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硅铁 guītiě
busin. ferro-silicon
met. ferrosilicium; silicoferrite; siliconeisen (5~15Si); silicon iron; ferrosilicon (【技】由铁和硅元素组成的铁合金。以碳素钢屑、石英、硅石、石英砂等为原料,并加人碳质还原剂在电炉中冶炼而成。硅铁外表呈亮灰色,含硅量越高密度越小。含硅量为75%的硅铁强度高,不宜破碎和粉化,便于运输,故产量大,但生产时耗电量大。硅铁主要作为炼钢的脱氧剂和合金添加剂。硅在钢中有强烈的固溶强化作用,大大提高钢的强度、硬度和弹性极限,是弹簧钢、合金结构钢、工具钢以及硅钢片等重要的合金元素。由于硅可阻止碳化物形成,促进石墨析出和球化,故硅铁作为重要的孕育剂和石墨球化剂用于球墨铸铁生产。: Ferrosilicon is a master alloy of iron and silicon with a minimum silicon content of 8,0 % by mass, and a maximum silicon content of 95,0 % by mass, obtained by reduction. 硅铁是通过还原而获得的由铁和硅组成的中间合金。其中硅的质量含量最低为8.0%,最高为95.0%。)
nautic., tech. ferrosilicon (UN 1408)
oil ferrosilicon
space duriron
tech. ferro-silicium; ferro-silicon (合金); ferrous silicon
gen. tantiron
硅铁合金 guītiě
chem. ferro-silicon alloy
el. ferrosilicon
硅铁体,固溶体 guītiě
gen. silicoferrite
硅铁中间合金;25~95Si, 低P,低S guītiě
met. ferrosilicon
硅铁: 428 phrases in 24 subjects
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