Defect investigation of HPTR blades of an aeroengine

Venkataswamy, MA and Sujata, M and Parameswara, MA and Bhaumik, SK (2004) Defect investigation of HPTR blades of an aeroengine. Project Report. National Aerospace Laboratories, Bangalore.

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Abstract

Out of the two HPTR blades examined, one was found to have surface defects at two locations; on the blade root platform and blade root. The defect on the blade root platform was found to have a network of shallow surface cracks and appears to have caused due to a minor mechanical damage. On the other hand, the defect on the root appeared to be a line defect resulted due to surface discontinuity and might have got created during casting. The other blade (No. BB-2-7484 B) did not show any defects.

Item Type: Proj.Doc/Technical Report (Project Report)
Uncontrolled Keywords: Aeroengine;surface defect
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: 20 Jul 2011 09:56
Last Modified: 20 Jul 2011 09:56
URI: http://nal-ir.nal.res.in/id/eprint/9478

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