Dynamics of Atomic Stick-Slip Friction
原子粘滑摩擦动力学
基本信息
- 批准号:RGPIN-2014-04748
- 负责人:
- 金额:$ 1.82万
- 依托单位:
- 依托单位国家:加拿大
- 项目类别:Discovery Grants Program - Individual
- 财政年份:2019
- 资助国家:加拿大
- 起止时间:2019-01-01 至 2020-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The objective of this project is to gain further understanding of the dynamic aspects of frictional sliding at the atomic scale. In particular, this project will be focused on examining the structure of extremely small, nanoscale sliding contacts, characterizing the thermal and mechanical fluctuations of the contact under static and sliding conditions, and the effect thermal energy has on reducing friction in dry lubricated contacts. Examination of such fundamental concepts is crucial, despite the fact that the concept of friction is considered relatively simple. For example, although it is possible to easily measure friction and catalogue its effects, there currently exists no method of predicting the friction behaviour that will occur when two materials are brought into contact and begin to slide against each other. While our existing empirical friction laws have been widely exploited to date, innovation in the field of tribology, or the field concerned with understanding friction, is critical for improved environmental performance of mechanical systems, enhanced durability of these systems, and technological innovation of micro-/nano-electromechanical (M/NEMS). Given the goal of producing machines that are extremely energy efficient, long-lasting, and have low maintenance needs, an improved understanding of friction, with a specific emphasis of reducing the problem to physically predictive values and theories, is required. Nanotechnology and nanoscience are often thought of enabling these goals, as the complex problem of friction can be reduced in complexity to one that can be experimentally measured as well as completely re-created within a computer simulation.**In this research program, atomic force microscopy (AFM) will be used to examine friction between small, nanometre-sized tips sliding on a surface of atomically flat solid lubricants. AFM will be used in this study because it is able to measure forces sufficiently small to detect single chemical bonds breaking events, as well as laterally slide the tip along the surface by atomic distances. One issue with measuring friction with an AFM is that typical sliding speeds that can be achieved are on the order of 100 nm/s while typical machines operate at m/s sliding speeds. Measures will be taken to correct this deficiency in experiments. Furthermore, the influence of mechanical vibrations on reducing friction will be examined and their contributions to velocity dependent friction will be analyzed. This fundamental research represents the groundwork for reaching predictive models of friction, and will have far reaching impact on science and technology both in research institutions and industry.
该项目的目标是在原子尺度上进一步了解摩擦滑动的动力学方面。特别是,该项目将重点研究极小的纳米级滑动接触的结构,表征接触在静态和滑动条件下的热和机械波动,以及热能在干润滑接触中对减少摩擦的影响。尽管摩擦的概念被认为是相对简单的,但对这些基本概念的审查是至关重要的。例如,虽然可以很容易地测量摩擦并对其影响进行分类,但目前还没有方法来预测两种材料接触并开始相互滑动时发生的摩擦行为。虽然到目前为止,我们现有的经验摩擦定律已经被广泛利用,但摩擦学领域的创新,或与摩擦相关的领域的创新,对于改善机械系统的环境性能、提高这些系统的耐用性以及微米/纳米机电(M/NEMS)的技术创新至关重要。考虑到生产极具能效、耐用性和低维护需求的机器的目标,需要对摩擦有更好的理解,特别强调将问题减少到物理预测值和理论。纳米技术和纳米科学通常被认为能够实现这些目标,因为复杂的摩擦问题可以简化为一个可以通过实验测量的问题,也可以在计算机模拟中完全重现。**在这个研究计划中,原子力显微镜(AFM)将被用来检查在原子平面固体润滑剂表面上滑动的纳米级小尖端之间的摩擦。AFM将用于这项研究,因为它能够测量足够小的力,以检测单个化学键断裂事件,以及沿表面横向滑动尖端原子距离。用原子力显微镜测量摩擦的一个问题是,可以达到的典型滑动速度约为100纳米/S,而典型机器的滑动速度为m/S。将在实验中采取措施纠正这一不足。此外,还将考察机械振动对减摩的影响,并分析它们对速度相关摩擦的贡献。这项基础性研究为建立摩擦预测模型奠定了基础,并将对研究机构和工业界的科学技术产生深远的影响。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Egberts, Philip其他文献
Tribological Behavior of Multi-scaled Patterned Surfaces Machined Through Inclined End Milling and Micro Shot Blasting
- DOI:
10.1007/s11249-018-1086-y - 发表时间:
2018-12-01 - 期刊:
- 影响因子:3.2
- 作者:
Resendiz, Jesus;Egberts, Philip;Park, Simon S. - 通讯作者:
Park, Simon S.
