Effects of Rare Earth Y on Fatigue and Wear Resistance of GCr15 Bearing Steel AITranslate
Abstract AITranslate
GCrl5 bearing steel with different Y contents was prepared by vacuum induction furnace,and the effects of rare earth Y on the fatigue and wear resistance of the GCrl5 bearing steel were investigated by bending fatigue test and sliding wear test.The results show that the fatigue life of the test steel significantly increases with the addition of the rare earth Y.The fatigue fracture morphology of the test steel without Y addition is mainly fluvial and slightly dimpled,and the fracture mode is brittle fracture.The fatigue fracture of the test steel added with a small amount of Y exhibits fatigue striations,and its width decreases with the increase of rare earth Y.In addition,the fatigue fracture inclusions of the test steel without Y addition are MnS-Al2O3 composite inclusions with irregular angles,which are modified into spherical Al-O-Y-Mn-S rare earth inclusions with the addition of a small amount of Y,thereby improving the fatigue performance of the test steel.With the increase of rare earth Y,the wear loss of the test steel gradually decreases,its friction coefficient gradually decreases as well,and the wear resistance is enhanced.The wear mechanism of the test steel is a joint action of abrasive wear and fatigue wear,and with the increase of rare earth Y,the abrasive wear and fatigue wear gradually reduce.
KeyWords AITranslate
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Basic Information:
DOI：
Chinese Library Classification Number:TG142[金属学及工艺—金属材料]
Citation Information:
GCrl5 bearing steel with different Y contents was prepared by vacuum induction furnace,and the effects of rare earth Y on the fatigue and wear resistance of the GCrl5 bearing steel were investigated by bending fatigue test and sliding wear test.The results show that the fatigue life of the test steel significantly increases with the addition of the rare earth Y.The fatigue fracture morphology of the test steel without Y addition is mainly fluvial and slightly dimpled,and the fracture mode is brittle fracture.The fatigue fracture of the test steel added with a small amount of Y exhibits fatigue striations,and its width decreases with the increase of rare earth Y.In addition,the fatigue fracture inclusions of the test steel without Y addition are MnS-Al2O3 composite inclusions with irregular angles,which are modified into spherical Al-O-Y-Mn-S rare earth inclusions with the addition of a small amount of Y,thereby improving the fatigue performance of the test steel.With the increase of rare earth Y,the wear loss of the test steel gradually decreases,its friction coefficient gradually decreases as well,and the wear resistance is enhanced.The wear mechanism of the test steel is a joint action of abrasive wear and fatigue wear,and with the increase of rare earth Y,the abrasive wear and fatigue wear gradually reduce.
quote
| GB/T 7714-2015 | [1] WANG Ting, CHE Zhi-qiang, YANG Ji-chun, et al. Effects of Rare Earth Y on Fatigue and Wear Resistance of GCr15 Bearing Steel[J]. Rare Metals and Cemented Carbides, 2023(2): 54-59. |
| MLA | [1] WANG Ting, et al., "Effects of Rare Earth Y on Fatigue and Wear Resistance of GCr15 Bearing Steel." Rare Metals and Cemented Carbides, no. 2, 2023, pp. 54-59. |
| APA | [1] WANG Ting, CHE Zhi-qiang, YANG Ji-chun, LIU Xiang-jun, & YANG Chang-qiao. (2023). Effects of Rare Earth Y on Fatigue and Wear Resistance of GCr15 Bearing Steel. Rare Metals and Cemented Carbides(2), 54-59. |
| IEEE | [1] WANG Ting, CHE Zhi-qiang, YANG Ji-chun, LIU Xiang-jun, and YANG Chang-qiao, "Effects of Rare Earth Y on Fatigue and Wear Resistance of GCr15 Bearing Steel," Rare Metals and Cemented Carbides, no. 2, pp. 54-59, 2023. keywords: {rare earth Y;GCrl5 bearing steel;fatigue;wear resistance} |