Abstract
A gas dynamic model of the laser-electric hole metallization process is considered. The process consists of three stages: 1) laser beam piercing of holes in a dielectric with subsequent breakdown of the interelectrode medium and the formation of metal vapor at high pressure and temperature; 2) unsteady flow of metal vapor through the hole characterized by the passage of a shock wave and a surface of contact discontinuity; and 3) steady flow of metal vapor with deposition of metal particles on the channel walls. On the basis of a comparison of the theoretical and experimental results recommendations are given concerning the choice of the optimum parameters of the discharge circuit elements.
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