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Stainless-Steel-Foam Structures Evaluated for Fan and Rotor BladesThe goal of this project is to use a sandwich structure design, consisting of two stainlesssteel face sheets and a stainless-steel-foam core, to fabricate engine fan and propeller blades. Current fan blades are constructed either of polymer matrix composites (PMCs) or hollow titanium alloys. The PMC blades are expensive and have poor impact resistance on their leading edges, thereby requiring a metallic leading edge to satisfy the Federal Aviation Administration s impact requirements relating to bird strikes. Hollow titanium blades cost more to fabricate because of the intrinsically difficult fabrication issues associated with titanium alloys. However, both these current concepts produce acceptable lightweight fan blades.
Document ID
20050217247
Document Type
Other
Authors
Lerch, Bradley A.
(NASA Glenn Research Center Cleveland, OH, United States)
Raj, Sai V.
(NASA Glenn Research Center Cleveland, OH, United States)
Ghosn, Louis J.
Hebsur, Mohan G.
Cosgriff, Laura M.
Min, James B.
Holland, Frederic A., Jr.
Date Acquired
September 7, 2013
Publication Date
June 1, 2005
Publication Information
Publication: Research and Technology 2004
Subject Category
Mechanical Engineering
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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