Impact of γ-Irradiation on the Kinetics of Laser Ablation of Polyamide Under Continuous CO2 Laser Beam

被引:4
|
作者
Frolov, I. A. [1 ]
Allayarov, S. R. [1 ]
Kalinin, L. A. [2 ]
Dixon, D. A. [3 ]
Tolstopyatov, E. M. [2 ]
Grakovich, P. N. [2 ]
Ivanov, L. F. [2 ]
机构
[1] Russian Acad Sci, Inst Problems Chem Phys, Chernogolovka 142432, Moscow Region, Russia
[2] Natl Acad Sci Belarus, VA Belyi Met Polymer Res Inst, Gomel 246050, BELARUS
[3] Univ Alabama, Dept Chem, Box 870336, Tuscaloosa, AL 35487 USA
关键词
polyamide; preliminary gamma-irradiation; laser ablation; continuous CO2 laser; POLYIMIDE; POLYTETRAFLUOROETHYLENE; COPOLYMER; BEHAVIOR; SURFACE;
D O I
10.1007/s10946-018-9695-3
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The effect of preliminary gamma-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 gamma-rays at a dose of 3,500 kGy. A gamma-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 gamma-rays may be used to optimize the laser ablation of the polymer.
引用
收藏
页码:98 / 103
页数:6
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