Fatigue reliability assessment of a pearlitic Grade 900A rail steel subjected to multiple cracks
Engineering Failure Analysis(2021)
摘要
•We present a new applied method for fatigue reliability assessment for rail steel.•The stress history is used to calculate SIFs and reliability assessment of rail.•Paris Equation is used as a criterion of fatigue crack growth rate.•Morgan law is used to describe the failure probability of the series system.•Fatigue reliability is evaluated for each failure mode.
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关键词
Fatigue reliability,Boundary element method,Multiple site crack,Stress intensity factor,Rail
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