Failure analysis of jack attachment bolt of an aircraft

Suresh Kumar, M and Madan, M and Venkataswamy, MA and Sujata, M and Parameswara, MA and Bhaumik, SK (2005) Failure analysis of jack attachment bolt of an aircraft. Project Report. National Aerospace Laboratories, Bangalore.

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Abstract

A failed jack attachment bolt belonging to an aircraft was sent to the laboratory for investigation. Examination revealed that the bolt has failed by reverse bending fatigue. No metallurgical and/or mechanical abnormalities were found responsible for the fatigue crack initiation and fatigue appears to be stress related. It is recommended that the assembly in question be subjected to inspection for identification of the reverse bending load on the jack attachment bolt and corrective measures incorporated to prevent recurrence of similar failures.

Item Type: Proj.Doc/Technical Report (Project Report)
Uncontrolled Keywords: Jack attachment bolt;reverse bending 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: 23 Aug 2011 10:39
Last Modified: 23 Aug 2011 10:39
URI: http://nal-ir.nal.res.in/id/eprint/9914

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