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ASM Technical Books
Failure Analysis of Engineering Structures: Methodology and Case Histories
By
ASM International
ISBN electronic:
978-1-62708-301-0
Publication date:
2005
Book Chapter
Case 9: Failure of a Tail Rotor Blade in a Helicopter
-
Published:2005
Abstract
This chapter discusses the investigation of a helicopter tail rotor blade that fractured during a test flight. It includes images of the damaged blade along with close-ups of both sides of the blade tip showing that the tip tore off at the rivets. Based on their observations, investigators concluded that the rotor blade encountered a foreign object in flight causing the tip to shear off.
Topics
Chemical analysis,
Corrosion,
Deformation and fracture,
Embrittlement,
Manufacturing defects,
Fractography,
Wear,
Aircraft components,
Fatigue testing,
Steam turbines,
Ball bearings,
Hardness testing,
Tensile testing,
Metallography,
Microscopy,
Nondestructive testing,
Aircraft landing gear,
Flight control and actuation systems,
Aircraft fuel system components,
Fuselage and wing structures,
Helicopter transmission systems,
Aircraft reciprocating engine components,
Aircraft turbine engine components,
Hydroturbines,
Bolts,
Screws,
Failure mode and effects analysis,
Root cause analysis,
Tearing,
Tail rotor blades,
Visual inspection
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Citation
Failure of a Tail Rotor Blade in a Helicopter, Failure Analysis of Engineering Structures: Methodology and Case Histories, By V. Ramachandran, A.C. Raghuram, R.V. Krishnan, S.K. Bhaumik, ASM International, 2005, p 82–83, https://doi.org/10.31399/asm.tb.faesmch.t51270082
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