Failure analysis of input shaft of Maerz kiln # 6 skip drive gearbox

Suresh Kumar, M and Sujata, M and Madan, M and Venkataswamy, MA and Banerjee, A and Bhattacharya, S and Bhaumik, SK (2006) Failure analysis of input shaft of Maerz kiln # 6 skip drive gearbox. Project Report. National Aerospace Laboratories, Bangalore, India.

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Evidences suggest that the input shaft has failed by stress corrosion cracking (SCC). After initiation at the keyway edges, the cracks have propagated progressively along the fillet at the change of cross section of the shaft. Once the cross section of the shaft reduced below the critical limit, it has failed by sudden torsional overload. Investigation revealed that use of improper steel with high amount of MnS was responsible for the SCC.

Item Type: Monograph (Project Report)
Uncontrolled Keywords: Shaft;Failure;Stress corrosion cracking;Improper steel;MnS inclusions
Subjects: AERONAUTICS > Aeronautics (General)
CHEMISTRY AND MATERIALS > Chemistry and Materials (General)
Depositing User: Ms. Alphones Mary
Date Deposited: 29 Jul 2011 05:35
Last Modified: 29 Jul 2011 05:35

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