Analysis of the damaged I stage compressor blade of an aero engine

Madan, M and Bhuvana, R and Sujata, M and Venkataswamy, MA and Bhaumik, SK (2008) Analysis of the damaged I stage compressor blade of an aero engine. Project Report. National Aerospace Laboratories, Bangalore, India.

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Abstract

Two first stage compressor rotor blades from an aero engine were analyzed. Analysis showed that one of the blades (A2) failed by fatigue. Fatigue crack initiated at the root-to-airfoil fillet on the convex surface of the blade. There were no metallurgical abnormalities at the fatigue crack origin and crack initiation appears to be stress related. The blade material was found conforming to the specification. A detailed analysis of the failure is presented in this report.

Item Type: Monograph (Project Report)
Uncontrolled Keywords: Aeroengine;Compressor blade;Fatigue
Subjects: AERONAUTICS > Aeronautics (General)
CHEMISTRY AND MATERIALS > Chemistry and Materials (General)
Depositing User: Users 11 not found.
Date Deposited: 19 Jul 2011 04:34
Last Modified: 19 Jul 2011 04:34
URI: http://nal-ir.nal.res.in/id/eprint/9437

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