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Failure analysis of P302 Benfield section centrifugal pump shaft

IR@NAL: CSIR-National Aerospace Laboratories, Bangalore

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Title Failure analysis of P302 Benfield section centrifugal pump shaft
 
Creator Madan, M
Venkataswamy, MA
Sujata, M
Bhaumik, SK
 
Subject Aeronautics (General)
Chemistry and Materials (General)
 
Description The shaft of the P302 Benfield section centrifugal pump had failed by fatigue. There were two fatigue cracks in the shaft and both of them had initiated at the sharp corner of the keyway edge. The most probable reason for the fatigue crack initiation appears to be misalignment of the shaft and/or loosely fitted key. No metallurgical and/or mechanical abnormalities were responsible for the failure.
 
Publisher National Aerospace Laboratories
 
Date 2005
 
Type Proj.Doc/Technical Report
NonPeerReviewed
 
Identifier Madan, M and Venkataswamy, MA and Sujata, M and Bhaumik, SK (2005) Failure analysis of P302 Benfield section centrifugal pump shaft. Project Report. National Aerospace Laboratories, Bangalore.
 
Relation http://nal-ir.nal.res.in/9904/