为找到在热浸镀钢材表面清洗处理过程中替代铬酸使用的缓蚀剂,通过质量损失测试、电化学测试和扫描电镜分析等方法研究了烟酸、吖啶和小檗碱对热浸镀5%铝-锌和55%铝-锌合金镀层在盐酸介质中的缓蚀作用.结果表明,3种杂环化合物在盐酸介质中对两种锌铝合金镀层均具有良好的缓蚀作用,其中小檗碱的缓蚀作用最好;它们通过单分子层、化学吸附方式吸附在镀层表面从而阻滞酸液对镀层的腐蚀,其吸附遵从Langmuir吸附等温式.在盐酸介质中,烟酸、吖啶和小檗碱对5%铝-锌和55%铝-锌合金镀层钢材均为有效的环境友好型缓蚀剂.
参考文献
| [1] | KING G A;O'BRIEN D J.The influence of marine environments on metals and fabricated coated metal products,freely exposed and partially sheltered[A].Philadelphia:American Society for Testing and Materials,1995:167-192. |
| [2] | ZOCCOLA J C;TOWNSEND H E;BORZILLO A R;HORTON J B.Atmospheric corrosion behavior of aluminum-zinc alloy-coated steel[A].Philadelphia:American Society for Testing and Materials,1978:165-184. |
| [3] | 李焰,邢少华,李鑫,魏绪钧.热浸镀层在青岛站的海水腐蚀行为对比（Ⅰ）--全浸区[J].中国有色金属学报,2006(12):2083-2091. |
| [4] | Y. LI;H. WANG;B. HOU .Chromate passivation of hot dipped Zn25Al alloy coatings[J].British Corrosion Journal,2001(1):56-57. |
| [5] | SRIVASTAVA K;SRIVASTAVA P .The effect of some natural inhibitors on the corrosion of mild steel in acidic environments[J].British Corrosion Journal,1981,16(04):221-223. |
| [6] | SALCH R M .Corrosion inhibition by naturally occurring substances:The effect aqueous extracts of some leaves & fruitpeels on the corrosion of steel,Al,Zn and Cu in acid[J].British Corrosion Journal,1982,17(03):131-135. |
| [7] | BETHENCOURT M;BOTANA F J;CALVINO J J;MARCOS M RODR(I)GUEZ-CHAC(O)N M A .Lanthanide compounds as environmentally-friendly corrosion inhibitors of aluminium alloys:A review[J].Corrosion Science,1998,40(11):1803-1819. |
| [8] | EL-ETRE A Y;ABDALLAH M .Natural honey as corrosion inhibitor for metals and alloys (Ⅱ):C-steel in high saline water[J].Corrosion Science,2000,42(04):731-738. |
| [9] | Marder AR. .The metallurgy of zinc-coated steel [Review][J].Progress in materials science,2000(3):191-271. |
| [10] | SIMPSON T C .Accelerated corrosion test for aluminum-zinc alloy coating[J].Corrosion,1993,49(07):550-560. |
| [11] | M. Bouklah;N. Benchat;B. Hammouti .Thermodynamic characterisation of steel corrosion and inhibitor adsorption of pyridazine compounds in 0.5 M H_2SO_4[J].Materials Letters,2006(15):1901-1905. |
| [12] | LEBRINI M;LAGREN(E)E M;VEZIN H;GENGEMBRE L BENTISS F .Electrochemical and quantum chemical studies of new thiadiazole derivatives adsorption on mild steel in normal hydrochloric acid medium[J].Corrosion Science,2005,47(02):485-505. |
| [13] | M. Bouklah;A. Ouassini;B. Hammouti;A. El Idrissi .Corrosion inhibition of steel in sulphuric acid by pyrrolidine derivatives[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,2006(6):2178-2185. |
| [14] | El Rehim SSA.;Hassan HH.;Amin MA. .The corrosion inhibition study of sodium dodecyl benzene sulphonate to aluminium and its alloys in 1.0 M HCl solution[J].Materials Chemistry and Physics,2003(2):337-348. |
| [15] | Oguzie EE;Okolue BN;Ebenso EE;Onuoha GN;Onuchukwu AI .Evaluation of the inhibitory effect of methylene blue dye on the corrosion of aluminium in hydrochloric acid[J].Materials Chemistry and Physics,2004(2/3):394-401. |
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%