検索結果- 英語 - 英語
検索内容:
Harvey process
name
A
process
for
hardening
the
face
of
steel,
involving
the
additional
carburizing
of
the
face
of
a
piece
of
low-carbon
steel
by
heaping
a
solid
carbon-rich
fuel
(such
as
charcoal)
on
the
face
of
the
steel
and
then
subjecting
this
to
very
high
heat
at
high
pressure
for
a
prolonged
period
of
time,
followed
by
a
violent
chilling,
as
by
a
spray
of
cold
water.
This
results
in
a
thick
surface
of
extreme
hardness
supported
by
material
gradually
decreasing
in
hardness
to
the
unaltered
soft
steel
at
the
back.
barrel process
name
basic process
name
Oslo process
patio process
loading!
Loading...