Temperature dependence of contact quality inducing suppression of stick–slip friction

Zhao, Liming; Cao, Penghui

doi:10.1016/j.eml.2021.101273

Cited by 5 publications

(3 citation statements)

References 27 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…As the temperature increases, the interlayer lattice resonance frequency of graphene increases, therefore the rotational frequency required to induce lattice resonance also increases correspondingly. On the other hand, in the interlayer viscous sliding process, the elastic deformation graphene undergoes the experiences of accumulation and release 49 . When the rotational frequency is higher than a certain key value, the deformation energy accumulated by the interlayer friction is di cult to be completely released in time and produce a certain amount of deformation, which results in the change of graphene lattice constant.…”

Section: Rotational Frequency Effectsmentioning

confidence: 99%

Molecular dynamics study on dynamic interlayer friction of graphene and its strain effect

Gan

Huang

Cai

et al. 2023

Preprint

View full text Add to dashboard Cite

The mechanism of dynamic sliding friction between graphene layers and its strain effect is theoretically analyzed in this paper. A friction pair model with an annular graphene as slider is built to eliminate the influence of commensurability and edge effect. The effects of temperature, normal load, sliding velocity, support stiffness and axial strain on the friction between graphene layers are investigated. The coupling effect of temperature and other influencing factors are clarified. The results show that normal load increases the friction force by decreasing layer spacing. The friction is firstly enhanced as the sliding velocity increase and then is reduced by severe interlayer residual deformation and lattice resonance frequency at high sliding velocity. The support stiffness regulates the interlayer friction by affecting the atomic vibration amplitude of the graphene lattice. By mechanism analysis, it is found that by changing the number of atoms in friction region between layers and the frequency of lattice vibration, the strain can effectively regulate the dynamic friction between graphene layers. Our findings reveal the influence mechanism of affecting factor on dynamic friction of graphene and provide a fundamental understanding for the strains engineering of nanoscale friction.

show abstract

Section: Rotational Frequency Effectsmentioning

confidence: 99%

Molecular dynamics study on dynamic interlayer friction of graphene and its strain effect

Gan

Huang

Cai

et al. 2023

Preprint

View full text Add to dashboard Cite

show abstract

“…However, due to the structural characteristics of graphene, friction studies for graphene are mainly at the nanoscale. − As the research scale becomes smaller, the details of friction changes are more prominent, and many friction behaviors that cannot be observed in macroscopic friction are found. , Among them, the stick–slip behavior is a common phenomenon in graphene nanofriction, and scholars have proposed the P–T model to explain this behavior . In the nanofriction of graphene on a silicon oxide substrate, Lee et al first observed the friction-strengthening behavior of graphene in experiments and proposed the fold theory to explain this behavior.…”

Section: Introductionmentioning

confidence: 99%

Effect of Normal Load on the Nanofriction Behavior of Graphene on Stainless-Steel Substrate: Implication for Nanoscale Lubrication

Guo,

Bai,

Dou

et al. 2024

ACS Appl. Nano Mater.

View full text Add to dashboard Cite

Graphene on a stainless steel substrate will appear as localized bulges, and these bulges will lead to large fluctuations in friction force, which is the key to influencing the lubrication efficiency of graphene. Here, the effect of normal load on the nanofriction behavior of the bulged graphene on a stainless steel substrate is investigated. In the normal load study interval from 20 to 110 nN, an increment of 10 nN of normal load can increase friction force the more the normal load increases, and the two are not linearly correlated. The friction force in the graphene bulge region consists of two parts: the first part originates from the interaction of the graphene material itself in contact with the tip, and the second part originates from the resistance due to the pileup of graphene deformation in front of the tip. The nonlinear correlation between the normal load and friction force is mainly related to the pile-up effect of bulged graphene. In addition, the friction force increase due to the graphene bulge region needs to go through a process, which is divided into two stages. The first stage is the increase in friction force due to the tip starting to contact the bulged graphene and the contact area increasing. The second stage is the increase in friction force due to the graphene regulating its configuration and repeatedly interacting with the tip. The normal load is linearly related to the first stage but not linearly related to the second stage. The nonlinear correlation between the normal load and friction force is mainly related to the second stage of friction force rise. Therefore, the change of normal load affects the stacking effect and the ability to regulate the configuration of bulged graphene, which leads to a nonlinear increase of friction force. This contributes to the application of graphene for nanolubrication of stainless-steel components in MEMS.

show abstract

“…23 Furthermore, the systematic and persistent stick-slip motion, which is occurring at the low range of temperature turns irregular and unpredictable at high temperatures. 24 In molecular dynamics stick-slip influences the growth of twins and is an important observation for small-scale nanotwinned metals. [25][26][27] Besides, the loading angle between a soft and adhesive juncture affects the stick-slip phenomena and one should model it properly for such pairs of materials.…”

Section: Introductionmentioning

confidence: 99%

Identification of damping prohibiting stick-slip form friction influenced dynamic system

Yadav

Maity

Kurre

et al. 2022

Proceedings of the Institution of Mechanical Engineers, Part C:

View full text Add to dashboard Cite

The present work discusses the application of damping for friction-influenced dynamic systems to inhibit stick-slip vibrations. The stick-slip can be eliminated from the system with an appropriate selection of system parameters like lower friction coefficient, lower value of the ratio of static to Coulomb friction, and higher driving velocity. Sometimes due to functional constraints, these parameters cannot be selected as per the will. The alternate approach is to embed the system with proper damping to ensure dynamics without stick-slip vibrations. Present work encapsulates this aspect viz. numerical simulation of a 1 DOF system by incorporating damping to obtain the responses in terms of displacement and velocity versus time plots. The study presents a noble approach to determine the value of damping critical in ensuring the stick-slip free vibrations.

show abstract

Temperature dependence of contact quality inducing suppression of stick–slip friction

Cited by 5 publications

References 27 publications

Molecular dynamics study on dynamic interlayer friction of graphene and its strain effect

Molecular dynamics study on dynamic interlayer friction of graphene and its strain effect

Effect of Normal Load on the Nanofriction Behavior of Graphene on Stainless-Steel Substrate: Implication for Nanoscale Lubrication

Identification of damping prohibiting stick-slip form friction influenced dynamic system

Contact Info

Product

Resources

About