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Brief Communications

Estimation of elastic stress in the near-surface layers of solid objects caused by thermoelastic deformations under absorption of nonstationary laser radiation

K. L. Muratikov

Ioffe Institute, St. Petersburg

Abstract: Analytical expressions for the calculation of radial and tangential components of the elastic stress tensor that are generated by the nonstationary laser radiation in the near-surface layers of solid objects are derived in the framework of a 3D model and quasi-static approximation. The components of the stress tensor are analyzed in the systems with strong and weak focusing of laser radiation on the surface of the object.

Received: 10.04.2013

 English version: Technical Physics, 2013, 58:12, 1859–1862

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