Comparison of three-body impact abrasive wear behaviors for quenching–partitioning–tempering and quenching–tempering 20Si2Ni3 steels

Wang, Cun‐Yu; Li, Xiaodong; Chang, Ying; Han, Shuo; Han, Dong

doi:10.1016/j.wear.2016.05.026

Cited by 53 publications

(18 citation statements)

References 22 publications

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“…As a result, its wear coefficient become remarkably lower than the martensitic steels even though the latter have higher hardness. This is in good consistent to the role of austenite in similar abrasive processes reported by other researchers [15,17,18,20,21,24,26].…”

Section: Effect Of Microstructure On the Two-body Abrasive Wear Propertysupporting

confidence: 92%

“…A recent comparative study of low carbon and Si-Mn alloyed steel 20Si2Mn3 revealed superior wear resistance of the Q-P-T treated samples to the conventionally quenching-tempering (Q-T) hardened sample, for the enriched amount of retained austenite was found to bring about a transition of the major wear mechanism from micro-cutting to ploughing and plastic fatigue wear [15]. Other researchers have also reported the benefits of increased austenite in promoting work hardening of worn surfaces through straining induced martensite transformation and high dislocation density [16][17][18][19][20][21][22][23][24][25].…”

Section: Introductionmentioning

confidence: 99%

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Effect of Short-Term Low-Temperature Austempering on the Microstructure and Abrasive Wear of Medium-Carbon Low-Alloy Steel

et al. 2021

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Nano-bainitic steels have attracted great attention for good wear resistance. In this research, a medium-carbon low-alloyed steel was austempered at a low temperature close to its martensite-start temperature for various times to obtain mixed microstructure of nano-bainite, martensite and retained austenite. The austempered samples were characterised comprehensively by field-emission SEM and quantitative XRD. Its two-body abrasive wear property was evaluated by sliding on a SiC abrasive disc. The results revealed the formation of initial nano-width carbide-free bainitic ferrite (BF) after austempering by 10 min, whereas the BF size and amount both increased with the austempering time. The austempered samples exhibited wear coefficients lower than the quenched martensitic sample by up to 50%. SEM and TEM observations showed wear mechanisms of micro-cutting and ploughing deformation, including the formation of a nano-laminate top layer and bending deformation in the subsurface multiphase microstructure. The decreased wear loss was attributed to the role of retained austenite in the increased plasticity. Graphic abstract

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Section: Effect Of Microstructure On the Two-body Abrasive Wear Propertysupporting

confidence: 92%

Section: Introductionmentioning

confidence: 99%

Effect of Short-Term Low-Temperature Austempering on the Microstructure and Abrasive Wear of Medium-Carbon Low-Alloy Steel

et al. 2021

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“…This may be related to abrasive wear products. During wear, these particles have been transferred to the worn surface (Wang et al, 2016).…”

Section: Worn Surface Microstructuresmentioning

confidence: 99%

Wear behaviors of WC and TiC on co matrix composites under three-body impact abrasive wear condition

Dong

Zhang

Liu

et al. 2019

ILT

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Purpose The purpose of this paper is to investigate the tribological properties of the WC/TiC-Co substrate under different loading conditions under three impact abrasive wear conditions. Design/methodology/approach The three body collisional wear behavior of Co alloy with WC and TiC at three impact energy was studied from 1 to 3 J. Meanwhile, the microstructure, hardness, phase transformation and wear behavior of these specimens were investigated by scanning electron microscopy, Rockwell hardness (HRV), EDS and impact wear tester. The resulting wear rate was quantified by electronic balance measurements under different pressures. Findings The specific wear rate increases with the increase of the nonlinearity of the impact energy and the increase in the content of WC or TiC. The effect of TiC on wear rate is greater than that of WC, but the hardness is smaller. The wear characteristics of the samples are mainly characterized by three kinds of behavior, such as cutting wear, abrasive wear and strain fatigue wear. The WC-Co with fewer TiC samples suffered heavier abrasive wear than the more TiC samples under both low and high impact energy and underwent fewer strain fatigue wears under high impact energy. Originality/value The experimental results show that the wear resistance of the Co alloy is improved effectively and the excellent impact wear performance is achieved. The results can be used in cutting tools such as coal mine cutting machines or other fields.

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“…The ductility and toughness of the steel were improved; however, the wear resistance did not appear to improve . The quenching–partitioning–tempering process was developed on 20Si2Ni3 rolled steels, which showed a tensile strength of 1450 MPa, yield strength of 1210 MPa, hardness of 445 HV, Charpy impact energy of 64.7 J, and an enhanced wear resistance . Recent studies have mostly concentrated on a quenching, partitioning, and tempering heat treatment of rolled steel.…”

Section: Introductionmentioning

confidence: 99%

The Influence of Holding Time on the Microstructure and Mechanical Properties of a 58CrMnSiNiMo Wear‐Resistant Cast Steel during Diffusion Annealing

Pei

Song

et al. 2019

steel research int.

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The microstructure and mechanical properties of a 58CrMnSiNiMo wear‐resistant cast steel with or without diffusion annealing heat treatment are investigated. The results reveal a microstructural inhomogeneity and variation in the chemical composition of the steel without diffusion annealing, and the microstructural inhomogeneity is characterized by a dislocation substructure in the lath martensite and a twin substructure in the lenticular martensite. After diffusion annealing, the inhomogeneity is effectively reduced, and some complicated lath orientations are produced. With an increase in the diffusion annealing holding time, the average spacing of the martensite laths increases by 54.48%, with a value of 0.79 μm. After diffusion annealing, the second‐phase precipitates, mainly identified as M7C3 and M23C6 carbides, accelerate the division/formation of packet boundaries, block boundaries, and lath boundaries, and pin the packet boundaries and block boundaries. The diffusion annealing process significantly improves the ultimate tensile strength and toughness of the experimental steel from 1775 MPa and 44 J cm−2 to a maximum of 2029 MPa and 143.1 J cm−2, respectively. After diffusion annealing, an increase in the toughness is attributed to high density dislocations in the martensite laths as well as thin lamellae of retained austenite between or around the corners of these laths.

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Comparison of three-body impact abrasive wear behaviors for quenching–partitioning–tempering and quenching–tempering 20Si2Ni3 steels

Cited by 53 publications

References 22 publications

Effect of Short-Term Low-Temperature Austempering on the Microstructure and Abrasive Wear of Medium-Carbon Low-Alloy Steel

Effect of Short-Term Low-Temperature Austempering on the Microstructure and Abrasive Wear of Medium-Carbon Low-Alloy Steel

Wear behaviors of WC and TiC on co matrix composites under three-body impact abrasive wear condition

The Influence of Holding Time on the Microstructure and Mechanical Properties of a 58CrMnSiNiMo Wear‐Resistant Cast Steel during Diffusion Annealing

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