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- 小川 欽也
- スペース・ダイナミックス研究所
書誌事項
- タイトル別名
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- On the Effect of Mechanical Impedance Mismatch in the Split-Hopkinson Pressure Bar Method
- スプリット ・ ホプキンソンボウホウ ニ オケル インピーダンス ノ イチ コウサツ
この論文をさがす
説明
The effect of mechanical impedance of loading bars in the Split-Hopkinson pressure bar testing system is numerically clarified based on the one-dimensional elastic stress wave theory. Uniformity of the stress distribution in a specimen depends on difference of mechanical impedances between the loading bars and the specimen. From a practical point of view, almost uniform stress distribution in the specimen is obtained after several reverberations of stress waves even in the case of the high mechanical impedance loading bars. Applying ramp incident wave is a useful method to realize uniform stress distribution at relatively low stress level and consequently, it is available to high strain rate deformation. For soft materials with low mechanical impedance a flanged loading bar system is proposed to measure the flow stress accurately under a uniform stress distribution in the specimen. The effect of mechanical impedance of loading bar on the strain rate is also discussed.
収録刊行物
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- 実験力学
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実験力学 13 (3), 244-249, 2013
日本実験力学会
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キーワード
詳細情報 詳細情報について
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- CRID
- 1390282680167566848
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- NII論文ID
- 10031201815
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- NII書誌ID
- AA11822914
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- ISSN
- 18844219
- 13464930
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- NDL書誌ID
- 024933059
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可