Polyurea for blast and impact protection: A review

R Zhang, W Huang, P Lyu, S Yan, X Wang, J Ju - Polymers, 2022 - mdpi.com
Polyurea has attracted extensive attention from researchers and engineers in the field of
blast and impact protection due to its excellent quasi-static mechanical properties and …

Impact Behavior of Advanced Films under Micro-and Nano-scales: A Review

Y Cheng, J Dong, K Xiao, M Jiang, C Huang… - Thin-Walled Structures, 2024 - Elsevier
High-performance materials with excellent impact resistance are of fundamental importance
in impact protective engineering. With the development of experimental facilities and …

On exploiting nonparametric kernel-based probabilistic machine learning over the large compositional space of high entropy alloys for optimal nanoscale ballistics

KK Gupta, S Barman, S Dey, S Naskar… - Scientific Reports, 2024 - nature.com
The large compositional space of high entropy alloys (HEA) often presents significant
challenges in comprehensively deducing the critical influence of atomic composition on their …

[HTML][HTML] Probing the molecular-level energy absorption mechanism and strategic sequencing of graphene/Al composite laminates under high-velocity ballistic impact …

KK Gupta, T Mukhopadhyay, S Dey - Applied Surface Science, 2023 - Elsevier
Motivated by recent discoveries concerning the extreme superiority of multilayer graphene in
terms of kinetic energy dissipation compared to conventional monolithic materials, this …

Strengthening and converse strengthening effects of polyurea layer on polyurea–steel composite structure subjected to combined actions of blast and fragments

L Zhang, C Ji, X Wang, Y Wang, G Wu, H Zhu… - Thin-Walled Structures, 2022 - Elsevier
Coating polyurea can significantly enhance the blast and impact resistance of thin-walled
metal structures. However, most current research focuses only on the condition of single …

Energy absorption mechanisms of nanoscopic multilayer structures under ballistic impact loading

MAN Dewapriya, RE Miller - Computational Materials Science, 2021 - Elsevier
We conducted large-scale molecular dynamics (MD) simulations of ballistic impact tests on
ultrathin aluminum and polyurea layers and their multilayer arrangements to investigate the …

Molecular dynamics study of the penetration resistance of multilayer polymer/ceramic nanocomposites under supersonic projectile impacts

MAN Dewapriya, RE Miller - Extreme Mechanics Letters, 2021 - Elsevier
We simulated ballistic impact tests of multilayer polyurea/silicon-carbide (SiC)
nanostructures using molecular dynamics (MD). First, we conducted density functional …

Molecular dynamics simulations of shock propagation and spallation in amorphous polymers

MAN Dewapriya, RE Miller - Journal of Applied …, 2021 - asmedigitalcollection.asme.org
We conducted large-scale molecular dynamics (MD) simulations of shock wave propagation
and spallation in amorphous polyurethane and polyurea. First, we computed the shock …

Atomic insights into shock-induced spalling of polyurea by molecular dynamics simulation

K Yao, Z Liu, Z Zhuang - Extreme Mechanics Letters, 2022 - Elsevier
Some block-copolymer elastomers are regarded as competitors to metal for lightweight
impact protection design. However, the microscopic spalling mechanism of polymer is still …

Correlating Young's Modulus with High Thermal Conductivity in Organic Conjugated Small Molecules

J Zeng, T Liang, J Zhang, D Liu, S Li, X Lu, M Han… - Small, 2024 - Wiley Online Library
Attaining elevated thermal conductivity in organic materials stands as a coveted objective,
particularly within electronic packaging, thermal interface materials, and organic matrix heat …