Inhibition of Brass (80/20) by 5-Mercaptopentyl-3-Amino-1,2,4-Triazole in Neutral Solutions
作者： Ivan Arkhipushkin , Khidmet Shikhaliev , Andrei Potapov , Lyudmila Sapronova , Leonid Kazansky
DOI: 10.3390/MET7110488
关键词:
摘要: The effect of the adsorption 5-mercaptopentyl-3-amino-1,2,4-triazole (MPATA) on corrosive behavior brass (Cu80/Zn20) in neutral (pH 7.4) borate buffer solutions with and without 0.01 M NaCl was studied. Electrochemical methods show significant decrease anodic cathodic currents polarization curves presence MPATA. X-ray photoelectron spectroscopy (XPS) reveals MPATA surface from an inhibitor solution. After 17 h exposure, a mixed complex [CuxZnyMPATAz] thickness about 3–3.5 nm is formed surface. This nanolayer has sufficient protective ability to withstand corrosion tests salt fog chamber: after 5 days testing, samples remain glossy less than 1% been damaged. chamber, unprotected enriched zinc, while at inhibitor-treated samples, copper zinc are present practically equal contents.
mdpi.com 
core.ac.uk 
sci-hub.se 参考文章(55)
A.M. Fenelon, C.B. Breslin, An Electrochemical study of the formation of Benzotriazole surface films on Copper, Zinc and a Copper–Zinc alloy Journal of Applied Electrochemistry. ,vol. 31, pp. 509- 516 ,(2001) , 10.1023/A:1017503031045
K.M. Ismail, S.S. El-Egamy, M. Abdelfatah, Effects of Zn and Pb as alloying elements on the electrochemical behaviour of brass in borate solutions Journal of Applied Electrochemistry. ,vol. 31, pp. 663- 670 ,(2001) , 10.1023/A:1017566615843
Gregor Žerjav, Ingrid Milošev, Protection of copper against corrosion in simulated urban rain by the combined action of benzotriazole, 2-mercaptobenzimidazole and stearic acid Corrosion Science. ,vol. 98, pp. 180- 191 ,(2015) , 10.1016/J.CORSCI.2015.05.023
Sylvia L. F. A. da Costa, Silvia M. L. Agostinho, Ken Nobe, Rotating ring-disk electrode studies of Cu-Zn alloy electrodissolution in 1M HCl Journal of The Electrochemical Society. ,vol. 140, pp. 3483- 3488 ,(1993) , 10.1149/1.2221114
R. Ravichandran, N. Rajendran, Influence of benzotriazole derivatives on the dezincification of 65–35 brass in sodium chloride Applied Surface Science. ,vol. 239, pp. 182- 192 ,(2005) , 10.1016/J.APSUSC.2004.05.145
T. Hashemi, C.A. Hogarth, X-ray induced Auger spectroscopy of the surface films formed by benzo- triazole on zinc and zinc alloys Spectrochimica Acta Part B: Atomic Spectroscopy. ,vol. 43, pp. 783- 787 ,(1988) , 10.1016/0584-8547(88)80111-3
M. Ebrahimzadeh, M. Gholami, M. Momeni, A. Kosari, M.H. Moayed, A. Davoodi, Theoretical and experimental investigations on corrosion control of 65Cu–35Zn brass in nitric acid by two thiophenol derivatives Applied Surface Science. ,vol. 332, pp. 384- 392 ,(2015) , 10.1016/J.APSUSC.2015.01.178
Matjaž Finšgar, Ingrid Milošev, Inhibition of copper corrosion by 1,2,3-benzotriazole: A review Corrosion Science. ,vol. 52, pp. 2737- 2749 ,(2010) , 10.1016/J.CORSCI.2010.05.002
Ganesan Rajkumar, Mathur Gopalakrishnan Sethuraman, Corrosion protection ability of self-assembled monolayer of 3-amino-5-mercapto-1,2,4-triazole on copper electrode Thin Solid Films. ,vol. 562, pp. 32- 36 ,(2014) , 10.1016/J.TSF.2014.03.074
K.R. Trethewey, I. Pinwill, The dezincification of free-machining brasses in sea water Surface and Coatings Technology. ,vol. 30, pp. 289- 307 ,(1987) , 10.1016/0257-8972(87)90087-9