Last Updated：2025/11/29
Sentence
この表面浸炭と急冷による硬化法は、低炭素鋼の表面に木炭などの炭素を多く含む燃料を盛り、長時間にわたり高圧下で非常に高温に加熱してから激しく急冷することで、裏側の軟らかい鋼へと段階的に硬さが減少する厚い極めて硬い表面層を作り出します。
Quizzes for review
The Harvey process creates a thick, extremely hard face on low-carbon steel by heaping charcoal or another carbon-rich fuel on the surface, heating it at very high temperature under high pressure for a prolonged period, and then violently quenching it.
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The Harvey process creates a thick, extremely hard face on low-carbon steel by heaping charcoal or another carbon-rich fuel on the surface, heating it at very high temperature under high pressure for a prolonged period, and then violently quenching it.
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Related words
Harvey process
Proper noun
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.
Japanese Meaning
ハーベイプロセス：低炭素鋼の表面に固体炭素（例：木炭）を多量に加え、非常に高温・高圧状態で長時間加熱した後、急激な冷却（例：冷水噴霧）を施して、鋼の表面に極めて硬い層を形成する表面硬化処理工程。 / 鋼の表面において、硬度の高い層を作り出すために、炭素の追加付加・加熱・急冷を組み合わせた特殊な熱処理法。
English - English
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