sherardizing

sherardize

[sher-er-dahyz]
verb (used with object), sherardized, sherardizing. Metallurgy.
to coat (steel) with a thin cladding of zinc by heating in a mixture of sand and powdered zinc.
Also, especially British, sherardise.


Origin:
1900–05; after Sherard Cowper Coles (died 1936), English inventor; see -ize

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World English Dictionary
sherardize or sherardise (ˈʃɛrəˌdaɪz)
 
vb
metallurgy to coat (iron or steel) with zinc by heating in a container with zinc dust or (of iron or steel) to be coated in this way
 
[C20: process named after Sherard Cowper-Coles (died 1936), English inventor]
 
sherardise or sherardise
 
vb
 
[C20: process named after Sherard Cowper-Coles (died 1936), English inventor]
 
sherardi'zation or sherardise
 
n
 
sherardi'sation or sherardise
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Encyclopedia Britannica
Encyclopedia

sherardizing

means of forming a uniform, corrosion-resistant coating of zinc on the surface of iron or steel objects. The process, practiced since about 1900, is named for its English inventor Sherard O. Cowper-Coles. The object is heated in a sealed container with finely divided zinc to a temperature below the point at which zinc melts. The two metals amalgamate, forming alloys of zinc and iron and an external layer of pure zinc in an adherent coating that resists corrosion and also makes an excellent base for paint. Compare galvanizing.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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