Evaluation of fiber-reinforced composites using noncontact laser air- transducer system
Wright, WMD and Hutchins, D.A. and Gachagan, Anthony and Hayward, Gordon; Thompson, Donald O. and Chimenti, Dale E., eds. (1995) Evaluation of fiber-reinforced composites using noncontact laser air- transducer system. In: Review of Progress in Quantitative Nondestructive Evaluation. Springer, pp. 1333-1340. ISBN 9781461358190 (https://doi.org/10.1007/978-1-4615-1987-4_170)
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Ultrasonic evaluation of materials using a non-contact system is sometimes desirable, for example when the material is moving too quickly to allow conventional fluid couplants to be used, is contained in a hostile environment, or the material itself is absorbent or toxic. In such situations, a pulsed laser is ideal for generating a variety of ultrasonic transients [1], as longitudinal, shear, surface (Rayleigh) waves and plate (Lamb) waves are generated simultaneously. Several types of non-contact detector are also available, including various optical devices [2] such as interferometers and beam deflectors. The disadvantages of an entirely laser based system are cost, and the optical quality of the test material must be reasonably high.
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Item type: Book Section ID code: 47670 Dates: DateEvent1995PublishedSubjects: Technology > Electrical engineering. Electronics Nuclear engineering
Science > Physics > Optics. LightDepartment: Faculty of Engineering > Electronic and Electrical Engineering
Technology and Innovation Centre > Sensors and Asset ManagementDepositing user: Pure Administrator Date deposited: 28 Apr 2014 11:55 Last modified: 08 Apr 2024 13:10 URI: https://strathprints.strath.ac.uk/id/eprint/47670