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

IR@NAL: CSIR-National Aerospace Laboratories, Bangalore

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Title Failure analysis of broken parts of hydraulic piston pump of an aircraft
 
Creator Suresh Kumar, M
Madan, M
Venkataswamy, MA
Sujata, M
Parameswara, MA
Bhaumik, SK
 
Subject Aeronautics (General)
Chemistry and Materials (General)
 
Description 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.
 
Publisher National Aerospace Laboratories
 
Date 2005
 
Type Proj.Doc/Technical Report
NonPeerReviewed
 
Identifier 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.
 
Relation http://nal-ir.nal.res.in/9992/