書誌事項
- タイトル別名
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- Suppression of Delamination Crack Propagation in Laminated Composites by Using Thin SMA Plates
- ケイジョウ キオク ゴウキン アクチュエータ ニ ヨル セキソウ フクゴウ ザイリョウ ノ ソウ カン ハクリ キレツ シンテン ノ ヨクシ
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説明
The use of thin actuator plates bonded to surfaces of laminated composites to suppress the growth of delamination cracks is investigated. A composite beam analysis was performed to estimate the effect of actuation strains on the strain energy release rate of delamination cracks. When compared at the same value of actuation strain, the increase in the apparent crack growth resistance is larger for smaller FRP thickness and for smaller value of the critical strain energy release rate of FRP without actuators, Gcr, under both mode I and II loadings. Mode I delamination suppression tests of unidirectional CFRP laminates were conducted by using thin SMA actuators. The value of the apparent crack growth resistance, Glapp, under actuation strains of about 0.1% was 2.5 times larger than fracture toughness of CFRP and was also about 1.5 times as large as that just before actuation.
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 71 (706), 905-912, 2005
一般社団法人 日本機械学会
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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
- 1390282679455834496
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- NII論文ID
- 110004999027
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- NII書誌ID
- AN0018742X
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- COI
- 1:CAS:528:DC%2BD2MXhtVWnu7fM
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- ISSN
- 18848338
- 03875008
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- NDL書誌ID
- 7410395
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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