Case 47: Failure of Plungers in Hydraulic Pumps
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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.
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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