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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 47: Failure of Plungers in Hydraulic Pumps
-
Published:2005
Abstract
Several hydraulic pumps that failed in service on a particular type of aircraft were received for analysis. Hydraulic testing was not an option, so the pumps were disassembled and their plungers and cylinders were cleaned and examined. Based on their observations, investigators concluded that cavitation erosion damaged the plungers, causing them to seize.
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,
Cavitation erosion,
Scanning electron microscopy,
Aircraft hydraulic and pneumatic systems,
Energy-dispersive X-ray spectrophotometry
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Citation
Failure of Plungers in Hydraulic Pumps, 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 175–176, https://doi.org/10.31399/asm.tb.faesmch.t51270175
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