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

IR@NAL: CSIR-National Aerospace Laboratories, Bangalore

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Title Failure analysis of 12 mm OD SS 304 tube pertaining to instrument tapping line of nitrogen storage vessel
 
Creator Suresh Kumar, M
Madan, M
Venkataswamy, MA
Sujata, M
Parameswara, MA
Bhaumik, SK
 
Subject Aeronautics (General)
Chemistry and Materials (General)
 
Description 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.
 
Publisher National Aerospace Laboratories
 
Date 2005
 
Type Proj.Doc/Technical Report
NonPeerReviewed
 
Identifier 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.
 
Relation http://nal-ir.nal.res.in/9997/