Change of structural-and-phase composition under laser-ultrasonic hardening of tool steel

D. M. Gureev; D. O. Tchipanova

doi:10.1117/12.337517

20 January 1999 Change of structural-and-phase composition under laser-ultrasonic hardening of tool steel

D. M. Gureev, D. O. Tchipanova

Proceedings Volume 3688, 6th International Conference on Industrial Lasers and Laser Applications '98; (1999) https://doi.org/10.1117/12.337517
Event: 6th International Conference on Industrial Lasers and Laser Applications '98, 1998, Shatura, Moscow Region, Russian Federation

Abstract

The possibilities of laser-ultrasonic hardening of surface under checked change of its structural-and-phase composition and residual stresses level were experimentally determined. On high-chromic tool steel in its initial annealed condition it was shown that the harder and deeper zones of surface hardening are formed under the laser-ultrasonic influence. The plastic deformation of surface by the ultrasound influences noticeably the fullness of austenite formation process and hereunder allows to effectively check a strained condition of the surface in the laser influence zone.

Citation Download Citation

D. M. Gureev and D. O. Tchipanova "Change of structural-and-phase composition under laser-ultrasonic hardening of tool steel", Proc. SPIE 3688, 6th International Conference on Industrial Lasers and Laser Applications '98, (20 January 1999); https://doi.org/10.1117/12.337517

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