Failure analysis of propeller shaft in turbo charger Garret
Abstract
Rupture in propeller shaft in turbo charger Garret was analyzed, were tried type and characteristics of fracture, using Structural Characterization, Metallography, Scanning Electronic Microscopy (SEM) with Energy Dispersive Spectroscopy (EDS), X-Ray Diffraction (XRD), Hardness Testing and simulation CAD-CAE, the fracture was observed on initial point with SEM, the hardness helped to try to explain the relation on initial fracture, XRD led know the structural phases to try to identify the original material, supported with the values obtained in metallography and hardness reported in material detected, finally the analysis with Finite Element Method and the material proposed was possible identify the spaces with stress concentration, the results were demonstratives about of every factor analyzed on failure, showing an image with dimples in material.
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References
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