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Study of Corrosion Inhibition Behavior of Vappro 844 Via Colloid Formation

Published online by Cambridge University Press:  01 December 2016

N. Cheng ,
J. Cheng ,
B. Valdez ,
M. Schorr  and
J. M. Bastidas
N. Cheng
Affiliation:
Magna International PTE. LTD., 10H Enterprise Rd, Singapur 629834
J. Cheng
Affiliation:
Magna International PTE. LTD., 10H Enterprise Rd, Singapur 629834
B. Valdez
Affiliation:
Laboratorio de Materiales, Minerales y Corrosión, Instituto de Ingeniería, Universidad Autónoma de Baja California, C.P.21280, Mexicali, México.
M. Schorr
Affiliation:
Laboratorio de Materiales, Minerales y Corrosión, Instituto de Ingeniería, Universidad Autónoma de Baja California, C.P.21280, Mexicali, México.
J. M. Bastidas
Affiliation:
Centro Nacional de Investigaciones Metalúrgicas (CENIM). Consejo Superior de Investigaciones Científicas (CSIC). Avda. Gregorio del Amo 8, 28040Madrid, Spain.
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Abstract

The main purpose of this research was to establish the effectiveness of the V844 corrosion inhibitor for seawater on various metallic materials: carbon steel, aluminum and copper alloy at different concentrations via colloid formation. The changes in both physical and chemical properties of seawater, including pH, total hardness, alkalinity, total dissolved solids (TDS) and conductivity at different concentrations of V844 were assessed, too. The test procedure involves dissolving the V844 corrosion inhibitor powder provided by Magna International Private Limited in seawater to obtain a stock solution of 4% V844 in seawater, which was further diluted to obtain the remaining concentrations. The analysis of parameters begun when various metal species, polished beforehand, were placed into the solutions. The analysis was observed over a period of 26 days and a total of 9 sets of readings were obtained. From our observation and analysis, it was concluded that the inhibitor worked best at 0.05% concentration for carbon steel.

Keywords

ColloidCorrosionMetal
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1815: Symposium 6J – NACE: Corrosion And Metallurgy , 2016 , imrc2015.30
Copyright
Copyright © Materials Research Society 2016 

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References

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