Recent advances in polyurea elastomers and their applications in blast protection: a review

L Ding, Y Wang, J Lin, M Ma, J Hu, X Qiu, C Wu… - Journal of Materials …, 2024 - Springer
Polyurea elastomers exhibit superior mechanical properties due to their unique molecular
structure, including significant tensile strength, elongation at break, and efficient energy …

Effect of polyurea coating with different mechanical properties on blast resistance of aluminum alloy circular tube structures: Experiments vs numerical simulations

L Zhang, X Wang, C Ji, Y Wang, G Yang, C Zhao… - Thin-Walled …, 2023 - Elsevier
Polyurea has attracted extensive attention in the field of anti-blast protection over the past
few years. Two types of polyurea were prepared and their quasi-static and dynamic …

Failure mode and blast resistance of polyurea coated metallic cylinders under internal multi-field coupled loading

M Liang, M Zhou, Z Qi, X Li, Y Lin, F Lu, Z Li - Thin-Walled Structures, 2023 - Elsevier
The failure mode and blast resistance of polyurea-coated metallic cylinders were
investigated under internal multi-field coupled loading. Experiments were conducted to …

High-velocity projectile impact response of rubber-coated aramid Twaron fabrics

D Weerasinghe, MR Bambach, D Mohotti… - International Journal of …, 2022 - Elsevier
The impact response of aramid Twaron CT709 fabrics thinly coated with a commercially
available spray-on rubber material has been studied for the first time. Both neat and rubber …

Experimental study on the impact response of the polyurea-coated 3D auxetic lattice sandwich panels subjected to air explosion

Z Zhang, Z Zhang, X Huang - Composite Structures, 2023 - Elsevier
A series of air explosion experiments were carried out on the 3D polyurea-coated auxetic
lattice sandwich panels in order to combine the advantages of auxetic materials and …

Recent Developments in Polyurea Research for Enhanced Impact Penetration Resistance and Blast Mitigation

Y Wang, L Ding, J Lin, X Qiu, C Wu, C Liu, Y Tian… - Polymers, 2024 - mdpi.com
Polyurea has gained significant attention in recent years as a functional polymer material,
specifically regarding blast and impact protection. The molecular structure of polyurea is …

G-UHPC slabs strengthened with high toughness and lightweight energy absorption materials under contact explosions

J Liu, C Liu, S Xu, J Li, J Fang, Y Su, C Wu - Journal of Building …, 2022 - Elsevier
This study investigates the dynamic characteristics of geopolymer-based ultra-high
performance concrete (G-UHPC) slabs strengthened with high toughness and lightweight …

Study on the blast-resistance of polyurea-steel plates subjected to underwater explosion

J Liu, F An, Z Niu, L Zhang, B Feng, Y Li, C Wu - Ocean Engineering, 2022 - Elsevier
The mitigation of damage to ship hulls due to underwater explosions (UNDEX) has attracted
more and more attention. Spraying polyurea on steel plates has been proven to be an …

Development of a coated fabric armour system of aramid fibre and rubber

D Weerasinghe, MR Bambach, D Mohotti, H Wang… - Thin-Walled …, 2022 - Elsevier
Ballistic impact tests were conducted on polymer-coated multi-layer fabric targets using
0.357 SIG projectiles. The effect of fatigue loading on the yarn pull-out force of coated …

[HTML][HTML] Analysis and design for the comprehensive ballistic and blast resistance of polyurea-coated steel plate

D Chu, Y Wang, S Yang, Z Li, Z Zhuang, Z Liu - Defence Technology, 2023 - Elsevier
Fragments and blast waves generated by explosions pose a serious threat to protective
structures. In this paper, the impact resistance of polyurea-coated steel plate under complex …