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Issue No:3, Vol.3 |
March - 2010 |
ISSN: 0974-5645 |
| RESEARCH ARTICLES |
Viewers & PDF |
| 3. Surface integrity determination of aluminum plates using laser-generated Lamb waves. .T. Pramila, Rashmi Shukla, N.N. Kishore and V.Raghuram (2010) Indian J.Sci.Technol. Vol. 3, Issue 3, pp: 231-234. Domain site: http://www.indjst.org. |
 
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- Abstract
Laser based ultrasonics is an important method in non-destructive testing for material characterization and process
control. This paper describes the generation and characterization of Lamb waves in a thin aluminum plate-using laser
based ultrasonics. Nd: YAG laser is used for ultrasonic generation and He-Ne Laser Heterodyne Interferometer is used
for detection. Laser generation of Lamb waves leads to simultaneous generation of various frequency component as
well as multiple Lamb wave modes. The surface integrity of a thin aluminium plate is studied.
- Keywords: Lamb waves, Laser Generation, surface integrity
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