Journal of Engineering Research,
Journal Year:
2024,
Volume and Issue:
12(3), P. 321 - 327
Published: Jan. 21, 2024
In
this
study,
the
Morinda
citrifolia
extract
was
evaluated
as
a
sustainable
inhibitor
of
mild
steel
in
saline
environments.
The
work
aimed
to
determine
inhibition
efficiency
new
active
material
for
metal
corrosion
inhibition.
powdered
simplicia
M.
extracted
macerator
three
days
using
solvent
daily.
functional
group
bonds
were
analyzed
by
Fourier
Transform
Infrared
(FT-IR).
performance
extracts
with
potentiodynamic
polarization
(PDP)
and
electrochemical
impedance
spectroscopy
(EIS)
techniques
three-electrode
cell
system.
surface
morphology
pictured
Field
effect
scanning
electron
microscopy
(FE-SEM)
coupled
energy
dispersive
X-ray
(EDX).
Potentiodynamic
results
show
decreasing
current
(Icorr)
presence
an
citrifolia.
Furthermore,
resistance
capacity
transfer
(Rct)
increases
addition
extract.
optimum
(%IE)
achieved
at
300
mg
L−1
concentrations
85.10%
PDP
technique.
is
smoother
than
without
adding
extracts.
increase
associated
molecule
adsorption
from
compounds
into
surface.
study
confirmed
that
potential
biomaterial
engineering
inhibitors
on
environment.
Results in Engineering,
Journal Year:
2024,
Volume and Issue:
23, P. 102677 - 102677
Published: Aug. 6, 2024
Corrosion
becomes
a
severe
problem
in
several
sectors
due
to
its
various
effects.
The
present
work
focusing
for
corrosion
inhibition
efficiency
of
mild
steel
1
M
HCl
using
7-mercapto-4-methylcoumarin
(MMC)
through
experimental
and
theoretical
methods.
Thus,
the
key
goal
is
understand
what
extents
MMC
efficient
avoiding
situations.
With
this
end
view,
electrochemical
impedance
spectroscopy
(EIS),
dynamic
polarization
(DP)
test
weight
loss
measurements
were
carried
out.
outcomes
showed
fact
that
mitigation
was
directly
proportional
concentration
but
it
negatively
temperature.
highest
efficiency,
up
95.8
%,
demonstrated
at
an
inhibitor
0.5
mM.
Based
on
Langmuir
adsorption
isotherm
wear
properties
indicated
mixed
passive
nature
during
interactions.
Additionally,
quantum
chemical
calculations,
including
density
functional
theory
(DFT),
achieved
determine
molecular
structure
relationships.
Key
parameters
such
as
energy
gap
(Egap),
EHOMO,
ELUMO,
hardness
(η),
softness,
electronegativity
(χ),
electron
fraction
transitions
(ΔN)
also
determine.
results
from
these
computations
confirmed
with
results,
confirming
characteristics
MMC.
variation
activation
presence
tested
further
validated
effective
inhibitor,
comprehensive
insights
into
potential
industrial
usages.
Applied Surface Science Advances,
Journal Year:
2023,
Volume and Issue:
18, P. 100465 - 100465
Published: Oct. 10, 2023
The
present
study
investigates
the
inhibition
potential
of
Tinospora
cordifolia
extract
in
combination
with
different
methanol
solvents
on
corrosion
carbon
steel
artificial
seawater
environments.
Potentiodynamic
polarization
(PDP)
and
electrochemical
impedance
spectroscopy
(EIS)
methods
were
utilized
to
evaluate
this
inhibitor.
measurement
data
show
a
positive
correlation
among
efficiency
(%IE),
inhibitor
concentration,
temperature,
time.
However,
above
320
K,
has
slight
decline,
as
well
when
exposure
duration
extends
beyond
30
minutes.
highest
observed
was
85.94%,
achieved
by
incorporating
300
mgL−1
T.
(at
310
K).
suggested
occur
through
adsorption
metal
surface
complies
Langmuir
isotherm.
potentiodynamic
analysis
findings
demonstrated
that
mainly
acted
mixed
EIS
suggests
became
effective
increasing
charge
transfer
resistance
(Rct)
adsorbing
surface.
FE-SEM
verified
enhances
smoothness
specimen.
mode
prevention
is
validated
change
chemical
composition
elemental
examined
EDX
studies.
contains
numerous
aromatic
phenolic
compounds.
FT-IR
confirmed
presence
several
compounds
N
OH
bonds
extract.
It
been
established
could
be
used
for
marine
environment.
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: May 10, 2024
Abstract
In
this
work,
we
study
the
efficiency
of
N
1
,
3
-dibenzyl-
-tetramethylpropane-1,3-diaminium
chloride,
as
anticorrosion.
This
compound
exhibits
potential
a
prospective
remedy
to
stop
deterioration
carbon
steel
caused
by
corrosion
in
1.0
M
HCl.
The
synthesis
is
described
comprehensive
manner,
and
its
composition
supported
range
precise
analytical
approaches
such
elemental
analysis,
mass
spectroscopy.
Based
on
findings
investigation,
synthesized
Gemini
ionic
liquid
demonstrates
robust
capacity
slow
down
rate
at
which
metal
corrodes.
Prepared
was
evaluation
electrochemical
morphology
study.
Our
results
revealed
that
elevating
inhibitor
concentration
led
an
augmentation
inhibition
effectiveness,
reaching
up
94.8%
200
ppm
298
K.
It
crucial
emphasize
recently
prepared
consistent
with
Langmuir
adsorption
model
function
mixed
inhibitor,
participating
physio-chemisorption
process
adsorption.
