Lubrication by Chemical Reaction Products at Sliding Interface
滑动界面处的化学反应产物润滑
基本信息
- 批准号:1435766
- 负责人:
- 金额:$ 35万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2014
- 资助国家:美国
- 起止时间:2014-09-01 至 2018-08-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Sliding and rubbing interfaces of machineries, whether they are big or small, need lubrication to mitigate friction and wear for reliable operation. Otherwise, these interfaces are bound to fail eventually. The last defense of the sliding interface from such failure is boundary lubrication layers which are chemically or physically adhered to solid surfaces. This layer can be applied to the tribological interface before the assembly and full operation of mechanical devices, or formed in-situ during the operation of the devices. This work focuses on in-situ synthesis of boundary lubrication films directly at the sliding interfaces during the device operation. This research can generate a new lubricant additive chemistry which can reduce parasitic frictional energy losses for automobile industries. This work could also revive the microscale electromechanical technology requiring reliable operations of moving and sliding structural components. This project will train students with multidisciplinary skills covering surface science, molecular characterization and imaging, and tribology; these students will make substantial contributions to newly emerging nano-engineering fields as well as traditional lubrication sectors. The research outcome will be incorporated into a graduate surface characterization course and disseminated through to a broad range of science and engineering fields covering chemistry, chemical engineering, mechanical engineering, materials science, and tribology.Mechanochemical reactions readily occur at all length scales; however, key parameters governing the reaction yield and selectivity are not well documented or understood. This study aims at advancing mechanistic understanding of mechanochemical reactions that can produce reliable boundary lubrication films with complementary properties such as low interfacial shear and high load-bearing. Two specific systems to be studied are (i) mechanochemical polymerization of unsaturated alcohols and esters adsorbed from the vapor phase for synthesis of multilayer films of polyols and polyolesters and (ii) ferrocene-catalyzed mechanochemical reactions of organic precursors in lubricant oils and their graphitization at the sliding interface. This work will undertake systematic studies to understand how contact pressure, shear rate, structure of reactant molecules, and chemistry of substrate materials affect the mechanochemical reaction yield and selectivity as well as the lubrication properties of the produced films. The outcome of this study will not only make breakthroughs in surface engineering for extreme-condition lubrications, but also advance fundamental knowledge of tribochemistry which is still empirical and qualitative.
机械的滑动和摩擦界面,无论大小,都需要润滑以减轻摩擦和磨损,以确保可靠运行。否则,这些接口最终必然会失败。防止滑动界面发生这种破坏的最后一道防线是边界润滑层,它以化学或物理方式粘附在固体表面上。该层可以应用于机械装置组装和全面运行前的摩擦学界面,也可以在装置运行过程中原位形成。本工作的重点是在装置运行过程中直接在滑动界面处原位合成边界润滑膜。该研究可为汽车工业提供一种新的润滑油添加剂化学,以减少寄生摩擦能损失。这项工作还可以恢复需要可靠操作的移动和滑动结构部件的微型机电技术。该项目将培养学生的多学科技能,包括表面科学、分子表征和成像、摩擦学;这些学生将在新兴的纳米工程领域以及传统的润滑领域做出实质性的贡献。研究成果将被纳入研究生表面表征课程,并通过广泛的科学和工程领域传播,包括化学,化学工程,机械工程,材料科学和摩擦学。机械化学反应很容易在所有长度尺度上发生;然而,控制反应产率和选择性的关键参数并没有很好地记录或理解。本研究旨在促进对机械化学反应的机理理解,从而产生具有低界面剪切和高承载等互补特性的可靠边界润滑膜。要研究的两个特定系统是:(i)从气相吸附的不饱和醇和酯的机械化学聚合,用于合成多元醇和多元酯的多层膜;(ii)二茂铁催化的润滑油中有机前驱体的机械化学反应及其在滑动界面上的石墨化。这项工作将进行系统的研究,以了解接触压力、剪切速率、反应物分子结构和衬底材料的化学性质如何影响机械化学反应的产率和选择性,以及所生产薄膜的润滑性能。本研究的成果不仅将在极端条件润滑表面工程方面取得突破,而且还将推进摩擦化学的基础知识,这仍然是经验和定性的。
项目成果
期刊论文数量(0)
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会议论文数量(0)
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Seong Kim其他文献
HEART TRANSPLANT PATIENT OUTCOMES IN A LARGE SINGLE CENTER IN THE WEST COAST DURING THE COVID PANDEMIC
