5Er> Mg-3.0Zn-0.5Er> Mg-4.0Zn-0.5Er。
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Transactions of Nonferrous Metals Society of China
Year: 2022
Issue: 06
Volume: 32
Page: 1881-1895
4 . 5
JCR@2022
4 . 5 0 0
JCR@2022
ESI Discipline: MATERIALS SCIENCE;
ESI HC Threshold:66
JCR Journal Grade:1
CAS Journal Grade:2
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