将AZ91D镁合金浸入含Na2CO3缓蚀剂的NaCl溶液,通过扫描电镜比较不同Na2CO3浓度下的镁合金腐蚀形貌,利用失重法测量镁合金的腐蚀速率,测量含不同浓度Na2CO3溶液中镁合金的动电位极化曲线和交流阻抗谱,并分析其腐蚀行为.结果表明:随着Na2CO3浓度的增加,缓蚀效果得到加强,Na2CO3是一种阳极型缓蚀剂,能有效地减缓镁合金的腐蚀.
参考文献
| [1] | 邓希光,王伟强,齐民.AZ31镁合金在Hank's模拟体液中的腐蚀行为研究[J].功能材料,2009(11):1884-1887. |
| [2] | Inoue H;Sugahara K;Yamamoto A et al.Corrosion rate of magnesium and its alloys in buffered chloride solutions[J].Corrosion Science,2002,44:603-610. |
| [3] | G. Song;D. H. StJohn .Corrosion of magnesium alloys in commercial engine coolants[J].Materials and Corrosion,2005(1):15-23. |
| [4] | Lindstrom R;Johansson L G;Svensson J E .The influence of NaCl and CO2 on the atmospheric corrosion of magnesium alloy AZ91[J].Materials and Corrosion,2003,54:587-594. |
| [5] | R. Lindstrom;J.-E. Svensson;L.-G. Johansson .The Influence of Carbon Dioxide on the Atmospheric Corrosion of Some Magnesium Alloys in the Presence of NaCl[J].Journal of the Electrochemical Society,2002(4):B103-B107. |
| [6] | 宋光铃.镁合金腐蚀与防护[M].北京:化学工业出版社,2006:123-126. |
| [7] | 曹楚南;张鉴清.电化学阻抗谱导论[M].北京:科学出版社,2002:174-178. |
| [8] | J(o)nsson M;Persson D;Thierry D .Corrosion product formation during NaCl induced atmospheric corrosion of magnesium alloy AZ91D[J].Corrosion Science,2007,49(03):1540-1558. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%