Failure analysis of P302 Benfield section centrifugal pump shaft

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.

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Abstract

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.

Item Type: Proj.Doc/Technical Report (Project Report)
Uncontrolled Keywords: Centrifugal pump;shaft;fatigue
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
Depositing User: Mrs Manoranjitha M D
Date Deposited: 22 Aug 2011 10:32
Last Modified: 22 Aug 2011 10:32
URI: http://nal-ir.nal.res.in/id/eprint/9904

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