作者: Campbell Christian X
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摘要: A tip rail configured to reduce stress when formed from a single crystal alloy is disclosed. The may be at least one oriented in low modulus direction such that gap exists location where the axis of orientation positioned 45 degree angle outer surface suction side on rail. separately generally elongated blade which attached. form leading edge region recess proximate between an inner and pressure trailing edge. reduces during use operation gas turbine engine attached airfoil.