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首页> 外文期刊>Transactions of Nonferrous Metals Society of China >Microstructure and corrosion property of AZ61 magnesium alloy by electromagnetic stirring
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Microstructure and corrosion property of AZ61 magnesium alloy by electromagnetic stirring

机译:电磁搅拌AZ61镁合金的组织和腐蚀性能

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摘要

The influence of permanent-magnet-driven stirring during solidification on the microstructure and corrosion property of AZ61 magnesium alloy was investigated. The corrosion behaviour of AZ61 was studied in 3.5mol/L NaCl by measuring electrochemical polarization. The results show that the permanent-magnet stirring refines the microstructure of AZ61 magnesium alloy, which improves the precipitation amount and distribution uniformity of β phase and decreases the content of hydrogen, but it has less influence on the distribution uniformity of Zn. The change of precipitation amount of β phase influences the corrosive nature of the matrix, and it has no direct proportion with the corrosion resistance of the matrix.
机译:研究了凝固过程中永磁驱动搅拌对AZ61镁合金组织和腐蚀性能的影响。通过测量电化学极化,研究了AZ61在3.5mol / L NaCl中的腐蚀行为。结果表明,永磁搅拌细化了AZ61镁合金的组织,提高了β相的析出量和分布均匀性,降低了氢含量,但对Zn的分布均匀性影响较小。 β相沉淀量的变化会影响基体的腐蚀性能,与基体的耐蚀性没有直接关系。

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