Nonlinear Ultrasonic Damage Response to Excitation Strength and Position

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概要

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• A laminated carbon-fibre reinforced divinylcell plate is tested by a nonlinear ultrasonic technique for damage positioning. A high-frequency air-coupled transducer plate is placed above the plate surface, and a low-frequency contact source is fixed at one end. The high-frequency wave field fulfills the open resonator criteria making it localized inside the plate. The nonlinear damage response position is obtained by moving the high-frequency source on either side, having fixed sensors on both plate sides. Further, the nonlinear damage response is measured to change approximately linear with increase in high-frequency, or low-frequency, amplitude.

• 社団法人電子情報通信学会の論文
• 2006-11-07

著者

• Haller Kristian

  Blekinge Institute Of Technology

• HEDBERG Claes

  Blekinge Institute of Technology

• Hedberg Claes

  Blekinge Inst. Tech Karlskrona

関連論文

• Nonlinear Ultrasonic Damage Response to Excitation Strength and Position
• H-1 Variation of High Power Air Transducer(Physical acoustics (English session))

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