Vibration Damping and Toughness Evaluations of CFRP Laminates with Smart Units Using Viscoelastic and Piezoelectric Films
| Project/Area Number |
22656056
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Single-year Grants |
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| Research Field |
Dynamics/Control
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| Research Institution | Chiba Institute of Technology |
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Principal Investigator |
SUZUKI Kohji 千葉工業大学, 工学部, 教授 (70322427)
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| Project Period (FY) |
2010 – 2012
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| Project Status |
Completed (Fiscal Year 2012)
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| Budget Amount *help |
¥3,560,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2012: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2011: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2010: ¥2,000,000 (Direct Cost: ¥2,000,000)
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| Keywords | ダンピング / 耐損傷設計 / 粘弾性 / 圧電フィルム / 複合材料 / CFRP / FEM / 炭素繊維強化プラスチック / 圧電材料 / 振動減衰 / 衝撃損傷 / 実験モード解析 / FEM解析 / FRP / 落垂衝撃特性 |
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| Research Abstract |
In this study, improvement mechanism of vibration damping and toughness of CFRP laminates with so-called smart units using visoelastic and piezoelectric films were investigated in detail by using FEM numerical analysis mainly with the aid of the modal strain energy approach. In addition, actual CFRP laminates with damping sheets inserted between the plies were prepared and then impact hammering and drop weight tests were carried out to the specimens, which certainly showed feasibility for experimentally evaluating a validity of the present laminated structural technology.
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Report
(4 results)
Research Products
(12 results)
