Failure of engine mount of an aircraft

Parameshwara, MA and Keshab, Barai and Bhaumik, SK (2003) Failure of engine mount of an aircraft. Project Report. National Aerospace Laboratories, Bangalore.

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Abstract

A failed engine mount frame of an aircraft was sent to the laboratory for investigation. The engine mount was found to have failed by fatigue. The fatigue crack had initiated at the weld toe in the parent material and propagated progressively before culminating in overload failure. Investigation revealed that abnormal microstructure in the heat affected zone was responsible for fatigue crack initiation and failure of the engine mount frame.

Item Type: Proj.Doc/Technical Report (Project Report)
Uncontrolled Keywords: Engine mount failure;weld;fatigue;HAZ;martensite
Subjects: AERONAUTICS > Aeronautics (General)
CHEMISTRY AND MATERIALS > Chemistry and Materials (General)
Division/Department: Materials Science Division, Materials Science Division, Materials Science Division
Depositing User: Mrs Manoranjitha M D
Date Deposited: 14 Jul 2011 16:30
Last Modified: 14 Jul 2011 16:30
URI: http://nal-ir.nal.res.in/id/eprint/9383

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