Bulk hardness measurements were made on the polished samples extracted from aerofoil region of 1, 2 and 3 stage blades using a universal hardness testing machine at a load of 30 kgf.
Bulk hardness measurements were made on the polished samples extracted from aerofoil region of 1, 2 and 3 stageblades using a universal hardness testing machine at a load of 30 kgf.