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Proceedings Paper

Laser treatment of high-chromium martensitic stainless steel: thermal and microstructural aspects
Author(s): Vladislav V. Antonov; Ilina Iordanova; S. Gurkovsky
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Paper Abstract

High chromium martensitic stainless steel has been surfacely treated by pulsed Nd:Glass laser. The temperature fields at the surface and in the bulk during the laser pulse and following cooling stage have been estimated with a numerical simulation. The modification of structure parameters has been analyzed by X-ray diffraction both in standard Bragg-Brentano and grazing incidence beam geometries. It has been found that the laser treatment modifies the surface parameters as follows: introduces residual macro-stresses, vacancies and dislocations, increases significantly (with 90%) Vickers micro-hardness at the surface and causes formation of a very thin oxide film.

Paper Details

Date Published: 4 November 2003
PDF: 5 pages
Proc. SPIE 5226, 12th International School on Quantum Electronics: Laser Physics and Applications, (4 November 2003); doi: 10.1117/12.519516
Show Author Affiliations
Vladislav V. Antonov, Sofia Univ. (Bulgaria)
Ilina Iordanova, Sofia Univ. (Bulgaria)
S. Gurkovsky, Sofia Univ. (Bulgaria)


Published in SPIE Proceedings Vol. 5226:
12th International School on Quantum Electronics: Laser Physics and Applications
Peter A. Atanasov; Alexander A. Serafetinides; Ivan N. Kolev, Editor(s)

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