Microstructure stability in wheel steel: A case of thermal-accumulated damage capacity in pearlite and low-carbon bainite
Engineering Failure Analysis(2023)
摘要
•Thermal-accumulated fatigue resistance in service is closely related to microstructure stability.•Lamellar fracture and cementite spheroidization lead to relatively lower pearlitic wheel resistance.•Bainitic structure stability plays a dominant role in wheel service sustainability.
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关键词
Wheel steel, Thermal fatigue, Hardness, Microstructure, Service stability
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