Difference between revisions of "Bower-Barff"
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== Description == | == Description == | ||
| − | A mid-19th century process producing a thin, non-corrosive coating of black magnetic [ | + | A mid-19th century process producing a thin, non-corrosive coating of black magnetic [[black%20iron%20oxide|iron oxide]] on article of [[iron]] and [[steel]]. The Bower-Barff process used high heat (1600 F) in a closed container to first oxidize a thin coating of red [[ferric oxide]] (Fe2O3) then later reduce it to black magnetic oxide (Fe3O4). |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
Revision as of 11:51, 9 January 2014
Description
A mid-19th century process producing a thin, non-corrosive coating of black magnetic iron oxide on article of Iron and Steel. The Bower-Barff process used high heat (1600 F) in a closed container to first oxidize a thin coating of red Ferric oxide (Fe2O3) then later reduce it to black magnetic oxide (Fe3O4).
Synonyms and Related Terms
barff
Authority
- Dictionary of Building Preservation, Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996
- Website address 1 Comment: The Free Dictionary at http://www.thefreedictionary.com/Bower-Barff+process