316L
stainless
steel
(SS)
is
the
key
raw
material
for
preparation
of
high-performance
oil
and
gas
pipelines
,
but
even
with
excellent
properties
will
be
attacked
by
sulfate-reducing
bacteria
(SRB)
corrosion.
Excellent
antibacterial
effects
have
been
obtained
in
other
SS
systems
doping
elements.
However,
current
research
on
not
comprehensive,
quantitative
analysis
mechanism
elements
still
unclear.
In
this
paper,
Cu
Ce
added
were
prepared
vacuum
induction
melting.
Then
homogenization
treatment
combined
hot
rolling
was
used
to
improve
structure
segregation
mechanical
properties.
Further,
weight
loss
tests
electrochemical
conducted
evaluate
corrosion
resistance
SS,
products
morphology
characterized
clarify
modified
quantify
The
results
indicate
that
microstructure
after
mainly
austenite,
increase
content,
Ce-rich
phase
segregates.
inhibitory
effect
SRB
can
explained
destructive
ions
cell
membranes.
On
basis,
adding
a
low
content
element
permeability
wall
further
enhance
attack
membrane.
Two-step
leads
exhibit
strength
elongation.
Segregation
main
reason
affecting
SS.
optimal
addition
amount
0.18
wt%,
elongation
are
566.55
MPa
100.15%,
respectively.
Journal of Bio- and Tribo-Corrosion,
Journal Year:
2024,
Volume and Issue:
10(1)
Published: Jan. 31, 2024
Abstract
The
loss
of
materials
due
to
corrosion
is
inevitable
and
has
gained
significant
attention
at
various
stages
in
the
process
industries,
including
petroleum,
food
processing
units,
tanneries.
With
detrimental
effects
occurring
as
a
result
microbial
activity,
research
on
methods
keep
them
under
control
become
essential.
About
10%
affliction
metals
non-metals
activity.
Microbiologically
Influenced
Corrosion
(MIC)
consequence
contact,
which
are
synergetic
between
bacteria
metals.
A
typical
marine
electroactive
bacterium
shown
produce
severe
MIC
Pseudomonas
aeruginosa
.
In
maritime
environment,
that
extremely
corrosive
stainless
steel.
However,
little
known
about
how
P.
causes
Stainless
steel
beneficial
material
been
employed
applications
its
corrosion-resistant
properties
mechanical
strength.
property
strongly
resist
owed
presence
chromium
composition.
forms
passive
film
chromium-rich
oxide
aerobic
conditions
low
temperatures,
protects
it
from
surroundings.
This
layer
can
be
harmed
by
harsh
weather
conditions.
activity
their
existence
modify
inorganic
layers,
raising
dissolution
levels
detaching
surface
metal.
review
aims
study
explicated
methodologies
more
within
broader
context
metal–microbe
interactions.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 30, 2025
Abstract
Microbiologically
influenced
corrosion
(MIC)
of
engineering
structures
poses
significant
safety
risks,
particularly
in
environments
where
sulfate‐reducing
bacteria
(SRB)
are
prevalent.
In
this
study,
a
highly
stable
hydrosol
with
strong
antibacterial
properties
is
developed
by
adsorbing
hydrophilic
groups
polymer
chains
onto
the
Cu‐Ag
bimetallic
nanoparticles
(BNPs).
The
synergistic
effects
polyvinylpyrrolidone
(PVP)
and
polyvinyl
alcohol
(PVA)
overcame
incompatibility
between
components
nanomaterials,
enhancing
dispersion
stability
BNP
hydrosol.
results
demonstrates
that
exhibited
potent
activities
at
50
ppm
(w/w),
achieving
approximately
5‐log
reduction
for
sessile
cells
after
21
days
using
retrieved
coupons
from
3‐day
pre‐culture
vials.
led
to
much
cleaner
X80
coupon
surfaces
due
biofilm
inhibition
MIC
mitigation.
weight
loss
measurements
reveals
efficiencies
91%
78%
25
ppm,
respectively.
Additionally,
density
functional
theory
(DFT)
modeling
copper
regulates
silver
ion
release,
action.
While
shows
great
potential,
challenges
still
exist
scaling
its
applications,
especially
marine
other
harsh
environmental
settings.
This
research
provides
promising
platform
developing
sustainable
bacterial
control
strategies,
suppressing
SRB
growth.
Antibiotics,
Journal Year:
2023,
Volume and Issue:
12(7), P. 1194 - 1194
Published: July 15, 2023
MIC
(microbiologically
influenced
corrosion)
is
problematic
in
many
industries,
especially
the
oil
and
gas
industry.
In
this
work,
N80
carbon
steel
for
pipelines
was
tested
with
26Cr3Mo
chromium
pipeline
comparison
SRB
(sulfate-reducing
bacterium)
mitigation
using
a
THPS
(tetrakis
hydroxymethyl
phosphonium
sulfate)-based
commercial
biocide
(Biotreat
5475
75-80%
by
mass).
Peptide
A,
nature-mimicking
synthetic
cyclic
peptide
(cys-ser-val-pro-tyr-asp-tyr-asn-trp-tyr-ser-asn-trp-cys)
biofilm
dispersal
ability
used
as
enhancer.
Metal
coupons
covered
3-d
old
Journal of Physics Conference Series,
Journal Year:
2024,
Volume and Issue:
2834(1), P. 012204 - 012204
Published: Oct. 1, 2024
Abstract
Metal
casings
shield
the
cathodic
protection
current
and
detection
signals
of
buried
metal
pipelines,
making
corrosion
technology
pipelines
at
casing
one
challenges
for
safe
operation
integrity
evaluation
pipelines.
This
paper
uses
primary
distribution
physics
interface
in
COMSOL
Multiphysic
simulation
software
to
study
effects
coating
quality
pipeline,
installation
sacrificial
anodes
casing,
conductivity
electrolyte,
defects
pipeline
on
potential.
The
influence
distribution.
results
show
that:
outer
surface
pipe
inside
has
a
great
potential
pipeline.
better
quality,
more
negative
is,
less
required
by
so
power
consumption
forced
law
is
reduced,
service
life
anode
longer.
Installing
positive
effect
this
special
section.
electrolyte
certain
impact
When
internal
greater,
protective
becomes
negative.
However,
impurities
such
as
soil,
groundwater,
silt
make
susceptible
corrosion,
keeping
annular
space
relatively
dry
an
important
prerequisite
anti-corrosion.
there
defect
inner
pipes
damaged
point
will
have
peak.
larger
peak
difference,
serious
is.
