| 摘要 |
A fan blade for a turbine engine includes an exterior surface defining an airfoil that is provided by leading and trailing edges, opposing generally chord-wise surfaces interconnecting the leading and trailing edges, and a tip. The airfoil extends from a root. A fan rotor includes a slot that receives the root. A spar is constructed from a first material and includes opposing sides. The spar provides at least a portion of the exterior surface. A sheath is constructed from a second material different than the first material. The sheath is arranged on both of the opposing sides to provide at least a portion of the exterior surface at the opposing surfaces.
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