Metallurgy. An alloy of iron and manganese, esp. one used in steel-making. Cf. manganeisen, n.
| 单词 | θ216676 |
| 释义 | society > occupation and work > materials > derived or manufactured material > metal > alloy > [noun] > iron alloys (6) ferromanganese1864 Metallurgy. An alloy of iron and manganese, esp. one used in steel-making. Cf. manganeisen, n. manganeisen1881 An alloy of iron containing manganese. ferro-alloy1888 an alloy of iron with one or more other elements, typically a metal; esp. such an alloy used as an additive to modify the composition of steel. silico-manganese1895 a ferro-alloy containing relatively high proportions of manganese and silicon, spec. one containing 65 to 70 per cent manganese and 12 to 25 per… Mumetal1924 Any of a series of nickel-iron alloys containing approximately 75–78 per cent nickel, 4–6 per cent copper, and 1½–2 per cent chromium by weight… Subcategories:— constituent of (1) |
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