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Iron Powder
for Metallurgy
Iron powders are used in many different industries for many
different applications. Following are some examples of the iron powder uses:
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Sintered Components
Metal powders open up new possibilities for
creative and cost-effective design solutions.
Almost 80% of global iron and steel powder production is converted into
sintered components. The manufacturing process involves the shaping of a
tailor-made powder formulation by pressure and heat (sintering).
Sintered components offer design freedom, almost 100% material
utilization and many other benefits. Over 40 million sintered components
are produced every day for use in numerous applications including
vehicles, power tools and white goods.
Our wide selection of iron-based powders, ranging from pure iron to tool
steels, ensures the right solution for each part and process.
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The automotive industry
is the main user of sintered components, which are common in transmission and
engine applications. It is in the automotive area that sintered components have
made the most spectacular advances. Many of the early parts for vehicles, such
as the bushings and bearings introduced in the 1960s were simple shapes.
Components of today can be made in highly complex designs and meet the
industry's demands for strength and tolerances.
A modern automobile contains on average 10 kg of sintered components, but there
are big variations depending on its origin. US automobiles tend to have far more
sintered components than those produced in Asia.
The use of sintered components is increasing outside the automotive sector, but
there is still a huge potential. Parts produced from powder serve special
functions
in power tools, white goods, appliances, air-conditioners, computers, lawn
movers, locks and pumps. These are just a few examples and the possibilities are
endless.
Soft Magnetic Composites
Soft Magnetic Composites (SMC) is the internationally recognized name
for pressed and heat-treated metal powder components with
three-dimensional (3D) magnetic properties. SMC materials are composed
of surface-insulated iron powder particles, that are compacted to form
uniform isotropic components with complex shapes in a single step. The
use of these materials now makes innovative electrical machine designs
industrially viable.
Somaloy® is our single brand in the SMC segment. Somaloy® is a complete
system of products that ensures the optimal material for different
electromagnetic applications.
Somaloy® makes it possible to design innovative, compact and powerful
electric motors. With Somaloy® it is possible for motor designers to
build an electric motor to suit its application – instead of restricting
the application to the motor’s limitations! The secret is the unique 3D
properties of the Somaloy® components. Using Somaloy® it becomes
possible to define a magnetic field in three dimensions – and create
improved or even entirely new machine concepts!
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Brazing
High temperature brazing is a joining process carried out under vacuum
or in a controlled (reducing) atmosphere with a brazing temperature
above 900°C. At brazing the brazing filler metal melts and is drawn by
capillarity while molten into the thin space between the base material
(not melted) that are to be joined. When cooled a strong and leak free
metallurgical bond is created.
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