Zeitschrift für Naturforschung A,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 25, 2024
Abstract
This
study
investigated
the
impact
of
incorporating
a
CrFeNiTiZn
High
Entropy
Alloy
(HEA)
into
A356
aluminum
matrix
through
friction
stir
processing
(FSP)
technique.
The
HEA,
renowned
for
its
compositional
complexity
and
high-performance
potential,
was
incorporated
alloy
with
different
weight
percent
combinations
to
enhance
mechanical
tribological
characteristics.
results
revealed
refined
microstructure
characterized
by
solid
solution
phases
potential
intermetallic
compound
formation
due
HEA
addition
A356/2
%Cr2
%Fe2
%Ni2
%Ti2
%Zn
composition.
Strong
interfacial
bond
strength
also
observed
among
reinforcement
particles
number
grains
found
be
about
1820.34
(average
grain
size
is
686
µm)
processed
composite
FSP
per
square
inch
at
500
magnifications.
exhibited
improved
tensile
(35.70
%)
hardness
(63.33
after
2
alloy,
attributed
strengthening
effect
particles.
Furthermore,
wear
resistance
notably
enhanced,
likely
synergistic
effects
HEA’s
inherent
modified
microstructure.
The International Journal of Advanced Manufacturing Technology,
Год журнала:
2024,
Номер
134(1-2), С. 781 - 793
Опубликована: Июль 26, 2024
Abstract
Welding
processes
are
widely
used
technologies
in
the
industrial
context
for
creating
permanent
connections
between
mechanical
components.
This
popularity
is
due
to
their
versatility,
which
arises
from
numerous
available
process
variants
and
multiple
advantages
they
offer
compared
other
joining
techniques.
In
manufacturing
context,
where
devices
often
operate
extreme
conditions,
quality
of
welds
becomes
a
critical
factor
ensuring
safety
reliability
manufactured
products.
Furthermore,
sound
joint
requires
careful
compliance
with
increasingly
stringent
design
specifications
demanded
by
customers
who
require
industry-standard
conformity
order
achieve
defect-free,
robust,
durable
welds.
To
address
these
needs
define
optimal
roadmap
investigated
condition,
an
experimental
investigation
was
conducted
on
submerged
arc
welding
process.
The
trials
involved
butt
joints
ASTM
A516
Gr.70
carbon
steel
plates
different
thicknesses
flat
position,
utilizing
U-shaped
chamfer
multi-pass
technique.
For
each
weldment,
effects
main
parameters
qualitative
characteristics
products
were
evaluated
metallurgical
perspective.
evaluation
included
in-depth
metallographic
analysis
heat-affected
zone
both
measurement
dimensions
areas
as
well
amount
ferrite
pearlite
that
resulted
phases
observed
final
microstructure
following
its
solidification.
assessed
regard
strength
through
hardness
measurements.
By
analysing
data,
paper
provides
valuable
contribution
increasing
productivity
process,
while
simultaneously
meeting
specified
requirements
made
medium-thickness
steels.
Journal of Engineered Fibers and Fabrics,
Год журнала:
2024,
Номер
19
Опубликована: Янв. 1, 2024
Air
pollution
is
increasing
daily,
causing
global
warming
and
many
environmental
issues,
it
also
the
cause
of
diseases.
According
to
reports,
brick
kilns
play
a
major
role
in
emission
black
carbon
that
causes
air
pollution.
It
necessary
find
another
way
produce
bricks.
The
trend
these
days
increase
applications
natural
fibers
eco-friendly
materials
reuse
waste
control
Synthetic
chemical
are
pollution,
diseases,
even
deaths
people.
In
this
direction,
were
used
Abaca
fiber,
Pinus-Roxburghi
leaves,
wood,
wheat
straw,
animal
dung,
sand,
cement,
phenolic
resin,
gypsum
various
percentages
create
novel
brick.
investigation,
was
discovered
hybrid
fiber-based
bricks
had
strong
physical-mechanical,
mechanical-chemical,
thermal
stability
properties,
light
weight,
good
sound
absorption
capabilities.
Significant
improvement
has
been
identified,
AB-4
Brick
shows
maximum
porosity
with
42.5%
as
compared
AB-1
Materials,
Год журнала:
2024,
Номер
17(19), С. 4693 - 4693
Опубликована: Сен. 24, 2024
Fiber-reinforced
thermoplastics
(FRTPs)
have
become
a
new
generation
of
lightweight
materials
due
to
their
superior
mechanical
properties,
good
weldability
and
environmental
resistance,
potential
for
recycling,
etc.
