APL Materials,
Journal Year:
2024,
Volume and Issue:
12(5)
Published: May 1, 2024
The
emphasis
on
producing
high-energy
and
insensitive
composite
microspheres
has
increased
in
energetic
materials.
However,
few
methods
are
available
for
preparing
good
spherical
morphological
microspheres.
To
produce
that
both
safe,
this
article,
a
continuous
pipe-stream
self-assembly
device
was
constructed
to
FOX-7/HMX
continuously
taking
advantage
of
the
principle
PVA
Tween-80
can
reduce
surface
tension
water.
In
comparison
with
molding
powders
produced
by
kneading
way,
prepared
had
fewer
defects,
denser
structure,
more
shape,
smaller
range
particle
sizes.
mechanical
properties
pressed
columns
were
better,
maximum
compressive
strength
strain
44.2%
21.4%,
respectively;
flowability
bulk
density
also
improved
some
extent
(angle
repose:
vs
method
powder,
26.6°
51.1°;
density:
0.522
0.426
g/cm3).
Mechanical
sensitivity
been
significantly
reduced.
This
article
provides
innovative
ideas
using
device.
Industrial & Engineering Chemistry Research,
Journal Year:
2024,
Volume and Issue:
63(8), P. 3514 - 3524
Published: Feb. 15, 2024
In
this
paper,
a
method
to
reduce
the
hygroscopicity
of
energetic
oxidizer
ammonium
dinitramide
(ADN)
was
proposed
by
modulating
surface
properties
ADN
crystals
with
additive
microdoping.
Cyclotetramethylene
tetranitramine
(octogen,
HMX)
selected
as
additive,
and
three-layer
solventization
model
constructed
based
on
adhesion
energy
theory
placing
in
solvent
layer.
The
modified
energies
moisture
absorption
rates
each
crystal
were
calculated
under
effects
different
solvents
additives.
additives
growth
morphology
presence
investigated.
interactions
between
crystalline
surfaces
analyzed,
modification
attachment
calculated.
results
showed
that
utilizing
HMX
an
significantly
influenced
morphology,
face
occupancy,
rate
environments.
best
antihygroscopicity
performance
dichloromethane
(DCM)
environment,
percentage
antihygroscopic
faces
increased
up
74.70%.
Ultrasonics Sonochemistry,
Journal Year:
2024,
Volume and Issue:
107, P. 106946 - 106946
Published: June 6, 2024
Low
sensitivity
octahydro-1,3,4,7-tetranitro-1,3,5,7-tetrazocine
(HMX)
has
garnered
significant
attention
from
researchers
due
to
its
reduced
shock
sensitivity.
However,
the
crystallization
process
poses
challenges
high
solidity
and
viscosity
of
metastable
α
phase.
Despite
efforts
address
this
with
additional
energy
sources
like
ultrasonic
irradiation,
prolonged
exposure
duration
often
results
in
small
particle
sizes,
hindering
production
HMX
a
consistent
size
distribution,
thus
limiting
applicability.
To
overcome
these
challenges,
method
combining
irradiation
trace
H
Journal of Materials Research and Technology,
Journal Year:
2024,
Volume and Issue:
30, P. 2041 - 2050
Published: March 26, 2024
The
handling
safety
of
high
explosives,
as
routinely
characterized
by
the
drop-weight
impact
sensitivity
(IS),
has
important
repercussions
on
development
explosives.
Herein,
impressive
low
IS
β-HMX
(1,3,5,7-tetranitro-1,3,5,7-tetraazacyclooctane)
spherulite
and
corresponding
desensitization
mechanism
are
elaborated
with
influential
role
grain
boundary.
is
evaluated
a
substantial
number
tests
using
"X
out
25",
Bruceton
"up
down"
high-speed
photography
technology.
collected
data,
comprising
over
12
batches
samples
for
total
about
400
tests,
analyzed
function
particle
structure
parameters.
was
found
to
positively
relate
porosity
calculated
from
Small-Angle
X-ray
Scattering
data
which
semi-quantitatively
reflects
boundary
in
spherulite.
investigation
into
influence
shape
suggests
that
while
did
contribute
desensitization,
primary
factor
affecting
reduction
HMX
presence
boundaries.
strengthening
spherical
envelope
be
they
may
beneficial
energy
de-localization,
thereby
mitigating
localized
heating.
polycrystalline
purity
(>98.5%),
sphericity
(>80.0%)
(>0.4%)
carefully
controlled
exhibits
lowest
0%
H50
c.a.
99.0
cm,
outperforming
any
other
monocrystalline
particles.
This
work
introduces
new
consideration
energetic
crystals,
been
previously
underestimated
but
holds
promise
design
explosives
improved
safety.
The Journal of Chemical Physics,
Journal Year:
2025,
Volume and Issue:
162(16)
Published: April 22, 2025
5,5′-Bis(2,4,6-trinitrophenyl)-2,2′-bi(1,3,4-oxadiazole)
(TKX-55)
is
a
new
type
of
heat-resistant
energetic
material
with
excellent
detonation
performance.
To
study
the
crystal
particle
morphology
and
size
control
TKX-55,
this
predicted
structure
TKX-55
through
quantum
chemistry
molecular
dynamics
simulations
as
well
simulated
analyzed
changes
that
occur
under
influence
specific
solvents
habit
modification.
Based
on
simulation
results,
designed
five
different
recrystallization
methods
prepared
recrystallized
products
morphologies
distributions.
The
growth
mechanism
was
discussed.
samples
were
characterized
using
scanning
electron
microscopy,
powder
x-ray
diffraction,
infrared
spectroscopy
techniques.
thermal
properties
tested
differential
calorimetry
thermogravimetric
analysis.
impact
sensitivity
sample
tested,
it
found
product
significantly
lower
than
raw
material.
Through
combination
experiment,
ultimately
obtained
three
rules,
narrow
distribution,
effectively
improved
safety
particles.
The Journal of Physical Chemistry A,
Journal Year:
2024,
Volume and Issue:
128(32), P. 6668 - 6676
Published: Aug. 6, 2024
When
the
particle
size
of
energetic
materials
is
reduced
to
nanoscale,
significant
changes
occur
in
their
properties
and
behavior.
In
this
work,
compression
processes
three
RDX
nanoparticles
(