Reinterpretation of velocity-dependent atomic friction: Influence of the inherent instrumental noise in friction force microscopes
- DOI:
10.1103/physreve.90.012125 - 发表时间:
2014-07-23 - 期刊:
- 影响因子:2.4
- 作者:
Dong, Yalin;Gao, Hongyu;Egberts, Philip - 通讯作者:
Egberts, Philip
Enhancement of tribo-corrosion performance of carbon steel through boronizing and BN-based coatings
- DOI:
10.1016/j.triboint.2020.106666 - 发表时间:
2021-01-01 - 期刊:
- 影响因子:6.2
- 作者:
Panda, Jitendra Narayan;Wong, Brandon Christopher;Egberts, Philip - 通讯作者:
Egberts, Philip
Evaluation of wetting transparency and surface energy of pristine and aged graphene through nanoscale friction
- DOI:
10.1016/j.carbon.2018.02.093 - 发表时间:
2018-06-01 - 期刊:
- 影响因子:10.9
- 作者:
Gong, Peng;Ye, Zhijiang;Egberts, Philip - 通讯作者:
Egberts, Philip
Frictional Behavior of Atomically Thin Sheets: Hexagonal-Shaped Graphene Islands Grown on Copper by Chemical Vapor Deposition
- DOI:
10.1021/nn501085g - 发表时间:
2014-05-01 - 期刊:
- 影响因子:17.1
- 作者:
Egberts, Philip;Han, Gang Hee;Carpick, Robert W. - 通讯作者:
Carpick, Robert W.
Egberts, Philip的其他文献
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{{ truncateString('Egberts, Philip', 18)}}的其他基金
Impact of Wetting Transparency on Lubricating and Adhesive Properties of Two-Dimensional Materials
润湿透明度对二维材料润滑和粘合性能的影响
- 批准号:
RGPIN-2020-04545 - 财政年份:2022
- 资助金额:
$ 1.82万 - 项目类别:
Discovery Grants Program - Individual
Mechanical and lubrication properties enabled through mixed 2D materials
通过混合二维材料实现机械和润滑性能
- 批准号:
570909-2021 - 财政年份:2021
- 资助金额:
$ 1.82万 - 项目类别:
Alliance Grants
Impact of Wetting Transparency on Lubricating and Adhesive Properties of Two-Dimensional Materials
润湿透明度对二维材料润滑和粘合性能的影响
- 批准号:
RGPIN-2020-04545 - 财政年份:2021
- 资助金额:
$ 1.82万 - 项目类别:
Discovery Grants Program - Individual
Impact of Wetting Transparency on Lubricating and Adhesive Properties of Two-Dimensional Materials
润湿透明度对二维材料润滑和粘合性能的影响
- 批准号:
RGPIN-2020-04545 - 财政年份:2020
- 资助金额:
$ 1.82万 - 项目类别:
Discovery Grants Program - Individual
Impact of fracking fluid and additives on erosion corrosion of steel
压裂液及添加剂对钢材冲刷腐蚀的影响
- 批准号:
532622-2018 - 财政年份:2018
- 资助金额:
$ 1.82万 - 项目类别:
Engage Grants Program
Dynamics of Atomic Stick-Slip Friction
原子粘滑摩擦动力学
- 批准号:
RGPIN-2014-04748 - 财政年份:2018
- 资助金额:
$ 1.82万 - 项目类别:
Discovery Grants Program - Individual
Development of the next generation corrosion and wear-resistant coatings
开发下一代耐腐蚀耐磨涂层
- 批准号:
RTI-2018-00364 - 财政年份:2017
- 资助金额:
