Friction and Wear in Nanoscratching of Single Crystals: Effect of Adhesion and Plasticity
文献类型：期刊论文
| 作者 | Hu, Jianqiao2,3; Zeng, Qinglei1 |
| 刊名 | NANOMATERIALS
 |
| 出版日期 | 2022-12-01 |
| 卷号 | 12期号:23页码:13 |
| 关键词 | adhesion and plasticity friction coefficient wear rate molecular dynamics nanoscratch simulation |
| DOI | 10.3390/nano12234191 |
| 通讯作者 | Hu, Jianqiao(jianqiaohu@imech.ac.cn) ; Zeng, Qinglei(qzeng@bit.edu.cn) |
| 英文摘要 | Friction and wear are two main tribological behaviors that are quite different for contact surfaces of distinct properties. Conventional studies generally focus on a specific material (e.g., copper or iron) such that the tribological result is not applicable to the other contact systems. In this paper, using a group of virtual materials characterized by coarse-grained potentials, we studied the effect of interfacial adhesion and material plasticity on friction and wear by scratching a rigid tip over an atomic smooth surface. Due to the combined effects of adhesion and plasticity on the nanoscratch process, the following findings are revealed: (1) For shallow contact where interfacial adhesion dominates friction, both friction coefficient and wear rate increase as the adhesion increases to a critical value. For deep contact where plasticity prevails, the variation of friction coefficient and wear rate is limited as the adhesion varies. (2) For weak and strong interfacial adhesions, the friction coefficient exhibits different dependence on the scratch depth, whereas the wear rate becomes higher as the scratch depth increases. (3) As the material hardness increases, both the friction coefficient and wear rate decrease in shallow and deep contacts. |
| WOS关键词 | MOLECULAR-DYNAMICS ; BEHAVIOR ; COPPER |
| 资助项目 | National Natural Science Foundation of China ; [2020-JCJQ] ; [GFJQ2126-007] ; [12172358] |
| WOS研究方向 | Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics |
| 语种 | 英语 |
| WOS记录号 | WOS:000896222400001 |
| 资助机构 | National Natural Science Foundation of China |
| 源URL | [http://dspace.imech.ac.cn/handle/311007/91207]  |
| 专题 | 力学研究所_非线性力学国家重点实验室 |
| 通讯作者 | Hu, Jianqiao; Zeng, Qinglei |
| 作者单位 | 1.Inst Adv Struct Technol, Beijing Inst Technol, Beijing 100081, Peoples R China 2.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China 3.Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China |
| 推荐引用方式 GB/T 7714 | Hu, Jianqiao,Zeng, Qinglei. Friction and Wear in Nanoscratching of Single Crystals: Effect of Adhesion and Plasticity[J]. NANOMATERIALS,2022,12(23):13. |
| APA | Hu, Jianqiao,&Zeng, Qinglei.(2022).Friction and Wear in Nanoscratching of Single Crystals: Effect of Adhesion and Plasticity.NANOMATERIALS,12(23),13. |
| MLA | Hu, Jianqiao,et al."Friction and Wear in Nanoscratching of Single Crystals: Effect of Adhesion and Plasticity".NANOMATERIALS 12.23(2022):13. |
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。