<s>
Cold	B-Device
spray	I-Device
additive	I-Device
manufacturing	I-Device
(	O
CSAM	O
)	O
(	O
also	O
called	O
cold	O
spray	O
3D	O
printing	O
)	O
is	O
a	O
particular	O
application	O
of	O
cold	O
spraying	O
,	O
able	O
to	O
fabricate	O
freestanding	O
parts	O
or	O
to	O
build	O
features	O
on	O
existing	O
components	O
.	O
</s>
<s>
In	O
cold	O
spraying	O
,	O
the	O
principle	O
of	O
the	O
process	O
is	O
based	O
on	O
plastic	O
deformation	O
of	O
the	O
feedstock	O
powder	O
particles	O
,	O
therefore	O
it	O
is	O
suitable	O
to	O
deposit	O
with	O
this	O
technique	O
mainly	O
pure	O
metals	O
and	O
alloys	B-Application
,	O
but	O
also	O
metallic	O
glasses	O
,	O
metal	O
matrix	O
composites	O
and	O
in	O
some	O
cases	O
polymers	O
.	O
</s>
<s>
Propellant	O
tank	O
additive	O
manufacturing	O
,	O
exploiting	O
the	O
advantage	O
of	O
the	O
process	O
to	O
deposit	O
titanium	O
and	O
titanium	O
alloys	B-Application
without	O
melting	O
the	O
feedstock	O
material	O
.	O
</s>
<s>
The	O
Cold	B-Device
Spray	I-Device
Additive	I-Device
Manufacturing	I-Device
process	O
is	O
also	O
applied	O
for	O
additive	O
repair	O
of	O
gearboxes	B-Device
and	O
other	O
aircraft	O
components	O
.	O
</s>
<s>
The	O
most	O
significant	O
differences	O
between	O
the	O
Cold	B-Device
Spray	I-Device
Additive	I-Device
Manufacturing	I-Device
process	O
and	O
other	O
additive	O
manufacturing	O
processes	O
are	O
the	O
low	O
temperature	O
,	O
solid	O
state	O
of	O
the	O
process	O
,	O
avoiding	O
melting	O
the	O
feedstock	O
material	O
.	O
</s>
<s>
Capable	O
to	O
deposit	O
almost	O
all	O
metals	O
&	O
alloys	B-Application
.	O
</s>
