New insight into the dry rolling-sliding wear mechanism of carbide-free bainitic and pearlitic steel

Liu, J.P.; Li, Y.Q.; Zhou, Quan; Zhang, Y.H.; Hu, Yue; Shi, L.B.; Wang, W.J.; Liu, F.S.; Zhou, Shaobo; Tian, Chang Hai

doi:10.1016/j.wear.2019.202943

Cited by 23 publications

(22 citation statements)

References 46 publications

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“…Similarly, even though extensive sliding and rolling wear investigations on bainitic and pearlitic rails have been carried out during past decades, there is no common conclusion on whose wear performance is better. The results of previous studies [27,[29][30][31][32][33][34][35][36][37] are provided in Appendix A. It indicates that the good wear resistance of bainitic rail steels partially depends on the rail grades (hardness) of the pearlitic rail steel considered in the comparison.…”

Section: Introductionmentioning

confidence: 98%

“…It indicates that the good wear resistance of bainitic rail steels partially depends on the rail grades (hardness) of the pearlitic rail steel considered in the comparison. For standard pearlitic rails, the bainitic rails generally presented good wear resistance [29,34,35], while it was poor if compared to advanced pearlitic rails [33,35]. Besides, work hardening is a key consideration in comparison of pearlitic and bainitic rail steels.…”

Section: Introductionmentioning

confidence: 99%

“…Besides, work hardening is a key consideration in comparison of pearlitic and bainitic rail steels. The low work hardening for bainitic rails was believed to be responsible for their poor wear response [32,35,38]. Moreover, contact conditions also play a significant role in the wear response of rail materials [39][40][41], where the two most important factors are creepage and contact pressure (influenced by axle load and profiles).…”

Section: Introductionmentioning

confidence: 99%

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Comparison of wear and rolling contact fatigue behaviours of bainitic and pearlitic rails under various rolling-sliding conditions

Guo

Maiorino

et al. 2020

Wear

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Rolling-sliding wear experiments were performed to investigate the wear and rolling contact fatigue (RCF) behaviours of a premium pearlitic rail (PH), a carbon-free bainitic rail (BH) and two standard pearlitic rails (U71Mn and U75V). The wear regime and RCF damage evolution of the PH and BH materials in terms of Tγ/A (i.e. creepages and contact pressures) were compared and analyzed. The high-hardness BH steel presented a wear resistance similar to U71Mn and U75V rail materials, whereas lower wear rate was shown by the PH steel. Concerning the RCF performance, the damage of BH steel (comparable to U75V) was more severe than that of PH steel (comparable to U71Mn). Finally, with the increase in creepages and pressures, the wear and RCF damage of both PH and BH steels increased. These information could provide a guide in choosing rail materials and in development of bainitic rails.

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Section: Introductionmentioning

confidence: 98%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Comparison of wear and rolling contact fatigue behaviours of bainitic and pearlitic rails under various rolling-sliding conditions

Guo

Maiorino

et al. 2020

Wear

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“…As for the bainitic steel, several studies mainly focused on the comparison of the wear resistance [ 14 , 15 , 16 , 17 , 18 , 19 ] and RCF [ 3 , 15 , 16 , 20 ] between bainitic steels and pearlitic steels under the same working condition. However, the results were very contradictory.…”

Section: Introductionmentioning

confidence: 99%

“…Some researchers proposed that the wear resistance of bainitic steels depended on the microstructure and thus on its transformation process [ 5 , 25 , 26 ]. It was also found that bainitic steels cannot obtain expected wear resistance due to its worse work hardening ability than pearlitic steels [ 15 , 16 , 18 ]. The controversial phenomenon was mainly due to the fact that too many diversified types of bainitic and pearlitic steels were used.…”

Section: Introductionmentioning

confidence: 99%

Dry Rolling/Sliding Wear of Bainitic Rail Steels under Different Contact Stresses and Slip Ratios

Liu

Zhang

et al. 2020

Materials

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This study aims to deeply understand the effect of contact stress and slip ratio on wear performances of bainitic rail steels. The results showed that the wear loss increased as the contact stress and slip ratio increased. Based on the surface damage morphology and microstructural analyses, it revealed that the rolling contact fatigue wear mechanism played a significant role under the low slip ratio, but the dominant wear mechanism transferred to the abrasive wear at the high slip ratio. Meanwhile, the bainitic steel specifically presented worse wear resistance under the abrasive wear mode. Compared with the influence of a slip ratio, the increase in contact stress led to severer plastic flows and contributed to the propagation of cracks. In addition, the contact stress and slip ratio had the opposite effect on the friction coefficient, that is, the friction coefficient of bainitic steels behaved the inverse proportion with the contact stress, but positive proportion with the slip ratio. At last, the increase in slip ratio had more significant effect on the reduction of retained austenite (RA) than the enlargement of contact stress due to the fact that the RA would probably be removed before the martensitic transformation occurred under the abrasive wear mechanism.

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High-content continuous carbon fibers reinforced PEEK matrix composite with ultra-high mechanical and wear performance at elevated temperature

Dai

Kou

Yang

et al. 2022

Composite Structures

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New insight into the dry rolling-sliding wear mechanism of carbide-free bainitic and pearlitic steel

Cited by 23 publications

References 46 publications

Comparison of wear and rolling contact fatigue behaviours of bainitic and pearlitic rails under various rolling-sliding conditions

Comparison of wear and rolling contact fatigue behaviours of bainitic and pearlitic rails under various rolling-sliding conditions

Dry Rolling/Sliding Wear of Bainitic Rail Steels under Different Contact Stresses and Slip Ratios

High-content continuous carbon fibers reinforced PEEK matrix composite with ultra-high mechanical and wear performance at elevated temperature

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