Influence of thermal aging on sulfate-reducing bacteria (SRB)-influenced corrosion behaviour of 2205 duplex stainless steel

P J Antony; Raman Raghuvir Kumar Singh; R Mohanram; Pradeep Kumar; R Raman

doi:10.1016/j.corsci.2008.03.009

Influence of thermal aging on sulfate-reducing bacteria (SRB)-influenced corrosion behaviour of 2205 duplex stainless steel

P J Antony
, Raman Raghuvir Kumar Singh
, R Mohanram
, Pradeep Kumar
, R Raman

Mechanical & Aerospace Engineering

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

84 Citations (Scopus)

Abstract

Microbiologically-influenced corrosion behaviour of thermally aged 2205 duplex stainless steel in comparison to the as-received material was studied by exposing the coupons for 40 days in chloride medium containing sulfate-reducing bacteria (SRB). Coupons exposed to the sterile medium were used as control. Electrochemical studies suggest a sharp drop in corrosion potential and increase in the anodic current for the coupons exposed to SRB. The austenite phase was found to be selectively attacked in presence of SRB for as-received material. Even though enhanced selective etching of austenite was noticed for thermally aged material, presence of actively corroding locations adjacent to the σ-phase protect the austenite phase. Crown

Original language	English
Pages (from-to)	1858-1864
Number of pages	7
Journal	Corrosion Science
Volume	50
Issue number	7
DOIs	https://doi.org/10.1016/j.corsci.2008.03.009
Publication status	Published - Jul 2008

Keywords

A. Duplex stainless steel (DSS)
A. SRB
B. SEM
B. Thermal aging

Access to Document

10.1016/j.corsci.2008.03.009

Cite this

@article{b0d13017299c419c86bf2332464654ca,

title = "Influence of thermal aging on sulfate-reducing bacteria (SRB)-influenced corrosion behaviour of 2205 duplex stainless steel",

abstract = "Microbiologically-influenced corrosion behaviour of thermally aged 2205 duplex stainless steel in comparison to the as-received material was studied by exposing the coupons for 40 days in chloride medium containing sulfate-reducing bacteria (SRB). Coupons exposed to the sterile medium were used as control. Electrochemical studies suggest a sharp drop in corrosion potential and increase in the anodic current for the coupons exposed to SRB. The austenite phase was found to be selectively attacked in presence of SRB for as-received material. Even though enhanced selective etching of austenite was noticed for thermally aged material, presence of actively corroding locations adjacent to the σ-phase protect the austenite phase. Crown",

keywords = "A. Duplex stainless steel (DSS), A. SRB, B. SEM, B. Thermal aging",

author = "Antony, \{P J\} and Singh, \{Raman Raghuvir Kumar\} and R Mohanram and Pradeep Kumar and R Raman",

year = "2008",

month = jul,

doi = "10.1016/j.corsci.2008.03.009",

language = "English",

volume = "50",

pages = "1858--1864",

journal = "Corrosion Science",

issn = "0010-938X",

publisher = "Elsevier",

number = "7",

}

TY - JOUR

T1 - Influence of thermal aging on sulfate-reducing bacteria (SRB)-influenced corrosion behaviour of 2205 duplex stainless steel

AU - Antony, P J

AU - Singh, Raman Raghuvir Kumar

AU - Mohanram, R

AU - Kumar, Pradeep

AU - Raman, R

PY - 2008/7

Y1 - 2008/7

N2 - Microbiologically-influenced corrosion behaviour of thermally aged 2205 duplex stainless steel in comparison to the as-received material was studied by exposing the coupons for 40 days in chloride medium containing sulfate-reducing bacteria (SRB). Coupons exposed to the sterile medium were used as control. Electrochemical studies suggest a sharp drop in corrosion potential and increase in the anodic current for the coupons exposed to SRB. The austenite phase was found to be selectively attacked in presence of SRB for as-received material. Even though enhanced selective etching of austenite was noticed for thermally aged material, presence of actively corroding locations adjacent to the σ-phase protect the austenite phase. Crown

AB - Microbiologically-influenced corrosion behaviour of thermally aged 2205 duplex stainless steel in comparison to the as-received material was studied by exposing the coupons for 40 days in chloride medium containing sulfate-reducing bacteria (SRB). Coupons exposed to the sterile medium were used as control. Electrochemical studies suggest a sharp drop in corrosion potential and increase in the anodic current for the coupons exposed to SRB. The austenite phase was found to be selectively attacked in presence of SRB for as-received material. Even though enhanced selective etching of austenite was noticed for thermally aged material, presence of actively corroding locations adjacent to the σ-phase protect the austenite phase. Crown

KW - A. Duplex stainless steel (DSS)

KW - A. SRB

KW - B. SEM

KW - B. Thermal aging

UR - https://www.scopus.com/pages/publications/47249133247

U2 - 10.1016/j.corsci.2008.03.009

DO - 10.1016/j.corsci.2008.03.009

M3 - Article

SN - 0010-938X

VL - 50

SP - 1858

EP - 1864

JO - Corrosion Science

JF - Corrosion Science

IS - 7

ER -

Influence of thermal aging on sulfate-reducing bacteria (SRB)-influenced corrosion behaviour of 2205 duplex stainless steel

Abstract

Keywords

Access to Document

Other files and links

Cite this