Sujata, M and Bhaumik, SK (2004) Failure analysis of exhaust pipe of a MICROLITE aircraft. Project Report. National Aerospace Laboratories, Bangalore.
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The exhaust pipe of the MICROLITE aircraft has failed by fatigue. Fatigue crack has initiated at the smaller tube – weld interface on the outer surface of the exhaust tube and propagated progressively along the circumference to about 45 mm length before culminating in overload fracture. No weld and/or metallurgical abnormalities were found responsible for fatigue crack initiation. Fatigue is of high cycle – low stress type and is stress related. The most probable reason for fatigue crack initiation appears to be assembly stresses.
| Item Type: | Monograph (Project Report) |
|---|---|
| Uncontrolled Keywords: | Exhaust pipe;MICROLITE aircraft;fatigue;assembly stresses |
| Subjects: | AERONAUTICS > Aeronautics (General) CHEMISTRY AND MATERIALS > Chemistry and Materials (General) |
| Depositing User: | Mrs Manoranjitha M D |
| Date Deposited: | 29 Jul 2011 06:43 |
| Last Modified: | 29 Jul 2011 06:43 |
| URI: | http://nal-ir.nal.res.in/id/eprint/9731 |
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