SOLUTION HEAT TREATMENT METHOD FOR MANUFACTURING METALLIC COMPONENTS OF A TURBO MACHINE

摘要

A solution heat treatment method is disclosed for manufacturing metallic components of a turbo machine, which components provide a hot gas flow channel when assembled in the turbo machine after manufacturing, wherein the components are subjected to a time-temperature-cycle in a furnace. The method includes positioning the components in the furnace in a same principle as the component assembly in the turbo machine, but leaving flow areas and gaps between neighbouring components; then starting the time-temperature-cycle; and applying an inert gas during the solution heat treatment process so that the inert gas flows through flow areas and gaps for achieving a uniform temperature.