Failure analysis of main wheel hubs of an aircraft

Sujata, M and Madan, M and Parameswara, MA and Venkataswamy, MA and Bhaumik, SK (2005) Failure analysis of main wheel hubs of an aircraft. Transactions of the Indian Institute of Metals, 58 (5). ISSN 0972-2815

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Abstract

A number of failures in the main wheel hubs of a specific aircraft were analyzed. Metallography and fractographic studies revealed that there were either corrosion pits or stress corrosion cracks at the outer rim flange of the component. These stress raisers resulted in fatigue crack initiation and failure of the component. Remedial measures were suggested to eliminate stress raisers by suitable dressing and restoration of the protective film to avoid fatigue failures.

Item Type: Journal Article
Uncontrolled Keywords: Fatigue failure;Aircraft components;Stress corrosion cracking; Wheels;Fractography;Pitting (corrosion);Crack initiation; Metallography;Failure analysis
Subjects: AERONAUTICS > Aircraft Design, Testing & Performance
Division/Department: Materials Science Division, Materials Science Division, Materials Science Division, Materials Science Division, Materials Science Division
Depositing User: M/S ICAST NAL
Date Deposited: 23 Jan 2008
Last Modified: 24 May 2010 09:55
URI: http://nal-ir.nal.res.in/id/eprint/4348

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