Fracture analysis of propeller spinner of an aircraft

Suresh Kumar, M and Madan, M and Parameswara, MA and Venkataswamy, MA and Sujata, M and Bhaumik, SK (2005) Fracture analysis of propeller spinner of an aircraft. Project Report. National Aerospace Laboratories, Bangalore.

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Abstract

The lock screw of propeller spinner of an aircraft was found to have fractured by fatigue. Evidences suggest that excessive pre-tension due to over tightening of the lock screw is the most probable reason for the fatigue crack initiation. The failure of the locating and locking pins is secondary in nature and subsequent to the primary fatigue failure of the lock screw.

Item Type: Proj.Doc/Technical Report (Project Report)
Uncontrolled Keywords: Aircraft;locking screw;locating pin;fatigue;over tightening
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: 18 Jul 2011 13:25
Last Modified: 18 Jul 2011 13:25
URI: http://nal-ir.nal.res.in/id/eprint/9436

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