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1. A mixture of ferrite and cementite forming distinct layers or bands in slowly cooled carbon steels.
2. Variant of perlite.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. (Metallurgy) the lamellar structure in carbon steels and some cast irons that consists of alternate plates of pure iron and iron carbide
2. (Minerals) a variant spelling of perlite
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
1. a microscopic lamellar structure found in iron or steel, composed of alternating layers of ferrite and cementite.
pearl•it′ic (-ˈlɪt ɪk) adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||pearlite - a lamellar mixture of cementite and ferrite formed during the cooling of austenite; a constituent of steel and cast iron|
cast iron - an alloy of iron containing so much carbon that it is brittle and so cannot be wrought but must be shaped by casting
steel - an alloy of iron with small amounts of carbon; widely used in construction; mechanical properties can be varied over a wide range
cementite, iron carbide - a chemical compound that is a constituent of steel and cast iron; very hard and brittle
ferrite - a solid solution in which alpha iron is the solvent
globular pearlite, granular pearlite - if steel or iron cool very slowly the cementite may occur in globules instead of in layers
lamellar mixture - a mixture in which substances occur in distinct layers
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