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Components under rigorous usage of Railway track

Bangshidhar Goswami, Sonali Nag, Kumari Shipra Suman, Atul Kumar, Amit Kumar Sinha, Abhishek Kumar, Bijay Kumar Singh, Diwakar Suman, Tridib Kumar Pathak


Risk evaluation of railway rolling stock failures by fatigue are enacted by failure mode, effects and criticality analysis (FMECA) technique. Studies are measurement, evaluation of reliability, availability and maintainability related to components of diesel loco engine. Failure investigations have included railway loco to diesel engine gear train consisting of crankshaft and camshaft gears in auto trucks. Finite element simulations of failure analysis of crankshaft as well experimentation have determined fatigue strength or a key failure mechanism studied for shaft failure analysis. Fatigue failures by repetitive stresses are shear originated for surface in contact like case hardened gear-pinion shafts. Integrated assembly have been subsequently failed to stop usual functioning of engine.

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