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DOI | 10.1038/s41467-018-07601-3 |
Frequency-tunable toughening in a polymer-metal-ceramic stack using an interfacial molecular nanolayer | |
Kwan, Matthew1; Braccini, Muriel1,2; Lane, Michael W.3; Ramanath, Ganpati1 | |
2018-12-07 | |
发表期刊 | NATURE COMMUNICATIONS |
ISSN | 2041-1723 |
出版年 | 2018 |
卷号 | 9 |
文章类型 | Article |
语种 | 英语 |
国家 | USA; France |
英文摘要 | Interfacial toughening in composite materials is reasonably well understood for static loading, but little is known for cyclic loading. Here, we demonstrate that introducing an interfacial molecular nanolayer at the metal-ceramic interface of a layered polymer-metal-ceramic stack triples the fracture energy for similar to 75-300 Hz loading, yielding 40% higher values than the static-loading fracture energy. We show that this unexpected frequency-dependent toughening is underpinned by nanolayer-induced interface strengthening, which facilitates load transfer to, and plasticity in, the polymer layer. Above a threshold interfacial bond strength, the toughening magnitude and frequency range are primarily controlled by the frequency- and temperature-dependent rheological properties of the polymer. These results indicate the tunability of the toughening behavior through suitable choice of interfacial molecular layers and polymers. Our findings open up possibilities for realizing novel composites with inorganic-organic interfaces, e.g., arresting crack growth or stimulating controlled fracture triggered by loads with specific frequency characteristics. |
领域 | 资源环境 |
收录类别 | SCI-E |
WOS记录号 | WOS:000452633200008 |
WOS关键词 | FATIGUE-CRACK-GROWTH ; THIN-FILMS ; FRACTURE-BEHAVIOR ; DYNAMIC STRENGTH ; RATE DEPENDENCE ; ADHESION ; FIBER ; PROPAGATION ; COMPOSITES ; PLATFORM |
WOS类目 | Multidisciplinary Sciences |
WOS研究方向 | Science & Technology - Other Topics |
URL | 查看原文 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/204126 |
专题 | 资源环境科学 |
作者单位 | 1.Rensselaer Polytech Inst, Dept Mat Sci & Engn, Troy, NY 12180 USA; 2.Univ Grenoble Alpes, SIMaP, Grenoble INP, CNRS, F-38000 Grenoble, France; 3.Emory & Henry Coll, Dept Chem, Emory, VA 24327 USA |
推荐引用方式 GB/T 7714 | Kwan, Matthew,Braccini, Muriel,Lane, Michael W.,et al. Frequency-tunable toughening in a polymer-metal-ceramic stack using an interfacial molecular nanolayer[J]. NATURE COMMUNICATIONS,2018,9. |
APA | Kwan, Matthew,Braccini, Muriel,Lane, Michael W.,&Ramanath, Ganpati.(2018).Frequency-tunable toughening in a polymer-metal-ceramic stack using an interfacial molecular nanolayer.NATURE COMMUNICATIONS,9. |
MLA | Kwan, Matthew,et al."Frequency-tunable toughening in a polymer-metal-ceramic stack using an interfacial molecular nanolayer".NATURE COMMUNICATIONS 9(2018). |
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