| NOUN | substance | pearlite | a lamellar mixture of cementite and ferrite formed during the cooling of austenite |
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| Meaning | A lamellar mixture of cementite and ferrite formed during the cooling of austenite; a constituent of steel and cast iron. | |
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| Narrower | granular pearlite, globular pearlite | If steel or iron cool very slowly the cementite may occur in globules instead of in layers |
| Broader | lamellar mixture | A mixture in which substances occur in distinct / distinct layers |
| Substance of | cast iron | An alloy of iron containing so much carbon that it is brittle / brittle and so cannot be wrought but must be shaped by casting |
| steel | An alloy of iron with small amounts of carbon | |
| Substances | cementite, iron carbide | A chemical compound that is a constituent of steel and cast iron |
| ferrite | A solid solution in which alpha iron is the solvent | |
| Spanish | perlita | |
| Catalan | perlita | |
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