$ 1.82万 - 项目类别:
Research Tools and Instruments
Dynamics of Atomic Stick-Slip Friction
原子粘滑摩擦动力学
- 批准号:
RGPIN-2014-04748 - 财政年份:2017
- 资助金额:
$ 1.82万 - 项目类别:
Discovery Grants Program - Individual
Evaluating the mechanical and friction-reducing properties of boronized steels and other alloys
评估硼钢和其他合金的机械和减摩性能
- 批准号:
513888-2017 - 财政年份:2017
- 资助金额:
$ 1.82万 - 项目类别:
Engage Grants Program
Dynamics of Atomic Stick-Slip Friction
原子粘滑摩擦动力学
- 批准号:
RGPIN-2014-04748 - 财政年份:2016
- 资助金额:
$ 1.82万 - 项目类别:
Discovery Grants Program - Individual
相似海外基金
Dynamics of Atomic Stick-Slip Friction
原子粘滑摩擦动力学
- 批准号:
RGPIN-2014-04748 - 财政年份:2018
- 资助金额:
$ 1.82万 - 项目类别:
Discovery Grants Program - Individual
Dynamics of Atomic Stick-Slip Friction
原子粘滑摩擦动力学
- 批准号:
RGPIN-2014-04748 - 财政年份:2017
- 资助金额:
$ 1.82万 - 项目类别:
Discovery Grants Program - Individual
Dynamics of Atomic Stick-Slip Friction
原子粘滑摩擦动力学
- 批准号:
RGPIN-2014-04748 - 财政年份:2016
- 资助金额:
$ 1.82万 - 项目类别:
Discovery Grants Program - Individual
Dynamics of Atomic Stick-Slip Friction
原子粘滑摩擦动力学
- 批准号:
RGPIN-2014-04748 - 财政年份:2015
- 资助金额:
$ 1.82万 - 项目类别:
Discovery Grants Program - Individual
Dynamics of Atomic Stick-Slip Friction
原子粘滑摩擦动力学
- 批准号:
RGPIN-2014-04748 - 财政年份:2014
- 资助金额:
$ 1.82万 - 项目类别:
Discovery Grants Program - Individual
Development of an Acquisition System for High-Speed Atomic Stick-Slip Measurements
高速原子粘滑测量采集系统的开发
- 批准号:
467236-2014 - 财政年份:2014
- 资助金额:
$ 1.82万 - 项目类别:
University Undergraduate Student Research Awards
Collaborative Research: Determining the Physical Mechanisms of Atomic Stick -Slip Friction by Closing the Gap between Experiments and Atomistic Simulations
合作研究:通过缩小实验和原子模拟之间的差距来确定原子粘滑摩擦的物理机制
- 批准号:
1216441 - 财政年份:2012
- 资助金额:
$ 1.82万 - 项目类别:
Standard Grant
Collaborative Research: Determining the Physical Mechanisms of Atomic Stick-Slip Friction by Closing the Gap between Experiments and Atomistic Simulations
合作研究:通过缩小实验和原子模拟之间的差距来确定原子粘滑摩擦的物理机制
- 批准号:
1068741 - 财政年份:2011
- 资助金额:
$ 1.82万 - 项目类别:
Standard Grant
Collaborative Research: Determining the Physical Mechanisms of Atomic Stick -Slip Friction by Closing the Gap between Experiments and Atomistic Simulations
合作研究:通过缩小实验和原子模拟之间的差距来确定原子粘滑摩擦的物理机制
- 批准号:
1068552 - 财政年份:2011
- 资助金额:
$ 1.82万 - 项目类别:
Standard Grant
Collaborative Research: Experimental and Multi-Scale Modeling Investigation of Atomic Lattice Stick-Slip Friction
合作研究:原子晶格粘滑摩擦的实验和多尺度建模研究
- 批准号:
0733585 - 财政年份:2007
- 资助金额:
$ 1.82万 - 项目类别:
Standard Grant