Abstract
The tribological properties of the nano-eutectic Fe1.87C0.13 alloy are investigated under liquid paraffine lubrication against AISI52100 steel ball at room temperature with varied applied load and sliding speed. As comparison, the annealed coarse-grained Fe1.87C0.13 alloy is also examined in the same testing condition. The wear rate of the two alloys increases with increasing applied load and sliding speed. The wear resistance of the nano-eutectic Fe1.87C0.13 alloy is about 2–20 times higher than that of the annealed Fe1.87C0.13 alloy at present experimental conditions. The friction coefficients of the two alloys are almost same. The annealed Fe1.87C0.13 alloy shows serious wear under high applied load and sliding speed. The worn surfaces of the two alloys are analyzed by a scanning electron microscope. With increase in the applied load and sliding speed, the wear mechanism of the nano-eutectic Fe1.87C0.13 alloy is transformed from plowing to fatigue flaking pits, whereas that of the annealed coarse-grained Fe1.87C0.13 alloy is transformed from plowing to fatigue flaking pits then to severe fatigue wear.
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Acknowledgment
This study was supported by the National Natural Science Foundation of China (50801064) and the National 973 Project of China (2007CB607601) and the Innovation Group Foundation from NSFC (50721062).
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Wang, L., Yang, J., Bi, Q. et al. The Tribological Properties of a Nano-Eutectic Fe1.87C0.13 Alloy Under Liquid Paraffine Lubrication. Tribol Lett 37, 183–189 (2010). https://doi.org/10.1007/s11249-009-9513-8
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DOI: https://doi.org/10.1007/s11249-009-9513-8