Results 41 to 50 of about 284,579 (270)
Stab-resistant body armor can effectively prevent sharp instruments from attacking the protected parts and reduce the threat to human bodies. Shear thickening fluid (STF) is a kind of smart material with variable viscosity and its viscosity can change ...
Rubin Wei, Bin Dong, Wen Zhai, Hui Li
doaj +1 more source
A through wall doppler radar system: active textile antenna design, prototyping and experiment [PDF]
Using garments as a platform for electronic sensing and communication systems opens up a wide range of novel and exciting applications. By carefully tailoring the antenna properties and by adopting a dedicated design strategy, a robust wearable antenna ...
Agneessens, Sam +6 more
core +1 more source
Effect of Fibre Type and Fabric Structure on Composite Materials Under Ballistic Shock Impact
This study analysed the effect of fibre type and fabric structure on the behaviour of aramid and ultra-high molecular weight polyethylene (UHMW PE) composite plates under ballistic shock loading.
Mehmet Karahan +2 more
doaj +1 more source
Numerical Modelling and Analysis of Ballistic Performance of a Multilayer Para-Aramid Packet [PDF]
The selection of the appropriate number of layers of textile ballistic package, in order to meet the required safety criteria according to the accepted class of bullet-proofness, is implemented mainly on the basis of experimental research in the ...
Justyna DOMINIAK, Zbigniew STEMPIEŃ
doaj +1 more source
The increase of flexible protective materials strength characteristics by electrophysical influences
We studied the strength of the individual threads in the longitudinal and transverse rupture, the state of threads, as well as the strength of a single layer of aramid fabric exposed to the piercing influence of the conical indenter.
Zlobina Irina, Bekrenev Nikolai
doaj +1 more source
This study intended to compare and analyze the Poisson's ratio and mechanical properties of aramid knit (ARNT), 3D printed auxetic re-entrant pattern (3DP-RE), and 2 types of composite fabrics manufactured with ARNT and 3DP-RE.
Imjoo Jung, Hyelim Kim, Sunhee Lee
doaj +1 more source
Potential contribution of high strength, high modulus aramid fibers to the commercial feasibility of lighter than air craft [PDF]
Kevlar aramid fiber, fabric, rope and cable performance are reviewed along with the economics relevant to the material, structural, and reliability aspects of lighter than air ...
Sturgeon, D. L. G., Venkatachalam, T. K.
core +1 more source
This paper introduces a scalable strategy for producing hierarchically aligned PBDT threads through wet‐spinning, controlled drawing, and post‐spinning twisting. Ionic crosslinking reinforces structural stability, whereas alignment and twisting optimize mechanical performance.
Woojae Jeong +5 more
wiley +1 more source
FLEXIBLE PANEL ASSEMBLY TECHNIQUES USED IN THE CONSTRUCTION OF AERODYNAMIC DECELERATOR [PDF]
A combat aircraft is stabilized by the parachute during its dangerous maneuvers such as spin, loss of speed (at low angles of incidence), vibration of the wings (at very high speeds).
JOMIR Mihaela +3 more
doaj
Hazards protection for space suits and spacecraft [PDF]
A flexible multi-layered covering article for protection against the hazards of exposure to the environment of outer space is disclosed. The covering includes an outer layer section comprising an outermost lamina of woven expanded tetrafluoroethylene ...
Dawn, Frederic S., Kosmo, Joseph J.
core +1 more source

