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The Bower-Barff process is still used in some heritage railways to protect cast-iron fixtures from rust.
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The Bower-Barff process is still used in some heritage railways to protect cast-iron fixtures from rust.
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Related words
Bower-Barff process
Proper noun
(metalworking)
A
method
of
coating
iron
or
steel
with
magnetic
iron
oxide
in
order
to
minimize
atmospheric
corrosion.
The
articles
to
be
treated
are
put
into
a
closed
retort
and
a
current
of
superheated
steam
passed
through
for
a
period,
followed
by
a
current
of
producer
gas
(carbon
monoxide),
to
reduce
any
higher
oxides
that
may
have
been
formed.
Japanese Meaning
Bower-Barff processは、鉄や鋼の表面に磁性酸化鉄を被覆することで大気中の腐食を最小化する金属加工技術です。具体的には、処理対象物を密閉反応器内に配置し、一定期間超加熱蒸気を通した後、プロデューサーガス（一酸化炭素を主成分とする）を流すことで、既に形成された高次酸化物を還元する工程を含みます。
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