ledeburite
Sign in to savethumb|right|250px|Iron-carbon phase diagram, showing the iron-carbon phase diagram (near the lower left). In iron and steel metallurgy, ledeburite is a mixture of 4.3% carbon in iron and is a eutectic mixture of austenite and cementite. Ledeburite is not a type of steel as the carbon level is too high although it may occur as a separate constituent in some high carbon steels. It is mostly found with cementite or pearlite in a range of cast irons.
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- Origins and discovery
- Significance in metallurgical studies
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thumb|right|250px|Iron-carbon phase diagram, showing the iron-carbon phase diagram (near the lower left). In iron and steel metallurgy, ledeburite is a mixture of 4.3% carbon in iron and is a eutectic mixture of austenite and cementite. Ledeburite is not a type of steel as the carbon level is too high although it may occur as a separate constituent in some high carbon steels. It is mostly found with cementite or pearlite in a range of cast irons.
It is named after the metallurgist Karl Heinrich Adolf Ledebur (1837–1906). He was the first professor of metallurgy at the Bergakademie Freiberg and discovered ledeburite in 1882.
Excerpted from Wikipedia’s “ledeburite” article, available under the CC BY-SA 4.0 licence.