3-Methyl-4-amino-5-mercapto-1,2,4-triazole as corrosion inhibitor for 6061 Al alloy in 0.5 M sodium hydroxide solution

P. D. Reena Kumari; Jagannath Nayak; A. Nityananda Shetty

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3-Methyl-4-amino-5-mercapto-1,2,4-triazole as corrosion inhibitor for 6061 Al alloy in 0.5 M sodium hydroxide solution

机译：3-甲基-4-氨基-5-巯基-1,2,4-三唑作为0.561氢氧化钠溶液中6061铝合金的腐蚀抑制剂

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摘要

3-Methyl-4-amino-5-mercapto-l ,2,4-triazole (MAMT) was synthesized, and its inhibition action on the corrosion of 6061 Al alloy in 0.5 M sodium hydroxide was investigated by means of potentiody-namic polarization and electrochemical impedance spectroscopy techniques. The effect of inhibitor concentration, temperature, and concentration of the corrosion medium on the inhibitor action was investigated. The surface morphology of the metal surface was investigated by scanning electron microscopy (SEM). The inhibition efficiency increased with the increase in the concentration of the inhibitor, but decreased with the increase in temperature. Both thermodynamic and kinetic parameters were calculated and discussed. The adsorption of MAMT on the base alloy was found to be through physisorption, obeying Langmuir's adsorption isotherm. The results obtained from both the techniques were in good agreement with each other.

机译：合成了3-甲基-4-氨基-5-巯基-1,2,4-三唑（MAMT），并通过电位-极化法研究了其在0.5M氢氧化钠中对6061铝合金腐蚀的抑制作用。和电化学阻抗谱技术。研究了缓蚀剂浓度，温度和腐蚀介质浓度对缓蚀剂作用的影响。通过扫描电子显微镜（SEM）研究金属表面的表面形态。抑制效率随抑制剂浓度的增加而增加，但随温度的升高而降低。计算和讨论了热力学和动力学参数。发现MAMT在基体合金上的吸附是通过物理吸附，遵循Langmuir的吸附等温线。从这两种技术获得的结果彼此非常吻合。

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来源
《JCT research》 |2011年第6期|p.685-695|共11页
作者
P. D. Reena Kumari; Jagannath Nayak; A. Nityananda Shetty;
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作者单位

Department of Chemistry, Srinivas School of Engineering, Mukka, Mangalore 575 025, Karnataka, India;

Department of Metallurgical & Materials Engineering, National Institute of Technology Karnataka, Surathkal, Srinivasnagar 575 025, Karnataka, India;

Department of Chemistry, National Institute of Technology Karnataka, Surathkal, Srinivasnagar 575 025, Karnataka, India;

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正文语种 eng
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关键词
alloys; corrosion inhibition; electrochemical techniques; adsorption isotherm;

机译：合金;腐蚀抑制电化学技术;吸附等温线;

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2. 3-Ethyl-4-amino-5-mercapto-1,2,4-triazole as a corrosion inhibitor for 6061/Al-15 vol% SiC_p composite in a sodium hydroxide solution [J] . Kumari P.D.R., Nayak J., Shetty A.N. Synthesis and reactivity in inorganic, metal-organic, and nano-metal chemistry . 2011,第6a7期

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机译：3-甲基-4-氨基-5-巯基-1,2,4-三唑作为6061 Al-15 Vol的抑制剂。 PCT。 SiC（P）复合材料
4. Corrosion inhibition of 6061 Al-15 vol. pet. SiC(p) composite in sodium hydroxide solution by 4-amino-5-(4-nitrophenyl)-4H-1,2,4- triazole-3-thiol [C] . Reena Kumari P. D, Jagannath Nayak, A. Nityananda Shetty International Conference on Advancess in Manufacturing and Materials Engineering . 2014

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3-Methyl-4-amino-5-mercapto-1,2,4-triazole as corrosion inhibitor for 6061 Al alloy in 0.5 M sodium hydroxide solution

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