Coatings,
Journal Year:
2024,
Volume and Issue:
14(12), P. 1556 - 1556
Published: Dec. 12, 2024
Bio-based
corrosion
inhibitor
formulations
are
incredibly
promising
for
mitigating
corrosion,
offering
an
environmentally
sustainable
approach
while
providing
effective
protection
against
material
degradation.
This
study
explores
the
inhibition
potential
of
Ammi
visnaga
essential
oil
(AVEO)
on
carbon
steel
(CS)
in
a
1
mol/L
hydrochloric
acid
(HCl)
medium,
combining
electrochemical
impedance
spectroscopy
(EIS),
potentiodynamic
polarization
(PDP),
linear
resistance
(LPR),
weight
loss
(WL)
analysis,
density
functional
theory
(DFT),
density-functional
tight-binding
(DFTB)
modeling,
and
molecular
dynamics
(MD)
simulation.
The
AVEO
was
extracted
through
hydrodistillation,
its
chemical
profile
characterized
to
identify
key
active
compounds.
EIS
PDP
results
revealed
that
effectively
inhibited
formation
protective
layer
surface,
exhibiting
efficiencies
up
84%
at
3
g/L,
with
mixed-type
action.
Nyquist
plots
displayed
increased
concentration,
indicating
enhanced
surface
coverage
reduction
sites.
WL
studies
further
supported
these
findings,
showing
decreased
rates
proportional
temperature
variation
showed
performance
higher
temperatures.
Scanning
electron
microscope
(SEM)
analysis
CS
upon
addition
HCl
medium.
DFTB
modeling
MD
simulations
were
employed
evaluate
interaction
between
major
constituents
insight
into
adsorption
behavior
electronic
contributions
molecule–metal
interface.
combined
experimental
theoretical
findings
indicate
holds
promise
as
natural,
eco-friendly
inhibitor,
implications
metal
acidic
environments.
Corrosion and Materials Degradation,
Journal Year:
2024,
Volume and Issue:
5(4), P. 513 - 560
Published: Oct. 31, 2024
Molecular
inhibitors
added
to
the
corrosive
medium
attacking
metallic
materials
are
a
well-established
way
of
combating
corrosion.
The
inhibitive
action
proceeds
via
adsorption
inhibitor
on
surface
be
protected.
Aromatic
building
blocks
in
play
major
role
its
protective
action,
and
further
details
like
substituents,
heteroatoms,
molecular
geometry
contribute.
An
overview
focused
aromatic
is
provided,
aiming
at
identification
particularly
promising
their
mode
action.
Directions
for
research
development
pointed
out
conclusion.
Journal of Dispersion Science and Technology,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 17
Published: Nov. 7, 2024
The
objective
of
this
research
work
was
to
assess
Teucrium
luteum
subsp.
flavovirens
essential
oil
(EOTL),
for
the
first
time,
as
novel
and
eco-friendly
corrosion
inhibitor
carbon
steel
(CS)
in
1.0
M
HCl
medium.
Electrochemical
impedance
spectroscopy
(EIS),
potentiodynamic
polarization
(PDP)
surface
analysis
were
employed
effectiveness
EOTL.
findings
indicate
that
EOTL
reduces
CS
hydrochloric
acid
offered
an
inhibition
efficiency
(IE)
91%
at
a
dosage
2.00
g/L
298
K.
PDP
data
showed
behaved
mixed-type
inhibitor.
effect
immersion
time
temperature
on
performance
also
studied.
It
found
IE
increased
only
up
24
h
decreased
with
prolonged
time.
In
addition,
diminished
increasing
temperature.
molecules
adsorbed
following
Langmuir
adsorption
isotherm,
energy
ranging
from
−16
−27
kJ/mol,
indication
physico-chemical
mechanisms.
SEM/EDX
results
provide
evidence
presence
protective
film
CS.
Theoretical
studies
using
DFT,
Monte
Carlo
simulations,
molecular
dynamics
simulations
mean
square
displacement
conducted
given
insight
into
contributions
four
main
components
This
not
introduces
sustainable
alternative
conventional
inhibitors
but
provides
robust
understanding
underlying
mechanisms,
hence
contributing
advancement
science.
Coatings,
Journal Year:
2024,
Volume and Issue:
14(12), P. 1556 - 1556
Published: Dec. 12, 2024
Bio-based
corrosion
inhibitor
formulations
are
incredibly
promising
for
mitigating
corrosion,
offering
an
environmentally
sustainable
approach
while
providing
effective
protection
against
material
degradation.
This
study
explores
the
inhibition
potential
of
Ammi
visnaga
essential
oil
(AVEO)
on
carbon
steel
(CS)
in
a
1
mol/L
hydrochloric
acid
(HCl)
medium,
combining
electrochemical
impedance
spectroscopy
(EIS),
potentiodynamic
polarization
(PDP),
linear
resistance
(LPR),
weight
loss
(WL)
analysis,
density
functional
theory
(DFT),
density-functional
tight-binding
(DFTB)
modeling,
and
molecular
dynamics
(MD)
simulation.
The
AVEO
was
extracted
through
hydrodistillation,
its
chemical
profile
characterized
to
identify
key
active
compounds.
EIS
PDP
results
revealed
that
effectively
inhibited
formation
protective
layer
surface,
exhibiting
efficiencies
up
84%
at
3
g/L,
with
mixed-type
action.
Nyquist
plots
displayed
increased
concentration,
indicating
enhanced
surface
coverage
reduction
sites.
WL
studies
further
supported
these
findings,
showing
decreased
rates
proportional
temperature
variation
showed
performance
higher
temperatures.
Scanning
electron
microscope
(SEM)
analysis
CS
upon
addition
HCl
medium.
DFTB
modeling
MD
simulations
were
employed
evaluate
interaction
between
major
constituents
insight
into
adsorption
behavior
electronic
contributions
molecule–metal
interface.
combined
experimental
theoretical
findings
indicate
holds
promise
as
natural,
eco-friendly
inhibitor,
implications
metal
acidic
environments.