出典:Wiktionary
出典:『Wiktionary』 (2026/01/22 05:46 UTC 版)
cementite (countable and uncountable, plural cementites)
出典:Wikipedia
出典:『Wikipedia』 (2011/06/16 16:01 UTC 版)
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.
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