technical. Of cast iron: Rapidly cooled, and so hardened. Cf. chill, v. 6.
单词 | θ216534 |
释义 | society > occupation and work > materials > derived or manufactured material > metal > iron > [adjective] > made of cast iron > types of cast iron (5) chilled1831 technical. Of cast iron: Rapidly cooled, and so hardened. Cf. chill, v. 6. black heart1872 Metallurgy. A type of malleable cast iron containing nodules of graphite in a ferrite matrix. Contrasted with white heart. Frequently attributive. white-heart1911 Originally U.S. Metallurgy. Designating a type of malleable cast iron from which carbon has been removed by annealing at a high temperature in… spheroidal1920 Metallurgy. = nodular, adj. 3. nodular1947 Metallurgy. Of cast iron: containing all the graphite in the form of small spheroids rather than flakes, which results in increased strength and… |
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