Failure Analysis of Air Turbine Starter (ATS) Quill Shaft

Venkataswamy, MA and Parameswara, MA and Sujata, M and Keshab, Barai and Bhaumik, SK (2003) Failure Analysis of Air Turbine Starter (ATS) Quill Shaft. Project Report. National Aerospace Laboratories, Bangalore.

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Abstract

A fractured Air Turbine Starter (ATS) quill shaft was forwarded to the laboratory for analysis. The ATS quill shaft was found fractured by torsional overload. It appears that the rotation of the quill shaft at the driven end was restricted resulting in overload on the shaft. The ATS system may be examined to establish the cause for such restriction. Chemical analysis by EDX showed that the shaft was made of Cr-Mo-V steel and had a hardness of about RC54.

Item Type: Proj.Doc/Technical Report (Project Report)
Uncontrolled Keywords: Aeroengine;ATS quill shaft;torsional overload.
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
Depositing User: Mrs Manoranjitha M D
Date Deposited: 05 Aug 2011 13:34
Last Modified: 05 Aug 2011 13:34
URI: http://nal-ir.nal.res.in/id/eprint/9812

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