The simulation of crack growth in rolling stock running wheel disk

Abstract

The article reviews scientific and technical literature in the field of the survivability of railway wheels. The computer simulation of the flat crack growth at different temperatures is performed with the estimation of the crack propagation rate and survivability parameters. In conclusion, the estimation is provided to refine the calculation model, followed by the recalculation of the obtained results.

Combined Acoustic Emission and Digital Image Correlation for Early Detection and Measurement of Fatigue Cracks in Rails and Train Parts under Dynamic Loading

“…Despite the wide range of non-destructive testing (NDT) techniques applied in regular inspection of these parts, early detection and quantitative characterization of fatigue cracks is still an important task. Complex geometric shapes, thermal loading, subjectivity of decision-making, and other factors significantly complicate the analysis and prediction of fatigue crack growth in the parts of the rolling stock [ 4 , 5 , 6 ]. Conventional NDT methods include ultrasonic, eddy current, magnetic, and X-ray, utilize the signals reflected from the local inhomogeneities, and, thus, have relatively low sensitivity in terms of complex-shaped crack-like defects [ 7 , 8 , 9 ].…”