The particle raft is a two-dimensional condensed soft matter,which is composed of hydrophobic solid particles floating on a liquid surface.In this study,we have realized to conduct tension and shear experiments on the...The particle raft is a two-dimensional condensed soft matter,which is composed of hydrophobic solid particles floating on a liquid surface.In this study,we have realized to conduct tension and shear experiments on the particle raft by using the self-assembled loading device.The crack initiation and propagation are observed by the camera,and the curve of the non-dimensional force with respect to the displacement is given.These experimental results have been compared with the particle flow code 3D(PFC3D)simulation,and they are in excellent agreement.It indicates that the particle raft possesses mechanical properties between solid and liquid.These findings provide some inspirations on engineering new devices and new materials at the microscale.展开更多
基金This work was supported by the National Natural Science Foundation of China(Grants 11672335 and 1197237)Open Fund of State key Laboratory Breeding Base for Mining Disaster Prevention and Control(MDPC201601)+1 种基金the Key R&D Program in Shandong Province(Grant 2019GHZ001)State Key Laboratory of Mining Disaster Prevention and Control Co-founded by Shandong Province and the Ministry of Science and Technology(Grant MDPC201601).
文摘The particle raft is a two-dimensional condensed soft matter,which is composed of hydrophobic solid particles floating on a liquid surface.In this study,we have realized to conduct tension and shear experiments on the particle raft by using the self-assembled loading device.The crack initiation and propagation are observed by the camera,and the curve of the non-dimensional force with respect to the displacement is given.These experimental results have been compared with the particle flow code 3D(PFC3D)simulation,and they are in excellent agreement.It indicates that the particle raft possesses mechanical properties between solid and liquid.These findings provide some inspirations on engineering new devices and new materials at the microscale.
