書誌事項
- タイトル別名
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- Effect of Electrode Position on Detection of Delamination of CFRP by Electrical Potential Method.
- デンキ ポテンシャルホウ オ モチイタ CFRP ソウカン ハクリ ケンシュツ
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抄録
Smart structures are appropriate approaches to obtain high reliability for structures made of CFRP. Electrical potential method for detection of damages does not bring strength reduction of CFRP structures. Authors have studied the effects of orthotropic electrical resistance on detection of delamination cracks, and have proposed a new approach for measurement of the electric resistance in the thickness direction by using FEM. In the present study, numerical analysis conducted in detail to investigate the effect of electrode positions on detection of delamination cracks by using the electric potential method. FEM analysis shows that construction of electrodes on 0°-ply surface is the best way to detect the delamination cracks from voltage changes between electrodes. Multiple cases of delamination size and position are calculated, and compared with each other. As a result, it is shown that the delamination cracks can be detected by using electric potential method, but the identification of the size and position of the delamination cracks is very difficult even if electric voltage changes are measured among 3 points. For the identification of the size and position, more information would be required.
収録刊行物
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- 日本複合材料学会誌
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日本複合材料学会誌 24 (5), 176-182, 1998
一般社団法人 日本複合材料学会
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詳細情報 詳細情報について
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- CRID
- 1390282679600196480
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- NII論文ID
- 10002465640
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- NII書誌ID
- AN00196748
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- ISSN
- 18848559
- 03852563
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- NDL書誌ID
- 4571781
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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
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- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可