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Proceedings Paper

Slow thermodeformation of metals with fast laser heating
Author(s): Yu. A. Baloshin; V. I. Yurevich; Yuri V. Sud'enkov
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Paper Abstract

It has been found that the thermodeformation rise time considerably exceeds the exciting laser pulse duration when the latter is shorter than 10-6-10-5 s that has been phenomenologically described when presenting metal as a viscoelastic medium. The effect of heat-insulated defects of the metal surface layer is considered as the most probable cause of thermoelastic response inertia. A brief analysis of the application of surface thermodeformation (STD) parameters to optical elements characterization and nondestructive testing (NDT) is presented.

Paper Details

Date Published: 1 December 1991
PDF: 7 pages
Proc. SPIE 1440, Optical Radiation Interaction with Matter, (1 December 1991); doi: 10.1117/12.48136
Show Author Affiliations
Yu. A. Baloshin, Leningrad Institute of Fine Mechanics and Optics (Russia)
V. I. Yurevich, Leningrad Institute of Fine Mechanics and Optics (Russia)
Yuri V. Sud'enkov, Leningrad Univ. (Russia)

Published in SPIE Proceedings Vol. 1440:
Optical Radiation Interaction with Matter

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