| 单词 | cup-and-cone |
| 释义 | > as lemmascup-and-cone cup-and-cone n. (a) see quot. 1881; (b) Metallurgy designating a fracture in which one surface of the metal consists of a raised rim enclosing a flat central portion into which the other surface fits. ΘΚΠ society > occupation and work > materials > derived or manufactured material > metal > qualities of metals > [adjective] > type of imperfection eager1579 blown1872 cup-and-cone1881 cuppy1925 1881 Trans. Amer. Inst. Mining Engineers 1880–1 9 125 Cup-and-cone. A machine for charging a shaft-furnace, consisting of an iron hopper with a large central opening, which is closed by a cone or bell, pulled up into it from below. 1925 A. T. Adam Wire-drawing x. 197 ‘Cuppy’ wire—i.e. wire which breaks either in drawing or in bending with a very distinct ‘cup and cone’ fracture. 1967 A. K. Osborne Encycl. Iron & Steel Industry (ed. 2) 99/2 Cup-and-cone... A type of fracture occurring in tensile test pieces from steels possessing reasonable ductility, and containing no local abnormality where the necking occurs. < as lemmas |
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