| 摘要 |
FIELD: mechanics. ^ SUBSTANCE: invention is related to hole fabrication methods and may find application in turbine component parts manufacture. Holes are arranged in a multilayer system containing at least a single metal substratum and an external ceramic layer by way of at least a single laser pulse ray. The hole is arranged in several stripping stages by way of long and short pulses. At one of the initial stripping stages one uses pulses whose duration differs from that at one of the last stripping stages. Long pulses duration exceeds 0.4 ms. With long pulses the laser output power is several hundreds W such as 500 W. ^ EFFECT: improved precision of holes fabrication in layered systems. ^ 41 cl, 18 dwg |
