Evaluation of the electrochemical behavior of HVOF-sprayed alloy coatings - II

Devicharan Chidambaram; Clive R. Clayton; Mitchell R. Dorfman

doi:10.1016/j.surfcoat.2004.08.072

Evaluation of the electrochemical behavior of HVOF-sprayed alloy coatings - II

Devicharan Chidambaram
, Clive R. Clayton
, Mitchell R. Dorfman

Materials Science and Engineering

Stony Brook University
Inc.

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

20 Scopus citations

Abstract

The electrochemical behavior of four different high velocity oxy fuel (HVOF) sprayed coatings has been studied. These chromium alloy coatings were intended at replacing stainless steel alloy coatings. Stainless steel coatings formed by thermal spray processes provide poor corrosion resistance. Corrosion behavior of the coatings was studied in 0.1 M HNO₃ solution using gravimetric analysis, open circuit potential (OCP) measurements and potentiodynamic polarization. These results have been compared with those obtained from bulk AISI 316 stainless steel that acted as control. As per this study, sprayed nickel-chromium alloy coatings containing molybdenum appear to exhibit corrosion resistance comparable to bulk AISI 316.

Original language	English
Pages (from-to)	278-283
Number of pages	6
Journal	Surface and Coatings Technology
Volume	192
Issue number	2-3
DOIs	https://doi.org/10.1016/j.surfcoat.2004.08.072
State	Published - Mar 21 2005

Keywords

Chromium alloy
Corrosion
HVOF
Immersion test
Thermal spray

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10.1016/j.surfcoat.2004.08.072

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title = "Evaluation of the electrochemical behavior of HVOF-sprayed alloy coatings - II",

abstract = "The electrochemical behavior of four different high velocity oxy fuel (HVOF) sprayed coatings has been studied. These chromium alloy coatings were intended at replacing stainless steel alloy coatings. Stainless steel coatings formed by thermal spray processes provide poor corrosion resistance. Corrosion behavior of the coatings was studied in 0.1 M HNO3 solution using gravimetric analysis, open circuit potential (OCP) measurements and potentiodynamic polarization. These results have been compared with those obtained from bulk AISI 316 stainless steel that acted as control. As per this study, sprayed nickel-chromium alloy coatings containing molybdenum appear to exhibit corrosion resistance comparable to bulk AISI 316.",

keywords = "Chromium alloy, Corrosion, HVOF, Immersion test, Thermal spray",

author = "Devicharan Chidambaram and Clayton, \{Clive R.\} and Dorfman, \{Mitchell R.\}",

year = "2005",

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doi = "10.1016/j.surfcoat.2004.08.072",

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journal = "Surface and Coatings Technology",

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AU - Chidambaram, Devicharan

AU - Clayton, Clive R.

AU - Dorfman, Mitchell R.

PY - 2005/3/21

Y1 - 2005/3/21

N2 - The electrochemical behavior of four different high velocity oxy fuel (HVOF) sprayed coatings has been studied. These chromium alloy coatings were intended at replacing stainless steel alloy coatings. Stainless steel coatings formed by thermal spray processes provide poor corrosion resistance. Corrosion behavior of the coatings was studied in 0.1 M HNO3 solution using gravimetric analysis, open circuit potential (OCP) measurements and potentiodynamic polarization. These results have been compared with those obtained from bulk AISI 316 stainless steel that acted as control. As per this study, sprayed nickel-chromium alloy coatings containing molybdenum appear to exhibit corrosion resistance comparable to bulk AISI 316.

AB - The electrochemical behavior of four different high velocity oxy fuel (HVOF) sprayed coatings has been studied. These chromium alloy coatings were intended at replacing stainless steel alloy coatings. Stainless steel coatings formed by thermal spray processes provide poor corrosion resistance. Corrosion behavior of the coatings was studied in 0.1 M HNO3 solution using gravimetric analysis, open circuit potential (OCP) measurements and potentiodynamic polarization. These results have been compared with those obtained from bulk AISI 316 stainless steel that acted as control. As per this study, sprayed nickel-chromium alloy coatings containing molybdenum appear to exhibit corrosion resistance comparable to bulk AISI 316.

KW - Chromium alloy

KW - Corrosion

KW - HVOF

KW - Immersion test

KW - Thermal spray

UR - https://www.scopus.com/pages/publications/11244328385

U2 - 10.1016/j.surfcoat.2004.08.072

DO - 10.1016/j.surfcoat.2004.08.072

M3 - Article

AN - SCOPUS:11244328385

SN - 0257-8972

VL - 192

SP - 278

EP - 283

JO - Surface and Coatings Technology

JF - Surface and Coatings Technology

IS - 2-3

ER -

Evaluation of the electrochemical behavior of HVOF-sprayed alloy coatings - II

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Keywords

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