Cementite

Cementite, also known as iron carbide, is a chemical compound of iron and carbon, with the formula Fe3C (or Fe2C:Fe). By weight, it is 6.67% carbon and 93.3% iron. It has an orthorhombic crystal structure. It is a hard, brittle material, normally classified as a ceramic in its pure form, though it is more important in metallurgy. ==Metallurgy== In...
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cementite

(from the article `iron processing`) ...carbon (the majority lying in the range of 0.01 to 1.2 percent), and cast irons with 2 to 4 percent carbon. At the carbon contents typical of ... ...steel, carbon is generally found in two forms. Either it is in solid solution in austenite and ferrite or it is found as a carbide. The carbide ... ...
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cementite

iron carbide noun the iron carbide constituent of steel and cast iron; very hard and brittle
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Cementite

A compound of iron and carbon commonly known as iron carbide and having the approximate chemical structure, Fe3C. Cementite is characterized by an orthorhombic crystal structure.
Found on http://www.encyclo.co.uk/local/22067

Cementite

A compound of iron and carbon, known chemically as iron carbide and having the approximatechemical formula Fe3C. It is characterized by an orthorhombic crystal structure. When it occurs as a phase insteel, the chemical composition will be altered by the presence of manganese and other carbide-forming elements.
Found on http://www.diracdelta.co.uk/science/source/c/e/cementite/source.html

cementite

A compound of iron and carbon, known chemically as iron carbide and having the approximate chemical formula Fe3C. It is characterized by an orthorhombic crystal structure. When it occurs as a phase in steel, the chemical composition will be altered by the presence of manganese and other carbide-forming elements.
Found on http://www.encyclo.co.uk/local/20742

cementite

A compound of iron and carbon, known chemically as iron carbide and having the approximate chemical formula Fe3C. It is characterized by an orthorhombic crystal structure. When it occurs as a phase in steel, the chemical composition will be altered by the presence of manganese and other carbide-forming elements
Found on http://www.encyclo.co.uk/local/21115

cementite

cementite 1. A hard brittle iron carbide found in steel with more than 0.85 percent carbon. 2. An iron carbide, or a constituent of steel and cast iron, sometimes with part of its iron replaced by another metal; such as, manganese. 3. A hard and brittle intermetallic compound that has negligible solubility limits.
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cementite

iron carbide (Fe3C).
Found on http://www.chemicalglossary.net/definition/318-Cementite

Cementite

iron carbide (Fe3C).
Found on http://www.encyclo.co.uk/local/20089

cementite

[n] - the iron carbide constituent of steel and cast iron
Found on http://www.webdictionary.co.uk/definition.php?query=cementite
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