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THE ULTRASONIC IMPULSE-RESPONSE OF UNIDIRECTIONAL CARBON-FIBER LAMINATES
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UNSPECIFIED (1994) THE ULTRASONIC IMPULSE-RESPONSE OF UNIDIRECTIONAL CARBON-FIBER LAMINATES. ULTRASONICS, 32 (5). pp. 347-357.
Research output not available from this repository, contact author.Abstract
The impulse response of undirectional carbon fibre reinforced polymer laminates has been determined, using a pulsed laser to generate the impulse and a broadband capacitance transducer to detect the normal component of surface motion. Waveforms were recorded at a series of positions along lines both parallel and perpendicular to the fibre axis. Velocity profiles of major arrivals have been determined, and shown to correspond to the expected group and phase velocities for the quasi and pure bulk-wave modes respectively. The elastic stiffness constants for the material have been calculated using measured phase velocity surfaces for pure modes and the reconstructed phase velocity surfaces obtained from measured group velocity data for quasi-modes.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) R Medicine |
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| Journal or Publication Title: | ULTRASONICS | ||||
| Publisher: | BUTTERWORTH-HEINEMANN LTD | ||||
| ISSN: | 0041-624X | ||||
| Official Date: | September 1994 | ||||
| Dates: |
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| Volume: | 32 | ||||
| Number: | 5 | ||||
| Number of Pages: | 11 | ||||
| Page Range: | pp. 347-357 | ||||
| Publication Status: | Published |
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