INCREASING PHYSICAL-MECHANICAL PROPERTIES OF TOOL AND STRUCTURAL STEELS BY VOLUMETRIC PULSED LASER HARDENING

摘要

FIELD: machine building.SUBSTANCE: article is processed by pulse laser with efficient pulse energy of 60-500 J, pulse power density of 1.2·10-4.3·10W/m, wavelength of 1.064·10m, pulse duration of 0.8·10s, beam diameter of 1.2·10-2.5·10m and distance fro irradiated point to surface being hardened of 12-30 mm.EFFECT: higher physical-mechanical properties.7 dwg