Analysis of sagged superheater tube

Venkataswamy, MA and Sujata, M and Parameswara, MA and Bhaumik, SK (2004) Analysis of sagged superheater tube. Project Report. National Aerospace Laboratories, Bangalore.

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Abstract

Three samples cut from the sagged steel tubes of a superheater were sent for analysis. Metallography and hardness measurements indicated decarburization at the tube walls with a resulting decrease in the hardness. Spheroidization in microstructure and decarburization in the steel suggest prolonged overheating of the tubes as the cause for sagging.

Item Type: Proj.Doc/Technical Report (Project Report)
Uncontrolled Keywords: Superheater tube;sagging;overheating
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
Depositing User: Mrs Manoranjitha M D
Date Deposited: 25 Jul 2011 10:20
Last Modified: 25 Jul 2011 10:20
URI: http://nal-ir.nal.res.in/id/eprint/9577

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