摘要:
The invention relates to a method for producing through-holes (7) in a wall (3) of a component (1), by means of laser radiation, said wall delimiting a cavity (2) in which a protection agent (5) is provided that can be liquefied when heated. According to said method, through-holes (7) are successively produced in the wall (3) of the component (1) in a plurality of defined points, two directly subsequent through-holes (7) being produced such that a through-hole (7) is produced in a predetermined point and the next through-hole (7) is produced in an additional point which is further away from the predetermined point than at least two, in particular three or more omitted points that are closer to the predetermined point, and/or are produced such that a through-hole (7) is produced in a predetermined point and the next through-hole (7) is produced an additional point. At least one point which lies between the predetermined and the additional point is omitted, in particular two or more points which lie between the predetermined point and the additional point are omitted.
摘要:
The invention relates to a method for producing a thermal barrier coating on a component, more particularly on a turbine component and preferably on a turbine blade, wherein the component is provided with the thermal barrier coating and structures are then created in the outer surface of the thermal barrier coating using a laser ablation process so as to segment the surface of the thermal barrier coating, the structures being created in the surface of the thermal barrier coating by an ultrashort pulse laser, more particularly a femtosecond laser.
摘要:
The invention relates to a film cooling hole (20) of gas turbine components to be cooled, having an inflow section (26) with a constant flow area, to which a diffuser section (28) with a variable flow area is connected. The aim of the invention is to provide a particularly efficient film cooling. To this end, the diffuser region (26) is simply widened in the direction perpendicular to the flow direction of the hotter medium M H .
摘要:
The invention relates to a method for producing through-holes in a wall (3) of a component (1), by means of laser radiation, said wall delimiting a cavity (2) in which a protection agent (5) is provided that can be liquefied when heated. According to said method, through-holes (7) are produced in the wall (3) of the component (1) in a plurality of defined points by successively removing material in said points by means of laser radiation, each surface of each through-hole (7) being subdivided into two or more sectors (A - D) and the material being removed sector by sector. Two sectors (A - D) are immediately successively processed in such a way that once material is removed in a sector (A - D) in a predetermined point material is removed in a sector (A - D) in an additional point.