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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 Alite ： ウィキペディア英語版 Alite Alite is a name for tricalcium silicate, Ca3SiO5, sometimes formulated as 3CaO·SiO2 (C3S in cement chemist notation, CCN). It is the major, and characteristic, mineral phase in Portland cement. The name was given by Törneborn in 1897 to a crystal identified in microscopic investigation of Portland cement.〔 Jean-Pierre Bournazel, Yves Malier, Micheline Moranville Regourd (1998) ''Concrete, from material to structure. '' RILEM Publications, ISBN 2-912143-04-7.〕 Alite is a name in common use in the cement industry, although it is not a recognised mineral name. ==Composition and structure== The alite found in Portland cement differs in composition from simple tricalcium silicate. It is a solid solution and contains minor amounts of other oxides besides CaO and SiO2. A typical composition〔Taylor H.F.W (1990) ''Cement Chemistry''. Academic Press, ISBN 0-12-683900-X, pp. 10-11〕 is: Based on this, the formula can be expressed as Ca2.90Mg0.06Na0.01Fe0.03Al0.04Si0.95P0.01O5. In practice, the composition varies with the bulk composition of the clinker, subject to certain limits. Substitution of calcium ions or orthosilicate ions requires that electric charges be kept in balance. For instance, a limited number of orthosilicate (SiO44−) ions can be replaced with sulfate (SO42−) ions, provided that for each sulfate ion, two aluminate (AlO45−) ions are also substituted. 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「Alite」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.