Analysis of debris collected from the yoke assembly installed on an aeroengine

Bhaumik, SK (2004) Analysis of debris collected from the yoke assembly installed on an aeroengine. Project Report. National Aerospace Laboratories, Bangalore.

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Abstract

Chemical analysis showed that the debris collected from the yoke tube consisted of oxides of the base material elements. In addition, chlorine as high as 0.6 wt% was found present. The morphology of the debris was found to be typical of scales that form on the surface of the steel components during heat treatment. It appears that these scales were present on the inner surface of the yoke tube and would have peeled off due to vibration during service. However, the presence of chlorine cannot be ignored since it can give rise to different forms of corrosion in a long run. It is, therefore, necessary to identify the source of chlorine and accordingly, corrective measures need to be incorporated.

Item Type: Monograph (Project Report)
Uncontrolled Keywords: Aeroengine;yoke assembly;oxide scales;corrosion
Subjects: AERONAUTICS > Aeronautics (General)
CHEMISTRY AND MATERIALS > Chemistry and Materials (General)
Depositing User: Users 15 not found.
Date Deposited: 21 Jul 2011 04:30
Last Modified: 21 Jul 2011 04:30
URI: http://nal-ir.nal.res.in/id/eprint/9528

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