The effect of residual stress on the electrochemical corrosion behavior of Fe-based amorphous coatings in chloride-containing solutions

Yuefang Wang; K. Y. Li; Fabio Scenini; J. Jiao; S. J. Qu; Q. Luo; J. Shen

doi:10.1016/j.surfcoat.2016.05.034

The effect of residual stress on the electrochemical corrosion behavior of Fe-based amorphous coatings in chloride-containing solutions

Yuefang Wang, K. Y. Li, Fabio Scenini, J. Jiao, S. J. Qu, Q. Luo, J. Shen^*

^*Corresponding author for this work

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

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Abstract

The electrochemical corrosion and passive behavior of activated combustion high-velocity air fuel FeCrMoMnWBCSi amorphous metallic coatings (AMCs) under different geometries that produced a variable tensile residual stresses were investigated in chloride-containing solutions by using electrochemical measurements and X-ray photoelectron spectroscopy. The tensile residual stresses of AMCs were determined by the mechanical method of sharp indentation testing. A systematic detrimental effect of tensile residual stress on passive current density and localized corrosion was found. The detrimental effect of residual stress was aggravated at higher temperatures and acidity. The implication of high donor density on the passive film stability, derived from Mott-Schottky analysis, is also discussed.

Original language	English
Pages (from-to)	27-38
Number of pages	12
Journal	Surface and Coatings Technology
Volume	302
Early online date	16 May 2016
DOIs	https://doi.org/10.1016/j.surfcoat.2016.05.034
Publication status	Published - 25 Sept 2016

Keywords

Amorphous structures
Metal coatings
Passivity
Polarization
Residual stress
XPS

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10.1016/j.surfcoat.2016.05.034

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title = "The effect of residual stress on the electrochemical corrosion behavior of Fe-based amorphous coatings in chloride-containing solutions",

abstract = "The electrochemical corrosion and passive behavior of activated combustion high-velocity air fuel FeCrMoMnWBCSi amorphous metallic coatings (AMCs) under different geometries that produced a variable tensile residual stresses were investigated in chloride-containing solutions by using electrochemical measurements and X-ray photoelectron spectroscopy. The tensile residual stresses of AMCs were determined by the mechanical method of sharp indentation testing. A systematic detrimental effect of tensile residual stress on passive current density and localized corrosion was found. The detrimental effect of residual stress was aggravated at higher temperatures and acidity. The implication of high donor density on the passive film stability, derived from Mott-Schottky analysis, is also discussed.",

keywords = "Amorphous structures, Metal coatings, Passivity, Polarization, Residual stress, XPS",

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T1 - The effect of residual stress on the electrochemical corrosion behavior of Fe-based amorphous coatings in chloride-containing solutions

AU - Wang, Yuefang

AU - Li, K. Y.

AU - Scenini, Fabio

AU - Jiao, J.

AU - Qu, S. J.

AU - Luo, Q.

AU - Shen, J.

PY - 2016/9/25

Y1 - 2016/9/25

N2 - The electrochemical corrosion and passive behavior of activated combustion high-velocity air fuel FeCrMoMnWBCSi amorphous metallic coatings (AMCs) under different geometries that produced a variable tensile residual stresses were investigated in chloride-containing solutions by using electrochemical measurements and X-ray photoelectron spectroscopy. The tensile residual stresses of AMCs were determined by the mechanical method of sharp indentation testing. A systematic detrimental effect of tensile residual stress on passive current density and localized corrosion was found. The detrimental effect of residual stress was aggravated at higher temperatures and acidity. The implication of high donor density on the passive film stability, derived from Mott-Schottky analysis, is also discussed.

AB - The electrochemical corrosion and passive behavior of activated combustion high-velocity air fuel FeCrMoMnWBCSi amorphous metallic coatings (AMCs) under different geometries that produced a variable tensile residual stresses were investigated in chloride-containing solutions by using electrochemical measurements and X-ray photoelectron spectroscopy. The tensile residual stresses of AMCs were determined by the mechanical method of sharp indentation testing. A systematic detrimental effect of tensile residual stress on passive current density and localized corrosion was found. The detrimental effect of residual stress was aggravated at higher temperatures and acidity. The implication of high donor density on the passive film stability, derived from Mott-Schottky analysis, is also discussed.

KW - Amorphous structures

KW - Metal coatings

KW - Passivity

KW - Polarization

KW - Residual stress

KW - XPS

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DO - 10.1016/j.surfcoat.2016.05.034

M3 - Article

AN - SCOPUS:84969981376

SN - 0257-8972

VL - 302

SP - 27

EP - 38

JO - Surface and Coatings Technology

JF - Surface and Coatings Technology

ER -

The effect of residual stress on the electrochemical corrosion behavior of Fe-based amorphous coatings in chloride-containing solutions

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