savety-relevant-flaws-of-casted-turbine-bladesDuring takeoff, a turbine rotorblade in the fourth stage fractured. It was determinedthat the blade was weakenedby a casting flaw.Material flaws are often cost-intensive and relevant tosafety.Blade fracture in thefourth rotor stage dueto a casting flawDanger of cold lapFlow direction of the meltCastingT-blade