Manufactured since 1986 by Technogénia
by means of a patented technique
known as cold crucible electromagnetic
levitation, this unique and innovative
Tungsten Carbide goes by the trade
name of "SPHEROTENE®".
Its main feature is its very fine
metallurgical structure known
as "tangled needles".
Sphérotène®
consists of spherical particles
of extreme hardness, between 3,000VH
and 4,000VH (VH = Vickers Hardness).
The exceptionally clean surface
of Sphérotène®
makes the derived products highly
weldable.
The spherical shaped particles
of Sphérotène®
have the advantage of giving maximum
compactness. This means that the
mean free path between the spheres
in the weld deposit is minimal.
Therefore, erosion of the softer
matrix is minimized.
These particles give deposits
a much improved resistance to
impact, compared to deposits made
up of jagged particles. The round
particles allow stress to pass
smoothly through the deposit ,wereas
sharp corners tend to concentrate
stress and lead to cracking.
Grains of jagged carbide subjected
to repeated shocks may contribute
to lead to fissuring through the
"corner effect". A Sphérotène®
deposit is not subject to the
“corner effect”.
Sphérotène® comes
in grain sizes ranging from 40 µ
to 2000 µ.
It is used for the various welding
products offered by Technogénia:
Range of Technosphère®
Technolase® Lasercladding
Powders
Wear parts made out of Technocasting®
It is also essential for users
of wear parts that are subjected
to extreme conditions of abrasion,
in particular the manufacturers
of drilling equipment.
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