Analysis of failed engine gearbox LP filter stud

Parameswara, MA and Venkataswamy, MA and Sujata, M and Suresh Kumar, M and Madan, M and Bhaumik, SK (2005) Analysis of failed engine gearbox LP filter stud. Project Report. National Aerospace Laboratories, Bangalore.

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Abstract

The LP filter stud has failed by fatigue. The fatigue crack has initiated at the thread root region, propagated progressively over about 90% of the stud cross section before culminating in overload failure. There were no metallurgical and/or mechanical abnormalities at the fatigue crack origin region. The fatigue is stress related and appears to be of high cycle – low stress type.

Item Type: Proj.Doc/Technical Report (Project Report)
Uncontrolled Keywords: Aeroengine;LP filter stud;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, Materials Science Division, Materials Science Division
Depositing User: Mrs Manoranjitha M D
Date Deposited: 20 Jul 2011 09:52
Last Modified: 20 Jul 2011 09:52
URI: http://nal-ir.nal.res.in/id/eprint/9464

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