Mineral Characterization Using Scanning Electron Microscopy (SEM): A Review of the Fundamentals, Advancements, and Research Directions
Applied Sciences,
Год журнала:
2023,
Номер
13(23), С. 12600 - 12600
Опубликована: Ноя. 22, 2023
Scanning
electron
microscopy
(SEM)
is
a
powerful
tool
in
the
domains
of
materials
science,
mining,
and
geology
owing
to
its
enormous
potential
provide
unique
insight
into
micro
nanoscale
worlds.
This
comprehensive
review
discusses
background
development
SEM,
basic
SEM
operation,
including
specimen
preparation
image
processing,
fundamental
theoretical
calculations
underlying
operation.
It
provides
foundational
understanding
for
engineers
scientists
who
have
never
had
chance
dig
depth
contributing
their
workings
this
robust
analytical
technique.
The
present
covers
how
serves
as
crucial
mineral
characterization,
with
specific
discussion
on
research
fronts
SEM-EDX,
SEM-AM,
SEM-MLA,
QEMSCAN.
With
automation
gaining
pace
all
spheres
technology,
uncertainties
measurements
very
important.
constraints
phase
identification
by
EDS
spectra
sample
are
conferred.
In
end,
future
directions
analyzed
possible
incorporation
machine
learning,
deep
artificial
intelligence
tools
automate
process
identification,
quantification,
efficient
communication
researchers
so
that
robustness
objectivity
can
be
improved
analysis
time
involved
costs
reduced.
also
idea
integrating
robotics
make
equipment
portable
further
characterization
gained
not
only
Earth
but
other
terrestrial
grounds.
Язык: Английский
Degradation behavior and self-healing mechanism of force-Cl- triggered microcapsule/ cementitious composites
Cement and Concrete Composites,
Год журнала:
2025,
Номер
unknown, С. 105951 - 105951
Опубликована: Янв. 1, 2025
Язык: Английский
Characterization of self-repairing performance and thermodynamic study of the SiO2-CaCO3 supported graphene oxide in cement composites
Case Studies in Construction Materials,
Год журнала:
2025,
Номер
unknown, С. e04374 - e04374
Опубликована: Фев. 1, 2025
Язык: Английский
Effects of bacterial consortium enhanced recycled coarse aggregates on self‐healing concrete immobilized with Bacillus megaterium MTCC 1684 and Bacillus subtilis NCIM 2193
Structural Concrete,
Год журнала:
2023,
Номер
25(3), С. 1840 - 1864
Опубликована: Дек. 29, 2023
Abstract
The
strength
and
durability
properties
of
the
recycled
aggregate
concrete
(RAC)
have
been
affected
by
cracks
weak
interfacial
transition
zone
(ITZ)
coarse
aggregates
(RCA).
However,
mechanical
physical
features
RCA
can
be
improved
microbially
induced
calcite
precipitation
(MICP).
Therefore,
immobilization
techniques
were
used
to
protect
maintain
high
efficiency
Bacillus
bacteria
for
formation
calcium
carbonates
in
self‐healing
over
a
period
time.
objective
present
study
was
show
viability
immobilized
bacterial
consortium‐enhanced
form
cracks.
Further,
capability
enhanced
investigated
along
with
two
other
methods,
that
is,
hydrated
lime
brick
powder
(HBr)‐immobilized
bacteria.
experimental
results
increase
bio‐deposition
time
RCA.
subsequently
56
days
healing
incubation
period,
specimens
completely
healed
width
0.58
mm.
equivalent
0.56
mm
also
recovered
HBr
cultures.
Furthermore,
field
emission
scanning
electron
microscope
(FESEM),
energy
dispersive
spectroscopy
(EDS)
X‐ray
diffraction
(XRD)
analysis
revealed
existence
at
crack
surface
carbonate
regular
cubic‐shaped
lamellar
layer
morphology.
outcomes
current
has
promising
potential
develop
self‐repaired
construction
field.
Язык: Английский
A novel protective cementitious material based on bimetallic hydroxide-modified microbial mineralization: Design, preparation, protective performance, mechanism, and engineering application
Construction and Building Materials,
Год журнала:
2024,
Номер
445, С. 137966 - 137966
Опубликована: Авг. 22, 2024
Язык: Английский
Effect of compound mineral capsules on the self-healing performance of cementitious materials under marine environment
Cement and Concrete Composites,
Год журнала:
2024,
Номер
153, С. 105725 - 105725
Опубликована: Авг. 26, 2024
Язык: Английский
"Smart" concrete based on microbially induced carbonate precipitation – A review
Construction and Building Materials,
Год журнала:
2024,
Номер
451, С. 138904 - 138904
Опубликована: Окт. 28, 2024
Язык: Английский
Investigation on chloride resistance of high-volume slag low-carbon cement-based materials with crystalline admixture under seawater
Journal of Materials Science,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 13, 2024
Язык: Английский
Evaluation of Self-Healing Properties of OPC-Slag Cement Immersed in Seawater Using UPV Measurements
Materials,
Год журнала:
2023,
Номер
16(21), С. 7018 - 7018
Опубликована: Ноя. 2, 2023
In
this
study,
OPC-slag
cement,
which
partially
replaced
ground
granulated
blast-furnace
slag
(GGBFS),
was
immersed
in
seawater
at
three
temperatures
and
the
self-healing
effect
evaluated
through
ultrasonic
pulse
velocity
(UPV)
measurement.
addition,
test
specimens
without
cracks
were
cured
same
environment
to
compare
characteristics
of
UPV
crack-healing
effects.
The
results
study
showed
that
increasing
GGBFS
content
or
immersion
temperature
improved
healing
up
30
days
after
immersion,
but
there
no
significant
immersion.
a
saltwater
environment,
thick
layer
brucite
deposited
near
crack,
blocking
inflow
impeding
formation
additional
material.
According
visual
observation,
crack
entrance
appears
have
been
covered
healed
by
layer.
However,
area
increases
early
stages
may
lead
misconception
it
is
self-healed,
possibility
overestimating
effect.
Язык: Английский