Abstract
Nanobainite and dispersed carbides were gained on surface layer of a modified carburizing 23Cr2Ni2Si1Mo bainitic bearing steel based on carburization, tempering at high temperature, and succedent low-temperature isothermal quenching. As compared with the conventional carburizing 20Cr2Ni4 martensitic bearing steel, the novel carburizing 23Cr2Ni2Si1Mo nanobainitic bearing steel showed a much higher wear-resisting performance and rolling contact fatigue performance. The excellent properties suggest that the novel carburizing 23Cr2Ni2Si1Mo nanostructured bainitic steel is very promising to manufacture heavy-duty bearing, especially for bearings that bear impact load and need high wear-resisting performance and high rolling contact fatigue performance during their service life.
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Acknowledgement
The work in this paper thanks the support of the Natural Science Foundation of Hebei Province (E2019402433), and the University Science and Technology Research Project of Hebei Province (QN2018078), P.R. China.
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Wang, Y., Zhang, F., Yang, Z., Li, H., Yang, Q. (2020). Performance of a Carburizing Bearing Steel After Surface Nanosized. In: Gdoutos, E., Konsta-Gdoutos, M. (eds) Proceedings of the Third International Conference on Theoretical, Applied and Experimental Mechanics. ICTAEM 2020. Structural Integrity, vol 16. Springer, Cham. https://doi.org/10.1007/978-3-030-47883-4_9
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DOI: https://doi.org/10.1007/978-3-030-47883-4_9
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