Canadian Metallurgical Quarterly,
Год журнала:
2024,
Номер
unknown, С. 1 - 15
Опубликована: Дек. 13, 2024
This
research
aimed
to
examine
the
influence
of
green
inhibitor
extracted
from
Parthenium
hysterophorus
(PHS)
on
corrosion
behaviour
AZ31
Mg
alloy
in
3.5
wt%
NaCl
solution.
The
assessments
were
done
through
immersion
and
polarisation
tests
with
different
concentration
PHS
extract.
test
findings
showed
that
presence
extract
250
ppm
enhanced
inhibition
efficiency
82%.
At
303
K,
rate
bare
solution
is
0.41
mpy,
increasing
0.98
mpy
at
353
K.
With
addition
PHS,
drops
by
82%
K
61%
demonstrating
effectiveness
reducing
corrosion,
even
elevated
temperatures.
Arrhenius
plot
confirmed
increase
activation
energy
15.26
28.37
KJ/mol
an
concentration.
entropy
adsorption
calculated
as
56.20
J/mol
Langmuir
plot.
Journal of Materials Research and Technology,
Год журнала:
2024,
Номер
29, С. 803 - 823
Опубликована: Янв. 18, 2024
Corrosion,
a
destructive
electrochemical
dissolution
of
metals,
poses
significant
problem
impacting
numerous
industry
sectors.
It
leads
to
economic
losses,
technical
performance
deterioration,
and
environmental
damage.
Employing
corrosion
inhibitors
stands
out
as
one
the
most
common
strategies
shield
metallic
materials
from
corrosion.
In
recent
times,
imidazolium-based
ionic
liquids
(IBILs)
have
garnered
increasing
attention
promising
due
their
unique
properties,
including
high
thermal
stability,
conductivity,
low
volatility.
This
article
provides
an
overview
studies
on
utilization
IBILs
for
stainless
steels
in
various
corrosive
environments.
Initially,
brief
information
steel
resistance
is
presented,
followed
by
discussion
possible
attachment
mechanisms.
Furthermore,
mechanisms
involved
protection
are
explored,
along
with
factors
influencing
efficiency
inhibitors.
review
emphasizes
potential
diverse
industrial
applications.
Materials,
Год журнала:
2024,
Номер
17(16), С. 3996 - 3996
Опубликована: Авг. 11, 2024
Corrosion
is
an
inevitable
and
persistent
issue
that
affects
various
metallic
infrastructures,
leading
to
significant
economic
losses
safety
concerns,
particularly
in
areas
near
or
contact
with
saline
solutions
such
as
seawater.
Green
corrosion
inhibitors
are
compounds
derived
from
natural
sources
biodegradable
environments,
offering
a
promising
alternative
their
conventional
counterparts.
Despite
potential,
green
still
face
several
limitations
challenges
when
exposed
NaCl
environments.
This
comprehensive
review
delves
into
these
associated
challenges,
shedding
light
on
the
progress
made
addressing
issues
potential
future
developments
tools
management.
Explicitly
following
aspects
covered:
(1)
attributes
of
inhibitors,
(2)
general
mechanism,
(3)
mechanism
inhibition
NaCl,
(4)
typical
electrochemical
surface
characterization
techniques,
(5)
theoretical
simulations
by
Density
Functional
Theory,
(6)
testing
standards
guidelines
for
inhibitor
selection.
expected
advance
knowledge
promote
further
research
applications.
Advanced Materials Technologies,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 6, 2025
Abstract
Metals
are
prone
to
corrosion,
so
the
development
of
efficient
intelligent
protective
coatings
has
become
a
major
demand.
In
recent
years,
researchers
have
made
significant
progress
in
anti‐corrosion
field.
Intelligent
can
precisely
release
required
healing
agents
or
change
solid–liquid
phase
transition
response
external
stimuli,
such
as
pH,
temperature,
and
redox,
achieving
anti‐corrosion.
This
review
summarized
classifications
coatings,
discussed
triggering
mechanisms
explored
corrosion
inhibitors
for
aiming
provide
reference
further
development.
Metals,
Год журнала:
2025,
Номер
15(4), С. 440 - 440
Опубликована: Апрель 15, 2025
This
paper
investigates
the
corrosion
behavior
of
mild
steel
in
simulated
oilfield
wastewater
under
CO2,
H2S,
and
their
mixture.
Using
electrical
resistance
method,
rates
were
monitored,
influence
product
films
on
overall
performance
was
analyzed.
The
results
show
that
CO2/H2S
mixture
causes
highest
rate.
Metallographic
examination
X-ray
diffraction
(XRD)
provided
insights
into
nature
products
formed
surface.
While
hydrogen
sulfide
(H2S)
does
not
prevent
general
corrosion,
it
plays
a
role
mitigating
localized
damage.
Corrosion
leads
to
deep,
narrow
pits
weaken
structural
integrity
without
significant
surface
damage,
making
more
dangerous
than
uniform
corrosion.
In
CO2-only
environments,
electrochemical
reactions
form
protective
oxide
layers.
However,
H2S
alters
this
process
by
forming
iron
sulfides
(FeS),
which
are
less
but
still
act
as
barrier
against
further
mixed
interactions
between
gases
complicate
dynamics,
increasing
medium
aggressiveness
accelerating
material
degradation.
Understanding
these
mechanisms
is
critical
for
petroleum
industry,
where
equipment
exposed
harsh
conditions
with
varying
CO2
concentrations.
Recognizing
dual
H2S—its
inability
inhibit
its
effectiveness
reducing
pitting—can
guide
selection
inhibitor
development.
knowledge
enhances
durability
safety
oil
gas
infrastructure
addressing
most
damaging
forms
Research Square (Research Square),
Год журнала:
2024,
Номер
unknown
Опубликована: Апрель 17, 2024
Abstract
Corrosion
can
bring
serious
safety
issues,
environmental
and
economic
losses.
The
use
of
corrosion
inhibitors
is
an
important
technology
for
controlling
metal
corrosion.
Compared
to
small
molecule
inhibitors,
polymer
have
better
film-forming
ability,
multifunctionality,
viscosity,
high
temperature
resistance,
solubility
flexibility,
more
attachment
sites,
making
them
one
the
hotspots
future
development
inhibitors.
Here,
we
review
research
progress
natural
polymers,
polymeric
surfactant,
ionic
liquids,
β-cyolodextrin-based
polymers
nanocomposite
as
These
types
do
not
require
a
molecular
weight
achieve
their
desired
functions
exhibit
excellent
inhibition
performance.
However,
from
current
application
situation,
still
some
drawbacks.
For
example,
although
modified
pollute
environment,
extraction
separation
operations
are
cumbersome,
it
difficult
accurately
analyze
active
components
inhibitors;
Chemically
synthesized
pose
threat
environment
conducive
ecological
protection.
scientific
discuss
solutions
make
practical
industrial
major
points
following:
1)
Whether
substances
with
good
performance
be
grafted
onto
has
become
key
point
in
preparing
efficient
soluble
2)
Research
optimization
synthesis
processes
or
modification
methods
perspectives
material
sources,
solubility,
dosage,
composition;
3)
Develop
inexpensive,
efficient,
environmentally
friendly
promote
applications.
We
aim
propose
broad
prospects
potential
industry.
