Failure analysis of 12 mm OD SS 304 tube pertaining to instrument tapping line of nitrogen storage vessel

Suresh Kumar, M and Madan, M and Venkataswamy, MA and Sujata, M and Parameswara, MA and Bhaumik, SK (2005) Failure analysis of 12 mm OD SS 304 tube pertaining to instrument tapping line of nitrogen storage vessel. Project Report. National Aerospace Laboratories, Bangalore.

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Abstract

The SS304 tubing of the instrument tapping line connected to nitrogen storage vessel has failed by thick-lip rupture under Hoop stress. Evidences suggest that the failure was due to presence of defects in the tubes. The defects were identified as preexisting longitudinal cracks, typical of extrusion defects. It is recommended that the entire SS304 tubing of the instrument tapping line be changed to prevent recurrence of similar failures.

Item Type: Proj.Doc/Technical Report (Project Report)
Uncontrolled Keywords: SS304 tube;overload failure;material defects
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: 14 Nov 2011 12:09
Last Modified: 14 Nov 2011 12:09
URI: http://nal-ir.nal.res.in/id/eprint/9997

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