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

Lubricants ◽  
2018 ◽  
Vol 6 (3) ◽  
pp. 57 ◽  
Author(s):  
Hui Wu ◽  
Jingwei Zhao ◽  
Liang Luo ◽  
Shuiquan Huang ◽  
Lianzhou Wang ◽  
...  
Keyword(s):  
Performance Evaluation ◽  
Lubrication Mechanism ◽  
Nano Tio2 ◽  
Steel Rolling ◽  
Water Based

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

2018 ◽  
Author(s):  
Hui Wu ◽  
Jingwei Zhao ◽  
Liang Luo ◽  
Shuiquan Huang ◽  
Lianzhou Wang ◽  
...  
Keyword(s):  
Surface Roughness ◽  
Oxide Scale ◽  
Rolling Force ◽  
Nano Tio2 ◽  
Steel Rolling ◽  
Scale Thickness ◽  
Lubricating Film ◽  
Lubrication Performance ◽  
Water Based ◽  
Lubrication Conditions

Hot rolling tests of a low-alloy steel were conducted at a rolling temperature of 850 ℃ under different lubrication conditions, including benchmarks (dry condition and water) and water-based nanolubricants containing different concentrations of nano-TiO2 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-TiO2 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-TiO2 demonstrates the best lubrication performance, owing to the synergistic effect of lubricating film, rolling, polishing and mending generated by nano-TiO2.

scholarly journals Eco-Friendly Water-Based Nanolubricants for Industrial-Scale Hot Steel Rolling

Lubricants ◽  
2020 ◽  
Vol 8 (11) ◽  
pp. 96
Author(s):  
Hui Wu ◽  
Hamidreza Kamali ◽  
Mingshuai Huo ◽  
Fei Lin ◽  
Shuiquan Huang ◽  
...  
Keyword(s):  
Surface Roughness ◽  
Oxide Scale ◽  
Rolling Force ◽  
Pure Water ◽  
Surface Hardness ◽  
Industrial Scale ◽  
Steel Rolling ◽  
Scale Thickness ◽  
Lubrication Performance ◽  
Water Based

Eco-friendly and low-cost water-based nanolubricants containing rutile TiO2 nanoparticles (NPs) were developed for accelerating their applications in industrial-scale hot steel rolling. The lubrication performance of developed nanolubricants was evaluated in a 2-high Hille 100 experimental rolling mill at a rolling temperature of 850 °C in comparison to that of pure water. The results indicate that the use of nanolubricant enables one to decrease the rolling force, reduce the surface roughness and the oxide scale thickness, and enhance the surface hardness. In particular, the nanolubricant consisting of 4 wt % TiO2, 10 wt % glycerol, 0.2 wt % sodium dodecyl benzene sulfonate (SDBS) and 1 wt % Snailcool exhibits the best lubrication performance by lowering the rolling force, surface roughness and oxide scale thickness by up to 8.1%, 53.7% and 50%, respectively. The surface hardness is increased by 4.4%. The corresponding lubrication mechanisms are attributed to its superior wettability and thermal conductivity associated with the synergistic effect of rolling, mending and laminae forming that are contributed by TiO2 NPs.

scholarly journals Effect of water-based nanolubricant containing nano-TiO2 on friction and wear behaviour of chrome steel at ambient and elevated temperatures

Wear ◽  
2019 ◽  
Vol 426-427 ◽  
pp. 792-804 ◽  
Author(s):  
Hui Wu ◽  
Fanghui Jia ◽  
Jingwei Zhao ◽  
Shuiquan Huang ◽  
Lianzhou Wang ◽  
...  
Keyword(s):  
Friction And Wear ◽  
Elevated Temperatures ◽  
Wear Behaviour ◽  
Nano Tio2 ◽  
Chrome Steel ◽  
Effect Of Water ◽  
Water Based

Lubrication Mechanism of Nanoparticles in Metal Hot Deformation

2014 ◽  
Vol 809-810 ◽  
pp. 31-38
Author(s):  
Tai Long Niu ◽  
Jian Lin Sun ◽  
Ya Dan Wang ◽  
Zuo Xin Zhu ◽  
Yan Li
Keyword(s):  
Surface Morphology ◽  
Hot Deformation ◽  
Metal Surfaces ◽  
Load Capacity ◽  
Extreme Pressure ◽  
Lubrication Mechanism ◽  
Water Based ◽  
Metal Deformation ◽  
Lubrication Conditions ◽  
Lubricating Mechanism

Effect of nanoparticles to improve the lubrication load capacity and resistance to extreme pressure of water-based rolling liquid was studied by four-ball tester. Compression experiments were conducted in different lubrication conditions with nanoparticles using Gleeble hot compression simulation machine. Then the residual nanoparticles characteristics and the surface morphology of the compressed sample were analyzed by SEM and EDS. The results show that water-based nanoTiO2lubricant can efficiently reduce the friction during metal deformation. nanoZnO is preferred to adhere to metal surfaces and employed to isolate the surfaces. A new lubricating mechanism of nanoparticles in metal hot deformation named convex peak extreme pressure buffering mechanism is thereby proposed, which is verified by the surface morphology of compressed sample.

scholarly journals Eco-friendly Water-based Nanolubricants for Industrial-scale Hot Steel Rolling

2020 ◽  
Author(s):  
Hui Wu ◽  
Hamidreza Kamali ◽  
Mingshuai Huo ◽  
Fei Lin ◽  
Shuiquan Huang ◽  
...  
Keyword(s):  
Surface Roughness ◽  
Oxide Scale ◽  
Rolling Force ◽  
Pure Water ◽  
Surface Hardness ◽  
Industrial Scale ◽  
Steel Rolling ◽  
Scale Thickness ◽  
Lubrication Performance ◽  
Water Based

Eco-friendly and low-cost water-based nanolubricants containing rutile TiO2 nanoparticles (NPs) were developed for accelerating their applications in industrial-scale hot steel rolling. The lubrication performance of developed nanolubricants was evaluated in a 2-high Hille 100 experimental rolling mill at a rolling temperature of 850 ℃ in comparison to that of pure water. The results indicate that the use of nanolubricant enables to decrease the rolling force, reduce the surface roughness and the oxide scale thickness, and enhance the surface hardness. In particular, the nanolubricant consisting of 4 wt% TiO2, 10 wt% glycerol, 0.2 wt% sodium dodecyl benzene sulfonate (SDBS) and 1 wt% Snailcool exhibits the best lubrication performance by lowering the rolling force, surface roughness and oxide scale thickness up to 8.1%, 53.7% and 50%, respectively. The surface hardness is increased by 4.4%. The corresponding lubrication mechanisms are attributed to its superior wettability and thermal conductivity associated with the synergistic effect of rolling, mending and laminae forming that are contributed by TiO2 NPs.

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