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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 Coring ： ウィキペディア英語版 Coring Coring happens when a heated alloy, such as a Cu-Ni system, cools in non-equilibrium conditions. This causes the exterior of the material to solidify before the interior. Coring causes the centers of the grains to retain more of the higher melting temperature element. In this case, the dendrite arms formed from the exterior have a different composition than the alloy in the inner regions, resulting in a local compositional difference. It does not have good performance. Coring is predominantly observed in alloys having a marked difference between liquidus and solidus temperatures. It is often being removed by subsequent annealing and/or hot-working. It is exploited in zone-refining techniques to produce high purity metals. ==References== * Beddoes, J. and Bibby, M.J. ''Principles of Metal Manufacturing Processes''. Elsevier Butterworth-Heinemann, 1999. ISBN 0-340-73162-1 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「Coring」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.