Ca对镁锰合金组织和腐蚀性能的影响
Research Studies On Foundry Equipment（2005）
Abstract
研究了Ca对镁锰合金显微组织和腐蚀性能的影响。当镁锰合金中加入的Ca含量达到0.6%时,镁锰合金的晶粒显著细化,并且腐蚀速率下降为原来的11.8%。其原因主要是由于形成了Mg2Ca相,使镁锰合金的腐蚀电流密度降低,从而阻碍了镁锰合金的腐蚀。
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Key words
corrosion,calcium,magnesium alloy,polarization curves,microstructure
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