cementite

American  

[si-men-tahyt] / sɪˈmɛn taɪt /

noun

Metallurgy.

1. an iron carbide, Fe 3 C, a constituent of steel and cast iron, sometimes with part of its iron replaced by another metal, as manganese.

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cementite British  

/ sɪˈmɛntaɪt /

noun

1. the hard brittle compound of iron and carbon that forms in carbon steels and some cast irons. Formula: Fe 3 C

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Etymology

Origin of cementite

First recorded in 1885–90; cement + -ite ¹

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Example Sentences

See Examples For:

cementite

From this combination, we are able to get a very strong ferrite matrix and a very hard tough cementite.

From The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel by Fred H. (Fred Herbert) Colvin

Pearlite is a definite conglomerate of ferrite and cementite containing about six parts of the former to one of the latter.

From The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel by Fred H. (Fred Herbert) Colvin

I think," said Hoddan, "that we can make an electronic field that'll soften the cementite between the crystals of steel, without heating up anything else.

From The Pirates of Ersatz by Kelly Freas

Subsequent cooling gives a coarse texture, or an arrangement of ferrite, cementite and pearlite grains which is greatly coarsened, reflecting the condition of the austenite crystals from which they were born.

From The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel by Fred H. (Fred Herbert) Colvin

As more and more carbon is contained in the alloy—for steel is a true alloy—it begins to appear as graphite, and its properties counteract the remaining brittle cementite.

From The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel by Fred H. (Fred Herbert) Colvin

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