Analysis of failed K-95 horn diaphragm

Bhaumik, SK (2003) Analysis of failed K-95 horn diaphragm. Project Report. National Aerospace Laboratories, Bangalore.

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A failed K-95 horn diaphragm was sent to the laboratory to analyse the cause of failure. The horn diaphragm had a crack along the diameter through the central hole. Examination revealed that the diaphragm has failed by fatigue. Fatigue was found to be of high cycle – low stress type. Analysis showed that there were some pre-existing cracks around the periphery of the central hole which have propagated by fatigue under cyclic load. It appears most probable that these cracks were generated during fixing the diaphragm in the assembly.

Item Type: Monograph (Project Report)
Uncontrolled Keywords: K-95 horn;fatigue;mechanical damage.
Subjects: AERONAUTICS > Aeronautics (General)
CHEMISTRY AND MATERIALS > Chemistry and Materials (General)
Depositing User: Mrs Manoranjitha M D
Date Deposited: 12 Jul 2011 08:25
Last Modified: 12 Jul 2011 08:25

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