Interference effect on friction behavior of asperities on single crystal copper
文献类型：期刊论文
| 作者 | Liu XM(刘小明) ; Zhang B; Wei YG(魏悦广)
|
| 刊名 | Tribology International
 |
| 出版日期 | 2014-12 |
| 卷号 | 81期号:1页码:169-178 |
| 通讯作者邮箱 | xiaomingliu@lnm.imech.ac.cn; beenchang@nuaa.edu.cn; ywei@imech.ac.cn |
| 关键词 | Friction transition Plastic behavior Green function molecular dynamics Asperity interference |
| ISSN号 | 0301-679X |
| 产权排序 | [Liu, Xiaoming; Wei, Yueguang] Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China; [Zhang, Bin] Nanjing Univ Aeronaut & Astronaut, Coll Aerosp Engn, State Key Lab Mech & Control Mech Struct, Nanjing 210016, Jiangsu, Peoples R China |
| 通讯作者 | Liu, XM (reprint author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China. |
| 中文摘要 | By using Green function molecular dynamics method, we systematically study the friction behavior of a single asperity and asperity array over the (1 1 1) surface of single crystal copper. We find that internal plastic behavior (burst of stacking faults, dislocation emission and propagation) is a promising reason for the higher value of static friction coefficient than that of dynamics friction in non-adhesive scratch. For the rough surface, however, the difference between static and dynamic friction coefficients disappear due to the interference between asperities. The interference dramatically increases the friction coefficient by introducing atomic scale plastic features (pile-up atoms, stacking faults, and U-shape dislocation loop). (C) 2014 Elsevier Ltd. All rights reserved. |
| 分类号 | 二类 |
| 类目[WOS] | Engineering, Mechanical |
| 研究领域[WOS] | Engineering |
| 关键词[WOS] | MOLECULAR-DYNAMICS SIMULATIONS ; ATOMIC-SCALE ; CONTACT ; ROUGHNESS ; NANOSCALE |
| 收录类别 | SCI ; EI |
| 资助信息 | This work was supported by National Basic Research Program of China through 2012CB937500, and by the National Natural Science Foundation of China (Grant no.11202214, no. 91216108, no. 11372131), by State Key Laboratory of Mechanics and Control of Mechanical Structures(NUAA Grant no. MCMS-0114G01). Insightful discussions about applying Green function method with Prof. M.H. Muser and Prof. L.T. Kong are gratefully acknowledged. Authors thank Prof. Yujie Wei for useful comments. |
| 原文出处 | http://dx.doi.org/10.1016/j.triboint.2014.08.007 |
| 语种 | 英语 |
| WOS记录号 | WOS:000345469200018 |
| 公开日期 | 2015-01-08 |
| 源URL | [http://dspace.imech.ac.cn/handle/311007/49458]  |
| 专题 | 力学研究所_非线性力学国家重点实验室 |
| 推荐引用方式 GB/T 7714 | Liu XM,Zhang B,Wei YG. Interference effect on friction behavior of asperities on single crystal copper[J]. Tribology International,2014,81(1):169-178. |
| APA | Liu XM,Zhang B,&Wei YG.(2014).Interference effect on friction behavior of asperities on single crystal copper.Tribology International,81(1),169-178. |
| MLA | Liu XM,et al."Interference effect on friction behavior of asperities on single crystal copper".Tribology International 81.1(2014):169-178. |
入库方式： OAI收割
来源：力学研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。