The effect of preliminary γ-irradiation on accelerating the speed of laser ablation of a polyamide is measured for the first time. A linear increase of intensity with a rate of 0.15 mg/s is observed during laser ablation of the polyamide pre-irradiated with γ-rays at a dose of 3,500 kGy. A γ-radiolysis dose of 10 – 20 kGy causes extreme changes in the molecular-topological parameters and the maximum level of growth of the rate of laser ablation. Thus pre-irradiation with γ-rays may be used to optimize the laser ablation of the polymer.
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Frolov, I.A., Allayarov, S.R., Kalinin, L.A. et al. Impact of γ-Irradiation on the Kinetics of Laser Ablation of Polyamide Under Continuous CO2 Laser Beam. J Russ Laser Res 39, 98–103 (2018). https://doi.org/10.1007/s10946-018-9695-3
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DOI: https://doi.org/10.1007/s10946-018-9695-3