Last Updated :2025/11/29

Bower-Barff process

Proper noun
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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密閉炉に品物を入れて過熱蒸気を通し、その後製造ガスで高い酸化物を還元して鉄や鋼を磁性酸化鉄で被覆するという方法は、遺産鉄道の一部で今も鋳鉄の金具を錆から守るために用いられています。

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(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.

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Bower-Barff process

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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