Effect of chromium on the electrochemical properties of iron aluminide intermetallics

Mohammad Zamanzade; Afrooz Barnoush

doi:10.1016/j.corsci.2013.10.002

Effect of chromium on the electrochemical properties of iron aluminide intermetallics

Mohammad Zamanzade, Afrooz Barnoush^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

26 Citations (Scopus)

Abstract

The effect of chromium content on the electrochemical properties of Fe₃Al intermetallics is examined. The susceptibility of alloys to pitting and crevice corrosion in solutions with different concentrations of Cl^- ions was studied with the aid of cyclic polarization and galvanostatic methods. The form of the pits, and their concentration on different crystal orientations, was evaluated with the Scanning Electron Microscopy (SEM) and Electron Backscatter Diffraction (EBSD) techniques. Additionally, Electrochemical Impedance Spectroscopy (EIS) and the Mott-Schottky (MS) methods were used to characterize the passive film. The results show the beneficial effect of Cr for corrosion and hydrogen embrittlement resistance.

Original language	English
Pages (from-to)	223-232
Number of pages	10
Journal	Corrosion Science
Volume	78
DOIs	https://doi.org/10.1016/j.corsci.2013.10.002
Publication status	Published - Jan 2014
Externally published	Yes

Keywords

A. Intermetallics
B. EIS
B. SEM
C. Hydrogen embrittlement
C. Passivity
C. Pitting corrosion

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10.1016/j.corsci.2013.10.002

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title = "Effect of chromium on the electrochemical properties of iron aluminide intermetallics",

abstract = "The effect of chromium content on the electrochemical properties of Fe3Al intermetallics is examined. The susceptibility of alloys to pitting and crevice corrosion in solutions with different concentrations of Cl- ions was studied with the aid of cyclic polarization and galvanostatic methods. The form of the pits, and their concentration on different crystal orientations, was evaluated with the Scanning Electron Microscopy (SEM) and Electron Backscatter Diffraction (EBSD) techniques. Additionally, Electrochemical Impedance Spectroscopy (EIS) and the Mott-Schottky (MS) methods were used to characterize the passive film. The results show the beneficial effect of Cr for corrosion and hydrogen embrittlement resistance.",

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author = "Mohammad Zamanzade and Afrooz Barnoush",

year = "2014",

month = jan,

doi = "10.1016/j.corsci.2013.10.002",

language = "English",

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journal = "Corrosion Science",

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T1 - Effect of chromium on the electrochemical properties of iron aluminide intermetallics

AU - Zamanzade, Mohammad

AU - Barnoush, Afrooz

PY - 2014/1

Y1 - 2014/1

N2 - The effect of chromium content on the electrochemical properties of Fe3Al intermetallics is examined. The susceptibility of alloys to pitting and crevice corrosion in solutions with different concentrations of Cl- ions was studied with the aid of cyclic polarization and galvanostatic methods. The form of the pits, and their concentration on different crystal orientations, was evaluated with the Scanning Electron Microscopy (SEM) and Electron Backscatter Diffraction (EBSD) techniques. Additionally, Electrochemical Impedance Spectroscopy (EIS) and the Mott-Schottky (MS) methods were used to characterize the passive film. The results show the beneficial effect of Cr for corrosion and hydrogen embrittlement resistance.

AB - The effect of chromium content on the electrochemical properties of Fe3Al intermetallics is examined. The susceptibility of alloys to pitting and crevice corrosion in solutions with different concentrations of Cl- ions was studied with the aid of cyclic polarization and galvanostatic methods. The form of the pits, and their concentration on different crystal orientations, was evaluated with the Scanning Electron Microscopy (SEM) and Electron Backscatter Diffraction (EBSD) techniques. Additionally, Electrochemical Impedance Spectroscopy (EIS) and the Mott-Schottky (MS) methods were used to characterize the passive film. The results show the beneficial effect of Cr for corrosion and hydrogen embrittlement resistance.

KW - A. Intermetallics

KW - B. EIS

KW - B. SEM

KW - C. Hydrogen embrittlement

KW - C. Passivity

KW - C. Pitting corrosion

UR - http://www.scopus.com/inward/record.url?scp=84887996986&partnerID=8YFLogxK

U2 - 10.1016/j.corsci.2013.10.002

DO - 10.1016/j.corsci.2013.10.002

M3 - Article

AN - SCOPUS:84887996986

SN - 0010-938X

VL - 78

SP - 223

EP - 232

JO - Corrosion Science

JF - Corrosion Science

ER -

Effect of chromium on the electrochemical properties of iron aluminide intermetallics

Abstract

Keywords

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