Failure analysis of burst pressure gauge of oxygen charging trolley of an aircraft

Madan, M and Bhuvana, R and Sujata, M and Venkataswamy, MA and Bhaumik, SK (2009) Failure analysis of burst pressure gauge of oxygen charging trolley of an aircraft. Project Report. National Aerospace Laboratories, Bangalore, India.

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Abstract

A fractured oxygen pressure gauge was sent to the laboratory for analyzing the cause of failure. Examination revealed that tubing of the pressure gauge got burst as soon as the valve of the oxygen bottle was opened. The fracture features were typical of high strain rate failure. Evidences suggest that one of the possible reasons for the failure could be sudden rise in pressure in the tubing. Examination did not reveal any signatures of progressive failure. Also, no deficiencies or degradation in the tube material were found responsible for the failure.

Item Type: Proj.Doc/Technical Report (Project Report)
Uncontrolled Keywords: Aircraft oxygen charging trolley;Pressure gauge burst
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
Depositing User: Ms. Alphones Mary
Date Deposited: 18 Jul 2011 11:59
Last Modified: 18 Jul 2011 11:59
URI: http://nal-ir.nal.res.in/id/eprint/9402

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