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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Iron–nickel alloy ： ウィキペディア英語版 Iron–nickel alloy An iron–nickel alloy or nickel–iron alloy, abbreviated FeNi or NiFe, is a group of alloys that mostly consist of the elements nickel (Ni) and iron (Fe). It is the main constituent of the "iron" planetary cores and "iron" meteorite. The acronym NiFe is used to refer to various chemical reactions that involve an iron–nickel catalyst or component, or in geology, to refer to the general composition of planetary cores (including Earth's). Some iron–nickel alloys are also called nickel steel and usually contain other additional elements, depending on the purposes they are designed for. ==Astronomy and geology== Iron and nickel are notable for being the final elements produced by stellar nucleosynthesis, and thus the heaviest elements that do not require a supernova or similarly cataclysmic event for formation. Iron and nickel are therefore the most abundant metals in metallic meteorites〔Mason, Brian Harold (1971) ''Handbook of Elemental Abundances in Meteorites'' Gordon and Breach, New York, ISBN 0-677-14950-6〕 and in the dense metal cores of planets such as Earth. Nickel–iron alloys occur naturally on Earth as telluric or meteoric iron. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Iron–nickel alloy」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.