Energy requirement for rock breakage in laboratory experiments and engineering operations: A review

ZX Zhang, F Ouchterlony - Rock mechanics and rock engineering, 2022 - Springer
Based on the review of a wide range of literature, this paper finds that:(1) the average
specific surface energy of various single crystals is only 0.8 J/m 2.(2) The average specific …

Grain-based discrete element method (GB-DEM) modelling of multi-scale fracturing in rocks under dynamic loading

XF Li, QB Zhang, HB Li, J Zhao - Rock Mechanics and Rock Engineering, 2018 - Springer
This study aims to explore dynamic behaviours of fracturing and damage evolution of rock
materials at the grain scale. A grain-based discrete element method (GB-DEM) is proposed …

Dynamic fragmentation of rock material: characteristic size, fragment distribution and pulverization law

XF Li, HB Li, QB Zhang, JL Jiang, J Zhao - Engineering Fracture Mechanics, 2018 - Elsevier
In this study, the dynamic fragmentation of granites at strain rates of 40–150/s is explored by
using SHPB apparatus. Two mechanical classes (ie class I and class II) are observed from …

Failure mechanisms of ceramics under quasi-static and dynamic loads: Overview

S Bavdekar, G Subhash - Handbook of damage mechanics: nano to macro …, 2022 - Springer
In the last few decades, a variety of brittle materials (ceramics and glasses) have found new
applications in the armor, nuclear and semiconductor, and energy storage industries …

Strain-rate-dependent compressive and compression-shear response of an alumina ceramic

J Zheng, M Ji, Z Zaiemyekeh, H Li, JD Hogan - Journal of the European …, 2022 - Elsevier
This paper assessed the microstructure and properties of CeramTec ALOTEC 98 SB
alumina ceramic through microscopic characterization and mechanical experiments. The …

On the microstructure-dependency of mechanical properties and failure of low-pressure cold-sprayed tungsten carbide-nickel metal matrix composite coatings

G Munday, J Hogan, A McDonald - Surface and Coatings Technology, 2020 - Elsevier
This study improves upon understanding of the effects of reinforcing particle content and
microstructure on the mechanical properties and failure of low-pressure cold spray …

Mechanical impact characteristics of hollow shell granule based on continuous damage theory

X Man, L Li, Y Zeng, Y Tang, J Yang, X Fan, Y Zhang… - Powder Technology, 2023 - Elsevier
Walnut, which is one of specific hollow shell granules, is inevitably subjected to damage
deriving from repeated impacts in postharvest and processing. In this regard, the existence …

Fragmentation of an advanced ceramic under ballistic impact: Mechanisms and microstructure

JD Hogan, L Farbaniec, D Mallick, V Domnich… - International journal of …, 2017 - Elsevier
In this paper, the impact-induced fragmentation of a commercially available hot-pressed
boron carbide is explored. Fragmentation has been noted previously by many authors to be …

Energy partitioning, dynamic fragmentation, and off‐fault damage in the earthquake source volume

SE Johnson, WJ Song, SS Vel… - … Research: Solid Earth, 2021 - Wiley Online Library
Seismological fracture or breakdown energy represents energy expended in a volume
surrounding the advancing rupture front and the slipping fault surface. Estimates are …

Strain rate effects on fragment morphology of ceramic alumina: A synchrotron-based study

JY Huang, CK Lin, YL Bian, HL Xie, HW Chai… - International Journal of …, 2024 - Elsevier
Abstract Dynamic (600–1000 s− 1) and quasi-static (0.001–0.01 s− 1) compression
experiments are conducted on a high-purity alumina ceramic using a split Hopkinson …