Specific features of the corrosion inhibition of an aluminum alloy by a nonchromate pigment mixture

Zin, І. М.; Lyon, S.B.; Bilyi, L. М.; Tymus, М. B.

doi:10.1007/s11003-009-9136-0

Cited by 9 publications

(5 citation statements)

References 12 publications

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“…Engine block and piston contain the different amount of alloying elements as shown in Table 1. The charge transfer resistance depends upon the intermetallics present in the alloys formed by the alloying elements 15 .…”

Section: Results and Discussion Electrochemical Measurementsmentioning

confidence: 99%

ELECTROCHEMICAL CORROSION PERFORMANCE OF COMMERCIALLY USED ALUMINIUM ENGINE BLOCK AND PISTON IN 0.1M NaCl

Kaiser

Qadir²,

Dutta³

2015

J. mech. eng.

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The corrosion behaviour of commercially used aluminium engine block and piston were investigated in 0.1M NaCl solution at room temperatures. The study was done by electrochemical method, using Tafel polarization and electrochemical impedance spectroscopy (EIS) techniques. The surface was characterized by optical microscope and scanning electron microscope (SEM). The results indicated differences in the charge transfer resistance of engine block and piston alloys. The current density (Icorr) of engine block material showed higher value than that of piston material. The corrosion potential (Ecorr) and pitting corrosion potential (Epit) of piston material were shifted to the more noble direction. In aluminium piston alloy there seems to be uniform surface pits formations which are in fewer amounts as compared to those in engine block alloy. The corrosion performance of aluminium piston alloy was found to be higher than that of aluminium engine block due to the presence of Ni and lower percentage of Fe in aluminium piston alloy.

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Section: Results and Discussion Electrochemical Measurementsmentioning

confidence: 99%

ELECTROCHEMICAL CORROSION PERFORMANCE OF COMMERCIALLY USED ALUMINIUM ENGINE BLOCK AND PISTON IN 0.1M NaCl

Kaiser

Qadir²,

Dutta³

2015

J. mech. eng.

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“…). The formation of zinc and calcium phosphate protective film on alloy surface in the Zn 3 (PO 4 ) 2 /Ca–zeolite blend suspension basing on the previous study of inhibiting mixture of zinc phosphate and Ca ion‐exchanged pigment can be assumed.…”

Section: Resultsmentioning

confidence: 99%

Aluminium alloy corrosion inhibition by chromate‐free composition of zinc phosphate and ion‐exchanged zeolite

Pokhmurskii

Zin

Bily

et al. 2013

Surface & Interface Analysis

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Corrosion inhibition of aluminium alloy D16T by natural and calcium and zinc ion-exchanged zeolites and their compositions with phosphate pigment was studied. Clinoptilolite, a natural zeolite from Sokyrnytsia deposit (Transcarpathian region, Ukraine), has been used in this study as a basic component. Protective properties of polyurethane coatings containing ionexchanged zeolites were investigated in acid rain solution. Direct current polarization methods and electrochemical impedance spectroscopy were used. It was established that composition of zinc phosphate and calcium ion-exchanged zeolite has significant anti-corrosion synergistic effect because of deposition of protective film on aluminium alloy surface. The addition of phosphate/zeolite-inhibiting composition to polyurethane coating offers substantial increase of its protective properties in corrosion environment compared with the use of a single phosphate pigment.

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“…Zeolites exchanged with silver ions were employed in smart hygienic coatings as biocides, due to the ability of silver ions to inhibit vital processes in microorganisms [81]. It was established that combination of zinc phosphate and calcium-containing ion-exchange pigment enables one to inhibit efficiently the local corrosion of an aluminum-copper alloy in a slightly acid medium [82]. Because zeolites are ionic-exchanging materials, it seemed reasonable to study aluminum alloy corrosion inhibition by phosphate/zeolite composition.…”

Section: Electrochemical Impedance Spectroscopy Of D16t Alloy In Solumentioning

confidence: 99%

Effect of Chromate and Chromate-Free Organic Coatings on Corrosion Fatigue of an Aluminum Alloy

Pokhmurskii¹

2012

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show abstract

Specific features of the corrosion inhibition of an aluminum alloy by a nonchromate pigment mixture

Cited by 9 publications

References 12 publications

ELECTROCHEMICAL CORROSION PERFORMANCE OF COMMERCIALLY USED ALUMINIUM ENGINE BLOCK AND PISTON IN 0.1M NaCl

ELECTROCHEMICAL CORROSION PERFORMANCE OF COMMERCIALLY USED ALUMINIUM ENGINE BLOCK AND PISTON IN 0.1M NaCl

Aluminium alloy corrosion inhibition by chromate‐free composition of zinc phosphate and ion‐exchanged zeolite

Effect of Chromate and Chromate-Free Organic Coatings on Corrosion Fatigue of an Aluminum Alloy

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