Fractal breakage of porous carbonate sand particles: Microstructures and mechanisms
Abstract In situ, three-dimensional (3D) characterizations of particle breakage in porous
carbonate sands are presented, for the first time, with synchrotron-based micro computed …
carbonate sands are presented, for the first time, with synchrotron-based micro computed …
[HTML][HTML] Lightweight shear stiffening gel with enhanced mechanical and thermal-insulating performance for advanced fire suit
Herein, a lightweight and thermal-insulating shear stiffening gel (LT-SSG) with anti-impact
was prepared by introducing insulating glass microspheres BR20 into SSG. The density of …
was prepared by introducing insulating glass microspheres BR20 into SSG. The density of …
Experimental study on the coefficient of restitution of grain against block interfaces for natural and engineered materials
CS Sandeep, K Senetakis, D Cheung… - Canadian …, 2021 - cdnsciencepub.com
The coefficient of restitution (COR) is an important input parameter in the numerical
simulation of granular flows, as it governs the travel distance, the lateral spreading, and the …
simulation of granular flows, as it governs the travel distance, the lateral spreading, and the …
Dynamic breakage of double glass spheres chain subjected to impacting loading
C Miao, S Xu, J Lu, L Yuan, P Wang - International Journal of Mechanical …, 2022 - Elsevier
Strain energy releasing due to local failure plays an important role in the dynamic breakage
of the brittle medium. A series of experiments are conducted based on the Split Hopkinson …
of the brittle medium. A series of experiments are conducted based on the Split Hopkinson …
Effect of grain size and surface roughness on the normal coefficient of restitution of single grains
CS Sandeep, L Luo, K Senetakis - Materials, 2020 - mdpi.com
The coefficient of restitution (COR) represents the fraction of pre-collision kinetic energy
remained after the collision between two bodies. The COR parameter plays an important …
remained after the collision between two bodies. The COR parameter plays an important …
3D DEM analysis of analogue proppant–fractured rock system interaction
We investigated the interaction of proppant simulant (impactor) colliding on the surface of a
fractured rock by performing 3-dimensional discrete-based numerical simulations. The …
fractured rock by performing 3-dimensional discrete-based numerical simulations. The …
Characterisation of fracture evolution of a single cemented brittle grain using in-situ X-ray computed tomography
In this paper, the diametrical fragmentation of a single brittle glass bead cemented by ductile
epoxy resin is studied using in-situ X-ray computed tomography, focusing on the fractures …
epoxy resin is studied using in-situ X-ray computed tomography, focusing on the fractures …
An experimental study of aggregate shape effect on dynamic compressive behaviours of cementitious mortar
An experimental investigation is conducted to study the effect of aggregate shape on mortar
dynamic failure behaviours. Split Hopkinson bar device is employed to compress cylindrical …
dynamic failure behaviours. Split Hopkinson bar device is employed to compress cylindrical …
Laboratory and discrete‐based numerical investigation on the collision problem of impactor‐block systems with soft‐porous and hard‐crystalline analog rocks
We investigated experimentally the normal coefficient of restitution (COR) of impactors
colliding on the surfaces of two different blocks; a soft‐porous block composed of plaster (dry …
colliding on the surfaces of two different blocks; a soft‐porous block composed of plaster (dry …
[PDF][PDF] Al2O3 陶瓷动静态压缩下碎片形貌与破坏机理分析
谈瑞, 李海洋, 黄俊宇 - EXPLOSION AND SHOCK WAVES, 2020 - bzycj.cn
为探究Al2O3 陶瓷的宏观力学响应与破坏机理, 分别利用材料试验机和分离式霍普金森压杆对其
进行准静态和动态压缩实验, 同时通过原位光学成像观测试样的破坏过程, 并利用同步辐射CT …
进行准静态和动态压缩实验, 同时通过原位光学成像观测试样的破坏过程, 并利用同步辐射CT …