Strain test and analysis of composite laminated plate under laser irradiation

zhu kai; long lianchun; chen ming; liu shibing

Volume 23 Issue 12

Feb. 2016

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Article Navigation > High Power Laser and Particle Beams > 2011 > 23(12): 22-23

liu xuan, zhou wei-min, zhao li-jie, et al. Molecular dynamics simulation of ultrashort laser induced back-surface spallation in metallic film[J]. High Power Laser and Particle Beams, 2006, 18.

Citation:

zhu kai, long lianchun, chen ming, et al. Strain test and analysis of composite laminated plate under laser irradiation[J]. High Power Laser and Particle Beams, 2011, 23: 22-23.

liu xuan, zhou wei-min, zhao li-jie, et al. Molecular dynamics simulation of ultrashort laser induced back-surface spallation in metallic film[J]. High Power Laser and Particle Beams, 2006, 18.

Citation:

zhu kai, long lianchun, chen ming, et al. Strain test and analysis of composite laminated plate under laser irradiation[J]. High Power Laser and Particle Beams, 2011, 23: 22-23.

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Strain test and analysis of composite laminated plate under laser irradiation

1.
College of Mechanical Engineering and Applied Electronics Technology,Beijing University of Technology,Beijing 100124,China;
2.
Institute of Laser Engineering,Beijing University of Technology,Beijing 100124,China

Publish Date: 2011-12-14

Abstract

Abstract

The change in strain of T300/AG80 carbon fiber composite laminated plates were tested under laser irradiation. The strain in three directions of 0,45 and 90 of the samples under laser beams with various radii were recorded by the dynamic strain testing apparatus. With the effects of temperature eliminated, the presented data show that, the strain decreases with the increase of the distance to the center of laser spot. After the laminates are irradiated for 5 seconds, the maximum strain is found in the direction of 90 and is at least 1.5 times larger than the minimum strain in the direction of 0. The thermal stress at every point decreases as the distance to the spot center increases. The experiment process was simulated with finite element analysis softwa
- composite material,
- laser beam irradiation,
- strain measurement,
- thermal strain,
- relative error

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