单词	deoxidize
释义	deoxidize /diːˈɒksɪdʌɪz / (also deoxidise) verb [with object] Remove combined oxygen from (a substance, usually a metal): the melt is deoxidized with ferrosilicon or aluminium... A second limey slag is used to remove sulphur and to deoxidise the metal in the furnace. Aluminum, on the other hand, not only deoxidizes the steel, but also refines the grain size. When the molten metal reaches 1260 o C, either calcium boride or lithium should be plunged into the molten bath to deoxidize the melt. Derivatives deoxidation /diːˌɒksɪˈdeɪʃ(ə)n / noun ... In a vacuum furnace, carbon is an excellent deoxidizer, and the deoxidation product, carbon monoxide gas, is continuously removed under vacuum. In some foundries in which combustion cannot be properly controlled, oxidizing fluxes are added during melting, followed by final deoxidation by phosphor copper. Carbon steel can be classified, according to various deoxidation practices, as rimmed, capped, semi-killed, or killed steel. deoxidizer noun ... In a vacuum furnace, carbon is an excellent deoxidizer, and the deoxidation product, carbon monoxide gas, is continuously removed under vacuum. In tin bronze, phosphorus has traditionally been the deoxidizer, hence the name ‘phosphor bronzes’ for these alloys. Most commercial steels contain about 0.5% manganese to serve as a deoxidizer and to tie up sulfur as manganese sulfide, thereby preventing the occurrence of hot-cracking.
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