| Friction of stable gradient nano-grained metals | |
| Chen, X.1,2; Han, Z.1; Li, X. Y.1; Lu, K.1 | |
| Corresponding Author | Chen, X.(xiang.chen@njust.edu.cn) |
| 2020-08-01 | |
| Source Publication | SCRIPTA MATERIALIA
 |
| ISSN | 1359-6462 |
| Volume | 185Pages:82-87 |
| Abstract | In this paper, a novel strategy for lowering the coefficients of friction (COFs) of metals during dry sliding is introduced by producing a gradient nano-grained (GNG) surface layer without changing chemical compositions or phase constitution. Surface morphology variation, subsurface structural evolution and stress field analysis unfold that sliding-induced strain localization and microstructural instabilities are significantly mitigated through dislocation activity and grain boundary activities in the GNG surface layers. In addition, design guidelines for GNG materials with unprecedented low COFs are discussed based on interlinking tribological stress, surface deformation mechanisms and friction behavior. (C) 2020 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved. |
| Keyword | Gradient nano-grained (GNG) metals Coefficient of friction (COF) Surface roughening Subsurface structure stability Surface deformation mechanism |
| Funding Organization | National Key R&D Program of China ; Key Research Program of Chinese Academy of Sciences ; Liaoning Revitalization Talents Program |
| DOI | 10.1016/j.scriptamat.2020.04.041 |
| Indexed By | SCI |
| Language | 英语 |
| Funding Project | National Key R&D Program of China[2017YFA0204401] ; National Key R&D Program of China[2017YFA0204403] ; Key Research Program of Chinese Academy of Sciences[KGZDEW-T06] ; Liaoning Revitalization Talents Program[XLYC1808008] |
| WOS Research Area | Science & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering |
| WOS Subject | Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering |
| WOS ID | WOS:000539115800017 |
| Publisher | PERGAMON-ELSEVIER SCIENCE LTD |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.imr.ac.cn/handle/321006/139310 |
| Collection | 中国科学院金属研究所 |
| Corresponding Author | Chen, X. |
| Affiliation | 1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China 2.Nanjing Univ Sci & Technol, Nano & Heterogeneous Mat Ctr, Sch Mat Sci & Engn, Nanjing 210094, Peoples R China |
| Recommended Citation GB/T 7714 | Chen, X.,Han, Z.,Li, X. Y.,et al. Friction of stable gradient nano-grained metals[J]. SCRIPTA MATERIALIA,2020,185:82-87. |
| APA | Chen, X.,Han, Z.,Li, X. Y.,&Lu, K..(2020).Friction of stable gradient nano-grained metals.SCRIPTA MATERIALIA,185,82-87. |
| MLA | Chen, X.,et al."Friction of stable gradient nano-grained metals".SCRIPTA MATERIALIA 185(2020):82-87. |
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