Failure analysis of broken parts of hydraulic piston pump of an aircraft

Suresh Kumar, M and Madan, M and Venkataswamy, MA and Sujata, M and Parameswara, MA and Bhaumik, SK (2005) Failure analysis of broken parts of hydraulic piston pump of an aircraft. Project Report. National Aerospace Laboratories, Bangalore.

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Abstract

Investigation showed that the wear of the pistons was responsible for the failure of the hydraulic pump in question. Ingression of hard abrasive particles through contaminated fuel led to wear of the pistons. The particles were found rich in Si, Al and O. The damages to the other components of the pump were caused subsequent to this primary failure and are secondary in nature. Periodic check of fuel samples is suggested to avoid recurrence of similar failures.

Item Type: Proj.Doc/Technical Report (Project Report)
Uncontrolled Keywords: Aircraft;hydraulic piston pump;contaminated fuel;wear failure
Subjects: AERONAUTICS > Aeronautics (General)
CHEMISTRY AND MATERIALS > Chemistry and Materials (General)
Division/Department: Materials Science Division, Materials Science Division, Materials Science Division, Materials Science Division, Materials Science Division, Materials Science Division
Depositing User: Mrs Manoranjitha M D
Date Deposited: 15 Nov 2011 09:55
Last Modified: 15 Nov 2011 09:55
URI: http://nal-ir.nal.res.in/id/eprint/9992

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