| 单词 | grey iron |
| 释义 | > as lemmasgrey iron grey iron n. (more fully grey cast iron) cast iron that has a grey fracture and contains most of its carbon in the form of flakes of graphite. ΘΚΠ society > occupation and work > materials > derived or manufactured material > metal > iron > [noun] > type of iron > cast iron > other types of cast iron grey iron1665 white iron1665 run metal1741 white cast iron1792 mottled iron1836 tender-floss1839 pot metal1854 semi-steel1858 silicon iron1878 white-heart1911 white-heart1928 1665 D. Dudley Mettallum Martis sig. D The Gray Iron..is most fined, and more sufficient to make Bar-Iron with, and tough Iron to make Ordnance, or any Cast Vessels, being it is..more malliable and tough, then the other two sorts. 1795 Philos. Trans. (Royal Soc.) 85 343 Varieties..differently named by artizans, namely..pig, or sow iron; blue, gray, white cast iron;—soft iron; tough iron; brittle iron; hard iron. 1802 Philos. Mag. 12 28 By increasing the dose of carbon you increase the fusibility, and it passes at length into the state of gray cast iron. 1911 Daily Colonist (Victoria, Brit. Columbia) 28 Apr. 1/6 Fire..destroyed the blacksmith and forging shop, the machine shops and the Grey iron and brass founders. 1967 Times Rev. Industry Mar. 76/1 High production costs amounting to over £98 per ton of grey cast iron. 2001 J. R. Davis Alloying 26 Sulfur levels in gray iron are very important and to some extent have been an area of technical controversy. < as lemmas |
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