Effect of plasticity on nanoscale wear of third-body particles | |
Hu JQ(胡剑桥)1,2; Yuan FP(袁福平)1,2; Liu XM(刘小明)1,2; Wei YG(魏悦广)3 | |
通讯作者 | Liu, Xiaoming(xiaomingliu@imech.ac.cn) |
发表期刊 | TRIBOLOGY INTERNATIONAL |
2021-03-01 | |
卷号 | 155页码:9 |
ISSN | 0301-679X |
摘要 | Understanding third-body wear is difficult when the size of the third-body particle reaches nanoscale, because the plasticity produced at the nanoscale exhibits a size effect resulting from the dislocation plasticity in a finite volume. Through molecular dynamics simulations, we observed that dislocation plasticity induces two failure patterns of the third-body wear: brittle failure due to highly localized deformation in mildly compressive particles and ductile failure due to exfoliation-like deformation in severely compressed particles. During the wear process, the deformation of third-body particle shows better ductility as the particle size increases. Due to the highest dislocation plasticity, the wear volume reaches the maximum at the critical compressive strain of -13%. In addition, a size-independent wear rate is observed for the third-body wear. |
关键词 | Third-body nanoparticle Wear mechanism Dislocation plasticity Brittle-to-ductile transition |
DOI | 10.1016/j.triboint.2020.106739 |
收录类别 | SCI ; EI |
语种 | 英语 |
WOS记录号 | WOS:000612138000003 |
关键词[WOS] | TRIBOLOGICAL PROPERTIES ; NANOPARTICLES ; ADDITIVES ; FRICTION |
WOS研究方向 | Engineering |
WOS类目 | Engineering, Mechanical |
资助项目 | National Natural Science Foundation of China, Basic Science Center Program for Multiscale Problems in Nonlinear Mechanics[11988102] ; Youth Innovation Promotion Association CAS[2018022] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB22040501] ; National Key Laboratory of Science and Technology on Advanced Composites in Special Environments, Harbin Institute of Technology[6142905180110] ; National Natural Science Foundation of China[11802310] ; National Natural Science Foundation of China[11972347] ; National Natural Science Foundation of China[11772334] |
项目资助者 | National Natural Science Foundation of China, Basic Science Center Program for Multiscale Problems in Nonlinear Mechanics ; Youth Innovation Promotion Association CAS ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Key Laboratory of Science and Technology on Advanced Composites in Special Environments, Harbin Institute of Technology ; National Natural Science Foundation of China |
论文分区 | 一类 |
力学所作者排名 | 1 |
RpAuthor | Liu, Xiaoming |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://dspace.imech.ac.cn/handle/311007/86131 |
专题 | 非线性力学国家重点实验室 |
作者单位 | 1.Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China; 2.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China; 3.Peking Univ, Coll Engn, Dept Mech & Engn Sci, Beijing 100871, Peoples R China |
推荐引用方式 GB/T 7714 | Hu JQ,Yuan FP,Liu XM,et al. Effect of plasticity on nanoscale wear of third-body particles[J]. TRIBOLOGY INTERNATIONAL,2021,155:9. |
APA | 胡剑桥,袁福平,刘小明,&魏悦广.(2021).Effect of plasticity on nanoscale wear of third-body particles.TRIBOLOGY INTERNATIONAL,155,9. |
MLA | 胡剑桥,et al."Effect of plasticity on nanoscale wear of third-body particles".TRIBOLOGY INTERNATIONAL 155(2021):9. |
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