Study on the effect of glycerol monoisostearate friction modifier on anti-shudder performance of ATF

Di, Zechao; Li, Shaohui; Huang, Danqiong; Zhang, Xuetao; Li, Yuan; Yu, Jun; Zhang, Mengjia; Xu, Jingjing; Zhao, Zhiyu

doi:10.1016/j.triboint.2022.108025

Cited by 5 publications

(4 citation statements)

References 30 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Published data is available on the friction behaviour of lubricants that contain friction modifier additives [9,12,[15][16][17][18]20]. Typical data [9], generated after a suitable "run-in" period, and measured in a Mini Traction Machine, is shown in Fig.…”

Section: Results For Friction Modified Lubricantsmentioning

confidence: 99%

“…Details of the Mini Traction Machine (MTM), or similar machines, and their operation for measuring friction for different lubricants and different lubricant additives, including grease, have been reported by numerous authors [4, [9][10][11][12][13][14][15][16][17][18][19][20][21][22][23].…”

Section: Experimental Methodsmentioning

confidence: 99%

“…Mixed and boundary lubrication is important in many machine elements (such as gears, valve train systems, rolling element bearings etc.) and understanding how friction is influenced by lubricant formulations under such conditions is a topic of much research interest [9][10][11][12][13][14][15][16][17][18][19][20][21][22][23].…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Prediction of Friction Coefficients in Mixed Lubrication Regime For Lubricants Containing Anti-Wear and Friction Modifier Additives

Taylor,

Sherrington

2023

Tribology Online

View full text Add to dashboard Cite

Many laboratory tribology test machines are available for evaluating the effect of different lubricants and different operating conditions on friction. For the Mini Traction Machine (MTM) there is much published data that shows how the measured friction coefficient varies with operating conditions and lubricant type. Fully formulated lubricants containing the anti-wear additive ZDDP have often been found to have a significantly higher friction coefficient, which persists to higher speeds, compared to base oils (lubricants with no additives). Recent work has found that the surface roughness of ZDDP tribo-films can evolve to become significantly higher than that of the surfaces they are deposited on. When the measured friction coefficients of lubricants tested in the MTM machine are suitably normalized and plotted against the λ ratio (which is equal to the oil film thickness separating the moving surfaces divided by the combined surface roughness) then the curves for various different lubricants lie on a "master curve" which enables reliable friction estimates to be made for lubricated contacts in the mixed lubrication regime. A simple modification to this approach also allows for the calculation method to be extended to lubricants that contain friction modifier additives.

show abstract

Section: Results For Friction Modified Lubricantsmentioning

confidence: 99%

Section: Experimental Methodsmentioning

confidence: 99%

See 1 more Smart Citation

Prediction of Friction Coefficients in Mixed Lubrication Regime For Lubricants Containing Anti-Wear and Friction Modifier Additives

Taylor,

Sherrington

2023

Tribology Online

View full text Add to dashboard Cite

show abstract

“…Furthermore, the chemical composition of the friction lm was explored by further analysis wear surface element spectra lubricated by GMO + phosphate, as shown in Fig. 10(d 2eV is related to the presence of hydrogen phosphate groups [54]. The above XPS analysis fully demonstrates that the GMO and phosphate ester binary additive system undergoes frictional chemical reactions with the metal interface during the friction process to form a chemical reaction lm composed of metal oxides, carbonates, and phosphates.…”

Section: Wear Scar Surface Analysismentioning

confidence: 91%

On the Structure–Activity Relationship of Glyceryl oleate Friction Modifiers and Its Synergistic Mechanism on Phosphate ester Antiwear Additives

et al. 2023

View full text Add to dashboard Cite

The structure-activity relationship of glyceryl oleate organic friction modi ers and the difference in interaction with antiwear additives signi cantly affect the friction and wear characteristics of the lubrication system. This paper comprehensively considers the differences between polar functional groups and hydrocarbon tail chains, a combination of experiments and simulations were used to investigate the structure-activity relationships of three glyceryl oleate friction modi ers and the synergistic antiwear mechanisms with phosphate ester additives. The results indicate that the reduction of hydroxyl groups in glyceryl oleate weakens the electrostatic interaction with the metal interface and hydrogen bonding interaction, and the increase in hydrocarbon tail chains leads to the enhancement of the steric hindrance effect. Resulting in the substitution of polar functional groups and the increase in hydrocarbon tail chains deteriorating tribological properties. In addition, the binary additive system of glyceryl monooleate and phosphate ester exhibits a signi cant synergistic antiwear effect. It is attributed to the chemisorption of additive O(C = O/P-O/P = O) active sites and the Fe 2 O 3 metal interface, GMO hydrogen bond interactions, the deprotonation of phosphate ester, as well as the carbonate and phosphate protective lm generated by tribochemical reaction.

show abstract

Effect of the combination of antioxidant and dispersant in traction oils on their interaction and lubricating property

Xu,

Yu,

Wang

et al. 2024

Tribology International

View full text Add to dashboard Cite

Study on the effect of glycerol monoisostearate friction modifier on anti-shudder performance of ATF

Cited by 5 publications

References 30 publications

Prediction of Friction Coefficients in Mixed Lubrication Regime For Lubricants Containing Anti-Wear and Friction Modifier Additives

Prediction of Friction Coefficients in Mixed Lubrication Regime For Lubricants Containing Anti-Wear and Friction Modifier Additives

On the Structure–Activity Relationship of Glyceryl oleate Friction Modifiers and Its Synergistic Mechanism on Phosphate ester Antiwear Additives

Effect of the combination of antioxidant and dispersant in traction oils on their interaction and lubricating property

Contact Info

Product

Resources

About