Effects of nano-SiO 2 as water-based lubricant additive on surface qualities of strips after hot rolling

Bao, Yueyue; Sun, Jianlin; Kong, Linghui

doi:10.1016/j.triboint.2017.04.026

Cited by 91 publications

(51 citation statements)

References 28 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…As for (a), a part of sliding friction is translated into rolling friction due to particle shape of 2D h‐BN nanoparticles thus reducing the friction coefficients and wear of surface decreased simultaneously. [ 43 ] For (b), nanoparticles play a self‐repairing role on worn surface by depositing into depressions. 2D h‐BN nanoparticles play a role in bearing the load and avoiding the contact of the friction pairs, so as to reduce the amounts of pits and scratch.…”

Section: Resultsmentioning

confidence: 99%

Synergistic Lubricating Behaviors of 3D Graphene and 2D Hexagonal Boron Nitride Dispersed in PAO4 for Steel/Steel Contact

Geng

et al. 2020

Adv Materials Inter

View full text Add to dashboard Cite

Nanomaterials as oil‐based lubricant additives improve the tribological properties of oils, and its enormous potential in oil‐based applications has attracted increasing attention. However, 2D materials have limited applications in industry due to its high price. 3D graphene (3D Gr) has become a substitute of 2D graphene because of its low price. Hexagonal boron nitride (h‐BN) is known as white graphene and is a material with potential lubrication applications. In this paper, the combination of the two different dimensions materials not only plays a significant role in reducing environmental pollution, but also exerts excellent properties of both materials. The results show that the mixed‐dimensional nanomaterials have good macroscopic lubricity under oil.

show abstract

Section: Resultsmentioning

confidence: 99%

Synergistic Lubricating Behaviors of 3D Graphene and 2D Hexagonal Boron Nitride Dispersed in PAO4 for Steel/Steel Contact

Geng

et al. 2020

Adv Materials Inter

View full text Add to dashboard Cite

show abstract

“…• changing existing roll material, 6 • using roll surface coatings, 1,3 • using lubricants, 2,4,7,8 • changing roll geometry (i.e. grooves) [9][10][11][12] • using different rolling regimes.…”

Section: Introductionmentioning

confidence: 99%

Roll wear modeling using genetic programming – industry case study

Kovačić¹,

Mihevc²,

Terčelj³

2019

Mater. Tehnol.

View full text Add to dashboard Cite

Using the continuous rolling line (10 stands-6 horizontal, 4 vertical), all the rolled dimensions, including round (more than 80 nominal diameters), flat (more than 650 shapes and dimensions) and square bars (13 different sizes), can be rolled each month. The purpose of the research was to identify the parameters affecting the working roll wear in the hot-rolling process. For this purpose, we collected data during the 2013 annual production on the first stand of the continuous roll mill for rolling of diameters from f20 mm to f58 mm for which data of the groove shape and surface, roll diameter, contact time, carbon equivalent, rolling temperature and quantity of the rolled material are available. After roll wear-out they are machined using a turning operation. The root cause "why the rolls were machined" was not collected. To evaluate the roll wear-out, the quantity of rolled material before the machining of rolls was used. Prediction of the quantity of rolled material before the machining of rolls was conducted using linear regression and genetic programming. The developed models were validated using the data from 2014. The validation showed that in the case of excluding the fatigue cracks from collected data the prediction could be improved drastically. The results of the research can be used in practice for predicting roll wear and consequently roll maintenance on the basis of rolling schedule quantities.

show abstract

“…Hot steel rolling, one of the most important manufacturing processes, has drawn considerable attention due to its huge energy consumption and pollutant emission. Previous studies have shown that the application of lubricants into hot steel rolling can lower the friction between work roll and workpiece [2][3][4], decrease rolling force [5,6], reduce thickness of oxide scale [6][7][8], increase roll service life [9,10], improve surface quality of rolled products [7,8,10], and refine grains in obtained microstructures [7,8]. These thus reduce energy consumption, increase yield and production efficiency, improve the mechanical properties of rolled steels, and bring about great economic benefits.…”

Section: Introductionmentioning

confidence: 99%

“…In this regard, a type of environment-friendly lubricant with excellent lubricating performance is urgently needed to substitute conventional oil-containing lubricants. In recent years, the research trend on water-based lubricants added with nanoparticles (NPs) is continuously ascending due to their excellent tribological properties and promising potential in hot steel rolling, even though the relevant reports are still scarce [8,[16][17][18][19][20][21][22][23]. For instance, Bao et al [8] carried out hot steel rolling tests at temperatures of 750-950 • C using water-based lubricants containing SiO 2 NPs, and found that the use of as-prepared lubricants with the addition of 0.5 wt% nano-SiO 2 resulted in improved surface morphology, reduced oxide scale thickness, and refined grain size, compared to that of the base lubricant.…”

Section: Introductionmentioning

confidence: 99%

Performance Evaluation and Lubrication Mechanism of Water-Based Nanolubricants Containing Nano-TiO2 in Hot Steel Rolling

Zhao

Luo

et al. 2018

Lubricants

View full text Add to dashboard Cite

Hot rolling tests of a low-alloy steel were conducted at a rolling temperature of 850 • C under different lubrication conditions, including benchmarks (dry condition and water) and water-based nanolubricants containing different concentrations of nano-TiO 2 from 1.0 to 8.0 wt%. The effects of nanolubricants on rolling force, surface roughness, thickness of oxide scale, and microstructure were systematically investigated through varying nano-TiO 2 concentrations. The results show that the application of nanolubricants can decrease the rolling force, surface roughness and oxide scale thickness of rolled steels, and refine ferrite grains. In particular, the nanolubricant containing an optimal concentration (4.0 wt%) of nano-TiO 2 demonstrates the best lubrication performance, owing to the synergistic effect of lubricating film, rolling, polishing, and mending generated by nano-TiO 2 .

show abstract

Effects of nano-SiO 2 as water-based lubricant additive on surface qualities of strips after hot rolling

Cited by 91 publications

References 28 publications

Synergistic Lubricating Behaviors of 3D Graphene and 2D Hexagonal Boron Nitride Dispersed in PAO4 for Steel/Steel Contact

Synergistic Lubricating Behaviors of 3D Graphene and 2D Hexagonal Boron Nitride Dispersed in PAO4 for Steel/Steel Contact

Roll wear modeling using genetic programming – industry case study

Performance Evaluation and Lubrication Mechanism of Water-Based Nanolubricants Containing Nano-TiO2 in Hot Steel Rolling

Contact Info

Product

Resources

About