FIELD: physics.
SUBSTANCE: method for laser processing the cutting inserts made of oxide-carbide ceramic TiC+MgO+Al2O3, in which the surface of the cutting insert is subjected to the pulsed laser exposure, each pulse train forms a laser beam spot with a certain beam power on the sample with the laser beam spot overlapping ratio in the range of 0.1 to 0.9. Processing is carried out with a pulse repetition rate of 90 to 110 kHz, the number of pulses in the train is more than 60, and the beam power on the sample is of 7 to 8 W. Optimally, when the surface of the cutting insert is subjected to the pulsed laser exposure with the laser beam spot overlapping ratio in the range of 0.5 to 0.75.
EFFECT: increasing the durability of the cutting inserts.
2 cl, 9 dwg
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