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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 Split-Hopkinson pressure bar ： ウィキペディア英語版 Split-Hopkinson pressure bar The Split-Hopkinson pressure bar, named after Bertram Hopkinson, sometimes also called a Kolsky bar, is an apparatus for testing the dynamic stress-strain response of materials. ==History== The Hopkinson Pressure Bar was first suggested by Bertram Hopkinson in 1914〔B. Hopkinson, “A Method of Measuring the Pressure Produced in the Detonation of High Explosives or by the Impact of Bullets,” Philos. Trans. R. Soc. (London) A, 213, pp. 437-456, 1914. 〕 as a way to measure stress pulse propagation in a metal bar. Later, in 1949 H. Kolsky refined Hopkinson's technique by using two Hopkinson bars in series, now known as the split-Hopkinson bar, to measure stress and strain, incorporating advancements in the cathode ray oscilloscopes in conjunction with electrical condenser units to record the pressure wave propagation in the pressure bars as pioneered by RM Davies a year earlier in 1948.〔RM Davies, "A critical study of the Hopkinson Pressure Bar" Philos. Trans. R. Soc. (London) A, 240, pp375-457, 1948.〕 Later modifications have allowed for tensile, compression, and torsion testing. 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「Split-Hopkinson pressure bar」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.