書誌事項
- タイトル別名
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- Numerical Study of Effects of Inertia Force and Friction Applied to Cylindrical Specimens in Split Hopkinson Pressure Bar Technique
- ブンカツシキ ホプキンソンボウホウ ニ オケル ショウゲキ アッシュク シケンヘン ニ サヨウ スル カンセイリョク オヨビ マサツ ノ エイキョウ スウチ シミュレーション ニ ヨル ケントウ
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The split Hopkinson pressure bar technique has widely been used for impact testing of materials in the strain rate range from 10^2 to 10^4s^<-1>. However, some problems still remain in obtaining precise stress-strain curves of a sample. In these problems, a radial inertia and a friction during the impact test affect a determination of a size in the sample. In this paper, the theory on the basis of the energy conservation, for this technique proposed in the past is examined and some modifications derived from the radial momentum conservation are applied. Then, it is shown that the inertia and friction effects are coupled to each other. A computational simulation by using the commercial FEM code ABA-QUS/Explicit ver. 6.8 is conducted to check a validity of these modifications. Simulations are performed by changing a friction coefficient and a ratio between the diameter and height of the specimen.
収録刊行物
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- 日本機械学会論文集Ａ編
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日本機械学会論文集Ａ編 76 (772), 1596-1602, 2010
一般社団法人 日本機械学会
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詳細情報 詳細情報について
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- CRID
- 1390001204479186944
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- NII論文ID
- 110008143566
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- NII書誌ID
- AN0018742X
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- ISSN
- 18848338
- 03875008
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- NDL書誌ID
- 10955269
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可