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Failure Analysis of Air Turbine Starter (ATS) Quill Shaft

IR@NAL: CSIR-National Aerospace Laboratories, Bangalore

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Title Failure Analysis of Air Turbine Starter (ATS) Quill Shaft
 
Creator Venkataswamy, MA
Parameswara, MA
Sujata, M
Keshab, Barai
Bhaumik, SK
 
Subject Aeronautics (General)
Chemistry and Materials (General)
 
Description 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.
 
Publisher National Aerospace Laboratories
 
Date 2003
 
Type Proj.Doc/Technical Report
NonPeerReviewed
 
Identifier 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.
 
Relation http://nal-ir.nal.res.in/9812/