Failure modeling and sensitivity analysis of ceramics under impact

A Bhattacharjee, A Bhaduri… - Journal of …, 2021 - asmedigitalcollection.asme.org
A micromechanical multi-physics model for ceramics has been recalibrated and used to
simulate impact experiments with boron carbide in abaqus. The dominant physical …

Models for the behavior of boron carbide in extreme dynamic environments

KT Ramesh, L Graham‐Brady… - Journal of the …, 2022 - Wiley Online Library
We describe models for the behavior of hot‐pressed boron carbide that is subjected to
extreme dynamic environments such as ballistic impact. We first identify the deformation and …

Critical scaling of solid fragmentation at quasistatic and finite strain rates

JT Clemmer, MO Robbins - Physical Review Letters, 2022 - APS
Using two-dimensional simulations of sheared, brittle solids, we characterize the resulting
fragmentation and explore its underlying critical nature. Under quasistatic loading, a power …

Dynamic strength of copper at high pressures using pressure shear plate experiments

S Ravindran, V Gandhi, Z Lovinger, M Mello… - Journal of Dynamic …, 2021 - Springer
Measurement of strength at high pressures is critical to understanding the behavior of
materials subjected to extreme loading conditions. Recent developments have extended the …

The effects of carbonaceous inclusions and their distributions on dynamic failure processes in boron carbide ceramics

A Zare, P Malhotra, Q Yang, K Christian… - Journal of the …, 2023 - Wiley Online Library
Commercially available boron carbide ceramics typically have heterogeneous
microstructures that contain distributions of processing‐induced inclusions. The inclusions …

Dynamic failure mechanisms of granular boron carbide under multi-axial high-strain-rate loading

A Chauhan, X Sun, KT Ramesh, KJ Hemker - Scripta Materialia, 2019 - Elsevier
Boron carbide is an excellent protection material but it is also very brittle, and granular flow,
triggered by progressive fracture during impact, greatly influences its ballistic performance …

Superhigh-pressure fragments of metal nitride/carbide ceramic powders and their behavior under high-pressure and high-temperature sintering

H Xie, F Deng, H Wang, S Han - Powder Technology, 2021 - Elsevier
Metal nitride and/or carbide ceramic powders, TiC, TiN, TiCN, and TaC ceramic powders,
were selected as initial materials for simulation experiments of superhigh-pressure extrusion …

Rapid geometric characterization of ceramics fragments through split Hopkinson pressure bar tests

D Li, B Zhao, M Meng - International Journal of Applied …, 2024 - Wiley Online Library
The research on fracture mechanisms of brittle materials is extremely difficult such as the
determination of the energy absorption modes and the geometric characteristics of debris. In …

Effects of particle size, shape and loading rate on the normal compaction of an advanced granular ceramic

X Sun, BS Kuwik, Q Yang, S Chocron, RC Hurley… - Powder Technology, 2023 - Elsevier
Compaction behavior of granular materials is influenced by strain rate, particle size, and
shape. Here, boron carbide powders with different particle sizes under uni-axial strain …

Mesoscale simulations of pressure-shear loading of a granular ceramic

BJ Demaske - AIP Conference Proceedings, 2023 - pubs.aip.org
Numerical simulations of pressure-shear loading of a granular ceramic are performed using
the shock physics code CTH. A simple mesoscale model for the granular material is used …