Multi-interfacial engineering of CoN/CoP heterostructures by synergistic coupling of Ru and MXene for high-efficiency hydrogen generation from ammonia-borane hydrolysis
Yutong Li,
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Qiuhong Wei,
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Haoyue Huang
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et al.
International Journal of Hydrogen Energy,
Journal Year:
2025,
Volume and Issue:
109, P. 325 - 334
Published: Feb. 12, 2025
Language: Английский
Manufacture of Sustainable Cork Stoppers for Spirits Through Compression Molding
Marcos Pino,
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Iván Martín Alconchel,
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M.P. Villar
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et al.
Lecture notes in mechanical engineering,
Journal Year:
2025,
Volume and Issue:
unknown, P. 465 - 477
Published: Jan. 1, 2025
Language: Английский
Revealing patterns of change in the tribological efficiency of composite materials for machine parts based on phenylone and polyamide reinforced with arimide-t and fullerene
Eastern-European Journal of Enterprise Technologies,
Journal Year:
2024,
Volume and Issue:
3(12 (129)), P. 6 - 18
Published: June 28, 2024
The
object
of
the
study
is
process
changing
tribological
efficiency
according
to
tribotechnical
characteristics
(wear
intensity,
friction
coefficient,
temperature
in
contact
zone)
composites
based
on
phenylone
C-1
and
polyamide
PA-6
with
arimide-T
filler
fullerene
C-60.
solved
problem
obtaining
high
wear
resistance.
Based
results
research,
it
was
found
that
varying
content
makes
possible
obtain
different
patterns
changes
under
conditions
dry
friction,
lubrication
water
I-50
oil.
Composites
composition:
C-1+15
wt.
have
maximum
efficiency.
%
arimide-T+3
C-60
PA-6+30
Phenylone
has
destructive
properties
when
working
environment
zone.
Its
reinforcement
C60
gave
positive
a
complex
these
conditions.
It
oil
two
orders
magnitude
lower
than
water.
Research
samples
from
obtained
PA-6,
reinforced
optimal
C60,
showed
their
resistance
lubricated
3.5...4.0
times
greater
bronze.
An
applied
aspect
reported
introduction
manufacturing
technologies
restoration
machine
parts
proposed
composites.
been
proven
composition
contributes
could
provide
required
level
reliability
resource-determining
nodes,
systems,
assemblies.
be
used
by
machine-building
repair-technological
enterprises
Language: Английский
Circular Economy Alternative Repurposing Textile Solid Discarded Materials from the Leather Goods Sector in Ubrique (Cádiz), Southern Spain
Applied Sciences,
Journal Year:
2024,
Volume and Issue:
15(1), P. 145 - 145
Published: Dec. 27, 2024
The
leather
industry
is
experiencing
a
significant
rise
in
production,
resulting
an
increase
discarded
materials–often
classified
as
urban
waste—that
end
up
landfills
or
are
incinerated.
Given
the
geographical
proximity
of
goods
sector
Ubrique
to
cork
stopper
manufacturing
El
Puerto
de
Santa
María/Jerez
and
viticulture
Jerez/Sanlúcar/Chiclana,
it
essential
explore
synergies
that
can
address
environmental
challenges
by
contemplating
circular
economy
approach.
This
study
focuses
on
existing
potential
repurposing
materials,
such
reinforcements
linings,
meticulously
recording,
classifying,
characterizing
them.
aim
valorize
these
by-products
line
with
principles
set
out
European
Union.
Specifically,
research
investigates
feasibility
using
materials
raw
inputs,
combination
resins,
produce
bottle
stoppers
for
high-end
spirits
industry.
Findings
indicate
single
company
generates
over
six
tons
textile
waste
per
month,
which
equates
approximately
EUR
25,000
annually
landfill
disposal
costs.
By
implementing
alternative
uses
just
8.75%
economic
saving
around
750
year
was
reached.
In
addition,
low-cost
vacuum
molding
method
tested
producing
stoppers,
yielding
aesthetically
pleasing
durable
prototypes.
application
circularity
index
enabled
identification
optimal
remnants
reintroduction
into
production
cycle.
re-integration
not
only
reduces
reliance
virgin
plastic
but
also
has
significantly
reduce
overall
impact
across
interconnected
sectors.
Ultimately,
this
highlights
viability
adopting
practices
within
promote
sustainability
efficiency.
Language: Английский