单词 | nodulization |
释义 | nodulizationn. Metallurgy. The formation of nodules; spec. the process of converting finely divided iron ore into a nodular form. ΘΚΠ society > occupation and work > industry > working with specific materials > working with metal > [noun] > conversion of metals > of iron into steel > processes involved in overblow1705 recarburization1868 recarburizing1872 after-blow1879 overblowing1879 blow1881 fluid compression1884 pigging back1900 nodulizing1905 nodulization1915 1915 Chem. Abstr. 9 590 Nodulizing iron ores..by subjection first to a reducing flame at a temp. only slightly below that required for nodulization and then to an oxidizing flame which suddenly raises the temp. of the material above the nodulizing point. 1921 W. Gowland Metall. Non-ferrous Metals (ed. 3) 138 In the process of nodulization the proportion of sulphur has been reduced from 28 to 18 per cent. 1968 E. N. Simons Outl. Metall. iii. 34 Nodulization or spheroidization renders the iron stronger and more ductile. 1993 Physics Abstr. Apr. 3865/2 The absence of nodulization and sintering during heating is a result of the repulsion of the uniformly charged particles. This entry has been updated (OED Third Edition, December 2003; most recently modified version published online March 2022). < n.1915 |
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