Study of constitutive relation of rail decarburized layer
Engineering Failure Analysis(2021)
摘要
•The constitutive relation of materials at different positions were obtained.•A set of dimensionless functions were proposed for Material parameters.•The Young’s modulus and hardness decrease from the rail bulk to the surface.•The reduction of hardness is mainly attributed to Young’s modulus.
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关键词
Rail decarburized layer,Nano-indentation,Young’s modulus,Yield stress,Constitutive relation
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