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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 457-458Effect of Repeated Quenching on the Rotating...

Effect of Repeated Quenching on the Rotating Bending Strength of SAE52100 Bearing Steel

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Abstract:

Martensitic high carbon high strength SAE 52100 bearing steel is one of the main alloys used for rolling contact applications where high wear resistance are required. Due to its high fatigue strength, SAE 52100 is recently being used not only for the production of bearings but also shafts. Refining of prior austenite grain through repeated quenching is a procedure that can be used to enhance the material’s strength. In this work, the microstructure of repeatedly quenched SAE 52100 steel and its fatigue strength under rotating bending were investigated. It was found that repeated furnace heating and quenching effectively refined the martensitic structure and increased the retained austenite content. Repeated quenching was found to improve the fatigue strength of SAE 52100.

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Advanced Materials and Engineering Materials

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Periodical:

Advanced Materials Research (Volumes 457-458)

Pages:

1025-1031

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.457-458.1025

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Online since:

January 2012

Authors:

Koshiro Mizobe, Edson Costa Santos, Takashi Honda, Hitonobu Koike, Katsuyuki Kida, Takuya Shibukawa

Keywords:

Fatigue, Inclusion, Refinement, Repeated Heat Treatment, SAE 52100 Steel

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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