The
market
FRTPs
is
expected
grow
at
compound
annual
growth
rate
(CAGR)
7.8%
from
2022
2030.
Many
researchers
been
trying
solve
the
problems
in
processing
joining
process,
gradually
expand
application.
Resistance
welding
one
most
suitable
techniques
join
FRTPs.
This
paper
summarizes
research
progress
FRTP
resistance
terms
basic
process
welding,
factors
affecting
joint
performance,
failure
behavior,
numerical
simulation,
weld
quality
control,
thermoplastic/thermoset
composites.
objective
this
provide
deeper
insight
into
knowledge
reference
further
development
application
welding.
steel research international,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 24, 2024
With
the
growing
demands
in
several
sectors
such
as
automotive,
biomedical,
construction,
shipbuilding,
aerospace,
and
other
manufacturing
units,
employment
of
welding
techniques
has
observed
a
rapid
boom
recent
times.
Laser
technique
is
one
sign
progress
fabrication
field.
beam
radiant
energy
process
widely
adapted
to
join
variety
metals
nonmetals.
The
demand
for
dissimilar
material
increases
with
increase
industrial
needs.
Several
severe
challenges
need
be
overcome
have
welded
components
mainly
significant
difference
melting
point,
different
combinations
mechanical,
metallurgical,
chemical,
thermal
properties.
present
approach
attempts
study
weldability
steel
its
alloys
parametric
effects
on
mechanical
microstructural
reveals
that
laser
offset
plays
vital
role
achieve
sound
quality
joint
desirable
weld
strength.
It
been
found
0.32
mm
generates
243
MPa
ultimate
tensile
strength
316L
TC4
welds.
Again,
addition
interlayers
also
improves
both
steel‐to‐aluminum
steel‐to‐titanium
joints.
Research Square (Research Square),
Год журнала:
2024,
Номер
unknown
Опубликована: Май 20, 2024
Abstract
Welding
processes
are
widely
used
technologies
in
the
industrial
context
for
creating
permanent
connections
between
mechanical
components.
This
popularity
is
due
to
their
versatility,
which
arises
from
numerous
available
process
variants
and
multiple
advantages
they
offer
compared
other
joining
techniques.
In
manufacturing
context,
where
devices
often
operate
extreme
conditions,
quality
of
welds
becomes
a
critical
factor
ensuring
safety
reliability
manufactured
products.
Additionally,
increasingly
stringent
design
specifications
demanded
by
customers
must
be
carefully
considered.
To
address
these
needs
define
optimal
roadmap
investigated
condition,
an
experimental
investigation
was
conducted
on
Submerged
Arc
process.
The
trials
involved
butt
joints
ASTM
A516
Gr.70
carbon
steel
plates
with
different
thicknesses
flat
position,
utilizing
U-shaped
chamfer
multi-pass
welding
technique.
For
each
weldment,
effects
main
parameters
qualitative
characteristics
products
evaluated
metallurgical
perspective.
evaluation
included
in-depth
metallographic
analysis,
measured
dimensions
heat-affected
zones
amount
ferrite
perlite
final
joint
microstructure.
Furthermore,
assessed
regard
strength
through
hardness
measurements.
By
analysing
data,
paper
provides
valuable
contribution
increasing
productivity
process,
while
simultaneously
meeting
specified
requirements
made
medium-thickness
steels.
Zeitschrift für Naturforschung A,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 25, 2024
Abstract
This
study
investigated
the
impact
of
incorporating
a
CrFeNiTiZn
High
Entropy
Alloy
(HEA)
into
A356
aluminum
matrix
through
friction
stir
processing
(FSP)
technique.
The
HEA,
renowned
for
its
compositional
complexity
and
high-performance
potential,
was
incorporated
alloy
with
different
weight
percent
combinations
to
enhance
mechanical
tribological
characteristics.
results
revealed
refined
microstructure
characterized
by
solid
solution
phases
potential
intermetallic
compound
formation
due
HEA
addition
A356/2
%Cr2
%Fe2
%Ni2
%Ti2
%Zn
composition.
Strong
interfacial
bond
strength
also
observed
among
reinforcement
particles
number
grains
found
be
about
1820.34
(average
grain
size
is
686
µm)
processed
composite
FSP
per
square
inch
at
500
magnifications.
exhibited
improved
tensile
(35.70
%)
hardness
(63.33
after
2
alloy,
attributed
strengthening
effect
particles.
Furthermore,
wear
resistance
notably
enhanced,
likely
synergistic
effects
HEA’s
inherent
modified
microstructure.
