Any alloy of nickel and iron, esp. one occurring naturally in a meteorite. Cf. Nife, n.
| 单词 | θ216678 |
| 释义 | society > occupation and work > materials > derived or manufactured material > metal > alloy > [noun] > iron and nickel (8) nickel-iron1867 Any alloy of nickel and iron, esp. one occurring naturally in a meteorite. Cf. Nife, n. Invar1902 The proprietary name of an alloy of iron or steel (about 64%) and nickel (about 36%), which has a very small coefficient of expansion. platinite1905 Metallurgy. Also with capital initial. An alloy of iron and nickel which has the same coefficient of expansion as platinum, used to make… Nife1909 Geology. Nickel-iron; spec. the earth's core or the material composing it. elinvar1921 Any of a series of alloys, consisting typically of iron and nickel with some chromium, which have a constant modulus of elasticity over a wide… permalloy1923 Any of a series of alloys consisting chiefly of nickel and iron which have very high magnetic permeability and are widely used in electrical… perminvar1928 Any of a series of alloys containing nickel, iron, and cobalt which have an approximately constant magnetic permeability over a range of field… radiometal1932 Also with capital initial. Any of a group of alloys consisting largely of nickel and iron (typically between 35 and 48 per cent nickel), noted for… |
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