Slow thermodeformation of metals with fast laser heating

Yu. A. Baloshin; V. I. Yurevich; Yuri V. Sud'enkov

doi:10.1117/12.48136

1 December 1991 Slow thermodeformation of metals with fast laser heating

Yu. A. Baloshin, V. I. Yurevich, Yuri V. Sud'enkov

Proceedings Volume 1440, Optical Radiation Interaction with Matter; (1991) https://doi.org/10.1117/12.48136
Event: Optical Radiation Interaction with Matter, 1990, Leningrad, Russian Federation

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.

Citation Download Citation

Yu. A. Baloshin, V. I. Yurevich, and Yuri V. Sud'enkov "Slow thermodeformation of metals with fast laser heating", Proc. SPIE 1440, Optical Radiation Interaction with Matter, (1 December 1991); https://doi.org/10.1117/12.48136

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