| 单词 | titanium sponge |
| 释义 | > as lemmastitanium sponge titanium sponge n. a porous form of titanium obtained during the refining of titanium ore.Titanium sponge is a product of the Kroll process, in which titanium ore is converted to titanium tetrachloride and then reduced by magnesium or sodium. The resulting sponge is typically crushed, pressed, and melted, to form ingots. ΘΚΠ the world > matter > chemistry > elements and compounds > metals > specific elements > titanium > [noun] titanite1796 titanium1796 titan1806 menachin1818 titanium sponge1950 1950 Metal Industry Handbk. & Directory (ed. 39) i. 39/1 The resultant mixture of molten magnesium chloride, unused magnesium and titanium sponge is allowed to cool..and the product is bored out as chips. 1978 Jrnl. Royal Soc. Arts 126 679/1 The extraction method normally used now is to chlorinate rutile (TiO2), turning it into titanium tetrachloride (TiCl4) liquid, which is then reduced with magnesium or sodium to produce titanium sponge which can subsequently be melted and cast into ingots. 2010 Metals Week (Nexis) 1 Nov. 16 There are currently 18 companies producing titanium sponge, nine of which are in China, compared with just two plants a decade ago. < as lemmas |
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