通过电化学噪声技术(EN)、小波变换(WT)、噪声电阻(Rn)和功率谱密度(PSD)等方法研究了AZ91D镁合金在碱性含氯溶液中的腐蚀行为.结果表明,AZ91D镁合金在碱性含氯溶液中的腐蚀过程可以分为三个不同的腐蚀阶段:伴随氢气泡产生、吸附和脱附的阳极溶解阶段,点蚀发展阶段和最后形成MgH2保护膜的腐蚀抑制阶段.
参考文献
| [1] | G Song,B Johannesson,S Hapngoda,et al.Galvanic corrosion of magnesium alloy AZ91 D in contact with an aluminium alloy,steel and zinc[J].Corms.Sci.,2004,46:955. |
| [2] | T Zhang,Y Li,F Wang.Roles of β phase in the corrosion process of AZ9lD magnesium alloy[J].Corros.Sci.,2006,48:1249. |
| [3] | Y Cheng,J Luo,M Wilmott.Spectral analysis of eleetroehemi-cal noise with different transient shapes[J].Electrochim.Acta,2000,45:1763. |
| [4] | A Lafront,W Zhang,S Jin,et al.Pitting corrosion of AZ91D and AJ62x magnesium alloys in alkaline chloride medium using elec-trochemical techniques[J].Elcetrochim.Acta,2005,51:489. |
| [5] | A Aballe,M Bethencourt,F Botana,et al.Using wavelets trans-form in the analysis of electrochemical noise data[J].Electro-chim.Acta,1999,44:4805. |
| [6] | T Zhang,Y Shao,G meng,et al.Effects of hydrogen on the cor-rosion of pure magnesium[J].Electrochim Acta,2006,52:1323. |
| [7] | J Chen,W Bogaerts.The physical meaning of noise resistance[J].Corws.Sci.,1995,37:1839. |
| [8] | F H Cao,Z Zhang,J X Su,et al.Electrochemical noise analysis of LYl2-T3 in EXCO sulution by discrete wavelet transform technique[J].Electrochimical Aeta,2006,51:1359. |
| [9] | F Cao,Z Zhang,J su,Y shi,J Zhang.Electrochemical noise a-nalysis of Y12-T3 in EXCO solutionby discrete wavelet trans-form technique[J].Electrochim.Acta,2006,51:1359. |
| [10] | B Zhao,J Li,R Hu,et al.Study on the corrosion behavior of re-inforcing steel in cement mortar by electrochemical noise meas-urements[J].Electroehim.Acta,2007,51:3976. |
| [11] | G Song,A Atrens.Review recent progress in corrosion and pro-tection of magnesium alloys[J].Adv.Eng.Mater.,2005,7:563. |
| [12] | T zhang,Y Shao,G Meng,et al.Effects of hydrogen on the cor-rosion of pure magnesium[J].Electmchim.Act,2006,52:1323. |
| [13] | A Bakkar,V Neubert.Improving corrosion resistance of mange-sium-based alloys by surface modification with hydrogen by electrochemical ion reduction(EIR)and by plasma immersion ion implantation(pIII)[J].Corros.Sci.,2005,47:1211. |
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%