Investigation of dislocation and twinning behavior in HMX under high-velocity impact employing molecular dynamics simulations
Can-shu Yang,
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Shuhai Zhang
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Journal of Molecular Modeling,
Journal Year:
2024,
Volume and Issue:
30(2)
Published: Jan. 25, 2024
Language: Английский
Molecular dynamics simulations of irradiation on microstructural and mechanical properties of 1,3,5-trinitro-1,3,5-triazacyclohexane
Xiyao Yun,
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Tao Wang,
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Weiyi Li
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et al.
Computational and Theoretical Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown, P. 115219 - 115219
Published: March 1, 2025
Language: Английский
A high density and low sensitivity carrier explosive promising to replace TNT: 3-Bromo-5-fluoro-2,4,6-trinitroanisole
Energetic Materials Frontiers,
Journal Year:
2024,
Volume and Issue:
5(2), P. 131 - 140
Published: June 1, 2024
To
address
the
issues
of
high
saturated
vapor
pressure,
toxicity,
and
viscosity
TNT,
this
article
used
a
chemical
method
to
synthesize
new
carrier
explosive
BFTNAN.
The
prepared
samples
were
characterized
using
scanning
electron
microscope(SEM),
energy
spectrum(EDS),
x-ray
diffraction(XRD),
infrared
spectrum(IR),
photoelectron
spectroscopy(XPS),
nuclear
magnetic
resonance,
elemental
analysis
techniques.
enthalpy
formation
BFTNAN
was
measured
specialized
calorimeter
that
is
specially
in
testing
explosives
powders.
thermal
decomposition
performance
tested
by
DSC
technology.
Meanwhile,
mechanical
sensitivity,
detonation
based
melt-cast
also
tested.
results
characterizations
showed
sample
indeed
determined
as
ΔHf,BFTNAN
=
−72.6
kJ·mol−1.
At
heating
rate
20
°C·min−1,
peak
at
TP
250.6
°C,
activation
EK
80
kJ·mol−1,
which
closed
Tp
values
TNT.
This
indicates
relatively
easy
decompose
explosive,
but
not
fast.
critical
temperature
for
explosion
reached
Tb
216
value
impact
friction
sensitivity
lower
than
those
DNAN.
velocity
heat
distinctly
higher
TNT
explosive.
Especially,
advantages
storage,
work
capacity,
brisance,
ability
acceleration
metals.
Language: Английский
Batch synthesis of 2,4,6‐trinitro‐3‐bromoanisole and its thermolysis and combustion performance
Propellants Explosives Pyrotechnics,
Journal Year:
2024,
Volume and Issue:
49(7)
Published: May 30, 2024
Abstract
A
new
carrier
explosive
TNBA
was
batch
synthesized
by
a
chemical
method.
The
prepared
samples
were
characterized
using
SEM,
EDS,
XRD,
IR,
XPS,
nuclear
magnetic
resonance,
and
elemental
analysis
techniques.
enthalpy
of
formation
measured
specialized
calorimeter
that
is
specially
used
in
testing
explosives
powders.
thermal
decomposition
performance
tested
DSC
technology.
Meanwhile,
the
combustion
also
tested.
results
characterizations
showed
sample
indeed
TNBA.
determined
as
Δ
H
f,TNBA
=+48.5
kJ/mol.
At
heating
rate
20
°C/min,
peak
at
T
P
=285.3
°C,
activation
energy
E
K
=91
kJ/mol,
which
higher
than
p
values
TNT.
This
indicates
relatively
easy
to
decompose
explosive,
but
not
fast.
critical
temperature
for
explosion
reached
b
=247
value
TNT,
slightly
lower
DNAN,
significantly
DNTF,
TNAZ,
MTNP.
test
has
highest
pressure
pressurization
rate;
temperature;
however,
due
high
oxygen
balance,
heat
excess
pure
highest.
Language: Английский