| Title | A bridging law and its application to the analysis of toughness of carbon nanotube-reinforced composites and pull-out of fibres grafted with nanotubes |
| Authors | Wang, Jianxiang Tong, Liyong Karihaloo, Bhushan L. |
| Affiliation | Peking Univ, State Key Lab Turbulence & Complex Syst, Beijing 100871, Peoples R China. Peking Univ, Ctr Appl Phys & Technol, Coll Engn, Dept Mech & Engn Sci, Beijing 100871, Peoples R China. Univ Sydney, Sch Aerosp Mech & Mechatron Engn, Sydney, NSW 2006, Australia. Cardiff Univ, Sch Engn, Cardiff CF24 3AA, Wales. |
| Keywords | Bridging law Carbon nanotube composite Pull-out of fibre Toughening mechanism CERAMIC-MATRIX COMPOSITES I DELAMINATION TOUGHNESS POLYMER COMPOSITES HIERARCHICAL COMPOSITES MECHANICAL-PROPERTIES STRESS TRANSFER LAMINATED COMPOSITES FRACTURE-TOUGHNESS LOAD-TRANSFER TRACTION LAW |
| Issue Date | 2016 |
| Publisher | ARCHIVE OF APPLIED MECHANICS |
| Citation | ARCHIVE OF APPLIED MECHANICS.2016,86,(1-2,SI),361-373. |
| Abstract | Bridging laws are essential in predicting the mechanical behaviour of conventional short-fibre-reinforced composites and the emerging nanofibre-reinforced composites. In this paper, we first review some studies on the toughness of carbon nanotube-reinforced composites that is induced by the pull-out of the nanotubes from the matrix, and on the development of the corresponding bridging laws. A close examination of the available bridging laws for carbon nanotubes reveals that some fundamental issues need to be further addressed. We propose a simple nonlinear and smooth bridging law to describe the pull-out force-displacement behaviour of carbon nanotubes from a matrix. This law contains only two material parameters, reflects the basic features of the pull-out experiments, and is easy to use. We then use this bridging law to calculate the fracture toughness of carbon nanotube-reinforced nanocomposites and predict the pull-out force-displacement response of conventional short fibres that are grafted with carbon nanotubes. Some parametric studies are conducted to reveal the influence of various parameters at the nano- and micro-scale on these properties. |
| URI | http://hdl.handle.net/20.500.11897/437872 |
| ISSN | 0939-1533 |
| DOI | 10.1007/s00419-015-1100-x |
| Indexed | SCI(E) EI |
| Appears in Collections: | 湍流与复杂系统国家重点实验室 工学院 |
