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Heckel

Heckel is a surname of German origin. It may refer to individuals who bear the name or to scientific concepts named after a person with the surname.

Notable people with the name include Erich Heckel (1883–1970), a German painter and printmaker who was a

The Heckel equation is a model used in powder metallurgy to describe densification of powders during cold

founder
of
the
Die
Brücke,
an
important
early
20th-century
expressionist
movement.
He
is
the
most
widely
recognized
bearer
of
the
name
in
the
arts;
other
individuals
with
the
surname
work
in
various
fields
such
as
science,
academia,
and
industry,
though
they
may
be
less
well
known.
compaction.
It
expresses
a
relationship
between
the
relative
density
D
of
a
compact
and
the
applied
pressure
P.
In
its
common
form,
ln(1/(1−D))
=
kP
+
A,
where
D
is
the
relative
density,
P
is
the
applied
pressure,
and
k
and
A
are
material
constants.
The
slope
k
is
interpreted
as
a
measure
of
plasticity
and
compressibility,
while
A
relates
to
the
initial
porosity.
The
model
is
widely
used
to
analyze
pressing
behavior
and
to
estimate
achievable
densities,
but
it
assumes
uniform
deformation
and
may
be
less
accurate
at
very
high
pressures
or
with
complex
tooling.