- DOI:
10.1016/s0735-1097(22)03120-5 - 发表时间:
2022-03-08 - 期刊:
- 影响因子:
- 作者:
Gabriel Esmailian;Jignesh K. Patel;Michelle Maya Kittleson;Nikhil Patel;Tahli Singer-Englar;Seong Kim;Lawrence S.C. Czer;Fardad Esmailian;Jon A. Kobashigawa - 通讯作者:
Jon A. Kobashigawa
Institutions for more sustainable cities: eco-efficiency and equity improvements for better environmental management
建设更可持续城市的机构:提高生态效率和公平性,以实现更好的环境管理
- DOI:
10.7282/t3kk9bhh - 发表时间:
2010 - 期刊:
- 影响因子:0
- 作者:
Seong Kim - 通讯作者:
Seong Kim
The Effects of Institutions on the Labour Market Outcomes: Cross-country Analysis
制度对劳动力市场结果的影响:跨国分析
- DOI:
- 发表时间:
2018 - 期刊:
- 影响因子:0
- 作者:
Yong;Seong Kim;Tae Bong Kim - 通讯作者:
Tae Bong Kim
An Enhanced Platform for Bioelectrochemical Systems: A Novel Approach to Characterize Lipid Structure on Graphene
- DOI:
10.1016/j.bpj.2017.11.579 - 发表时间:
2018-02-02 - 期刊:
- 影响因子:
- 作者:
Megan E. Farell;Maxwell Wetherington;Inseok Chae;Manish Shankla;Seong Kim;Aleksei Aksimentiev;Manish Kumar - 通讯作者:
Manish Kumar
Analysis of resin flow during nano-imprinting lithographic process
纳米压印光刻过程中树脂流动分析
- DOI:
- 发表时间:
2008 - 期刊:
- 影响因子:0
- 作者:
Joonhyeon Kang;Seong Kim;Y. S. Woo;W. Lee - 通讯作者:
W. Lee
Seong Kim的其他文献
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{{ truncateString('Seong Kim', 18)}}的其他基金
GOALI: Understanding Tribological Properties of Thermally-Synthesized Carbon
目标:了解热合成碳的摩擦学特性
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2315343 - 财政年份:2024
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$ 35万 - 项目类别:
Standard Grant
Understanding Mesoscale Structures of Nanocrystalline Domains in Silk using Sum Frequency Generation Vibrational Spectroscopy
使用和频产生振动光谱法了解丝绸中纳米晶域的介观结构
- 批准号:
2203635 - 财政年份:2022
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$ 35万 - 项目类别:
Continuing Grant
2022 Gordon Research Conference on Tribology: Understanding Sliding Interfaces to Master Tribological Systems Across Length Scales; Lewiston, Maine; 25 June to 1 July 2022
2022 年戈登摩擦学研究会议:了解滑动界面以掌握跨长度尺度的摩擦学系统;
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2222062 - 财政年份:2022
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$ 35万 - 项目类别:
Standard Grant
Collaborative Research: Mechanistic Understanding of Chemical Activation in Shear-Driven Manufacturing Processes
合作研究:剪切驱动制造过程中化学活化的机理理解
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2038494 - 财政年份:2021
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Mechanochemistry of Silicate Glass Surface: Mixed Modifier Effect on Resistance to Frictional Subsurface Damage
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2011410 - 财政年份:2020
- 资助金额:
$ 35万 - 项目类别:
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Collaborative Research: Understanding Run-In and Superlubricity of Diamond-Like Carbon Coatings from a Tribochemical Perspective
合作研究:从摩擦化学角度理解类金刚石碳涂层的磨合和超润滑性
- 批准号:
1912199 - 财政年份:2019
- 资助金额:
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Collaborative Research: Friction on 2D Materials -- Understanding the Critical Role of Edge Chemistry
合作研究:二维材料上的摩擦——了解边缘化学的关键作用
- 批准号:
1727571 - 财政年份:2017
- 资助金额:
$ 35万 - 项目类别:
Standard Grant
Fundamental Mechanisms for Mechanochemical Behaviors of Glass Surfaces - An Integrated Experimental and Computational Approach
玻璃表面机械化学行为的基本机制 - 综合实验和计算方法
- 批准号:
1609107 - 财政年份:2016
- 资助金额:
$ 35万 - 项目类别:
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Glass Surface Chemistry - Understanding Effects of Alkali Ions on Water Activity on Glass
玻璃表面化学 - 了解碱离子对玻璃水活度的影响
- 批准号:
1207328 - 财政年份:2012
- 资助金额:
$ 35万 - 项目类别:
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COLLABORATIVE RESEARCH EAGER: Sum-frequency generation (SFG) vibration study of structure and enzymatic hydrolysis activities of crystalline cellulose in biomass
合作研究热切:生物质中结晶纤维素的结构和酶水解活性的和频发生(SFG)振动研究
- 批准号:
1152824 - 财政年份:2011
- 资助金额:
$ 35万 - 项目类别:
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