在非高锰酸钾的锰盐和磷酸盐组成的体系中,加入镁缓蚀剂,在AZ31D镁合金上获得了化学转化膜.用阳极极化曲线和中性盐溶液浸泡测试了转化膜的耐蚀性,转化膜经5%NaCl侵蚀后具有自愈合能力.XRD分析表明,转化膜主要为Mn3(PO4)2;SEM观察表明,转化膜为规则的结晶状形貌.
参考文献
[1] | Raymond F. Decker .The renaissance in magnesium[J].Advanced Materials & Processes,1998(3):31-33. |
[2] | Guang Ling Song;Andrej Atrens .Corrosion mechanisms of magnesium alloys[J].Advanced Engineering Materials,1999(1):11-33. |
[3] | Hiroyuki Umehara .An Investigation of the Structure and Corrosion Resistance of a Permanganate Conversion Coating on AZ91D Magnesium Alloys[J].Japanese Journal of Institute of Light Metals(Japan),2000,50(03):109-115. |
[4] | Amy L. Rudd;Carmel B. Breslin;Florian Mansfeld .The corrosion protection afforded by rare earth conversion coatings applied to magnesium[J].Corrosion Science,2000(2):275-288. |
[5] | Song Guangling;Atrens Andrej .The Electrochemical Corrosion of Pure Magnesium in 1N NaCl[J].Corrosion Science,1997,39(05):855-875. |
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