Failure analysis of Tee-nut

Suresh Kumar, M and Madan, M and Venkataswamy, MA and Sujata, M and Parameswara, MA and Bhaumik, SK (2004) Failure analysis of Tee-nut. Project Report. National Aerospace Laboratories, Bangalore.

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Abstract

Fractographic analysis showed that the Tee-nut has failed by fatigue. The fatigue crack was found to have initiated at the root of the threads on the inner diameter of the nut. No metallurgical and/or mechanical abnormalities were responsible for the fatigue crack initiation. Since the component was in service for about 25 years, the Tee-nut appears to have served its intended life. The nut was made of cast high leaded brass (Ounce metal) equivalent to BS1400 LG2 specification.

Item Type: Proj.Doc/Technical Report (Project Report)
Uncontrolled Keywords: Tee-nut;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 10:03
Last Modified: 20 Jul 2011 10:03
URI: http://nal-ir.nal.res.in/id/eprint/9476

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