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The surface scratch and thermal fatigue damage of wheel and rail materials are imperative problems affecting safety and stable operation of railway transportation. This study is to explore the surface scratch damage and thermal fatigue cracks for wheel material at different braking speeds. The results indicate that surface scratch morphology presents marked thermal fatigue cracks and plowing damage...
The cracks of the wheel and rail materials have a vital role in determining the safety of railway transportation. This study is to explore the cracks propagation characteristics of wheel materials under the bending moment condition using a wheel/rail simulation facility and finite element method. The results indicate that the stress concentration is found at the tips of pre-cracks and the maximum...
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