Abstract:The residual stress,which is unavoidable in the process of flash-butt-weld rails,plays important roles in the service life of the railway rails.Residual stress can and do change in service.In this paper,the distribution of initial residual stress was presented,and the redistribution was measured after 2×106cycles as well.The result shows that residual stress would change after appling fatigue loading.After 2×106cycles,the residual stress of some tested places increased while others decreased,the state of the l… Show more
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