在35 g·L-1NaCl水溶液中,用失重法、气体收集法和电化学方法研究了挤压变形对金属镁耐腐蚀性能的影响.结果表明:金属镁在挤压变形的过程中发生了动态再结晶,由大至几百微米大小不均匀的晶粒变为约25μm的等轴晶,晶粒细化,晶界的面积增多,即阳极增多,阳极反应速率增加,耐腐蚀性能下降.
参考文献
| [1] | 张津.镁合金及应用[M].北京:化学工业出版社,2004:81. |
| [2] | Achim Wendt;Knorad Weiss;Arye Ben-Dov.Magnesium Castings in Aeronautics Appliestions-Special Requirements[A].San Francisco,US:TMS (The Mineral,Metals & Materials Society),2005:269-273. |
| [3] | Makar G L;Kruger J .Corrosion of Magnesium[J].International Materials Reviews,1993,38(02):138-153. |
| [4] | Reidar Tunold;Hans Holtan;May-britt et al.The corrosion of magnesium in aqueous solution containing chloride ions[J].Corrosion Science,1997,17:353-365. |
| [5] | Greenbaltt J .A mechanism for the anodie dissolution of magnesium[J].Journal of the Electrochemical Society,1956,103:539-547. |
| [6] | Letzig D;Swiostek J;Bohlen J.Magnesium Wrought Alloy Properties of the AZ-Series[A].San Francisco,US:TMS(The Mineral,Metals & Materials Society),2005:55-59. |
| [7] | Haitao Zhou;Churning Liu;Qndong Wang.Grain Refinement of Wrought AZ61 Magnesium Alloy[A].San Francisco,US:TMS(The Mineral,Metals & Materials Society),2005:91-95. |
| [8] | 孙秋霞.材料腐蚀与防护[M].北京:冶金工业出版社,2003 |
| [9] | Song G L;Atrens A;St John D.An Hydro-evolution Method for the Estimation of the Corrosion Rate of Magnesium alloys[A].San Francisco,US:TMS (The Mineral,Metals & Materials Society),2001:255-259. |
| [10] | Simaranov A Y;Sokolova I;Marshaknv A I et al.Nature of the film on AZ91 magnesium alloy[J].Protection of Metals,1992,27:329-335. |
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