Corrosion Behavior of the Cu24Zn5Al Alloy in Sodium Sulfate Solution in the Presence of 1-Phenyl-5-mercaptotetrazole

The results of this research on the electrochemical behavior of Cu24Zn5Al alloy in a 0.1 mol/dm3 sodium sulfate (Na2SO4) solution containing 1-phenyl-5-mercaptotetrazole (PMT) are presented in this paper. The influence of PMT concentration, chloride ion concentration, and pre-treatment were examined...

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Bibliographic Details
Published in:Metals (Basel ) 2023-11, Vol.13 (11), p.1863
Main Authors: Gardić, Vojka, Tasić, Žaklina Z., Petrović Mihajlović, Marija B., Radovanović, Milan B., Antonijević, Milan M.
Format: Article
Language:English
Subjects:
1-phenyl-5-mercaptotetrazole
Alloys
Aluminum
azoles
Chemical inhibitors
Chloride
Chloride ions
Copper
Corrosion and anti-corrosives
corrosion inhibitor
Corrosion inhibitors
Corrosion potential
Cu24Zn5Al
Electrochemical analysis
electrochemical measurement
Electrodes
Ion concentration
Pretreatment
Shape-memory alloys
Sodium
Sodium sulfate
sodium sulfate solution
Submerging
Sulfates
Transportation equipment industry
Voltammetry
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Summary:The results of this research on the electrochemical behavior of Cu24Zn5Al alloy in a 0.1 mol/dm3 sodium sulfate (Na2SO4) solution containing 1-phenyl-5-mercaptotetrazole (PMT) are presented in this paper. The influence of PMT concentration, chloride ion concentration, and pre-treatment were examined. The influence of pre-treatment was studied in terms of the effect of the immersion time of the electrode in the appropriate inhibitor solution. After selecting the optimal immersion time, its effect on the behavior of the Cu24Zn5Al alloy was tested in a 0.1 mol/dm3 solution of sodium sulfate in the presence of different concentrations of chloride ions. Research shown that with the increase of PMT concentration, the anodic current density around the corrosion potential decreases, indicating that PMT behaves as a corrosion inhibitor for Cu24Zn5Al alloy.
ISSN:2075-4701
2075-4701
DOI:10.3390/met13111863