Zobrazeno 1 - 10
of 594
pro vyhledávání: '"quasi-isotropic"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-23 (2024)
Abstract Eco-friendly natural fiber composites, such as basalt fiber composites, are gaining traction in material science but remain vulnerable to environmental degradation. This study investigates the mechanical and vibrational properties of quasi-i
Externí odkaz:
https://doaj.org/article/ce27cdac596b41db97666d18d2faff0b
Publikováno v:
Cogent Engineering, Vol 11, Iss 1 (2024)
This research explores the effects of moisture absorption on the mechanical and vibrational performance of Kevlar-basalt/epoxy laminates, which are significant for their strength-to-weight ratio yet susceptible to hygrothermal aging. The quasi-isotro
Externí odkaz:
https://doaj.org/article/cf4514b95ac3435e93b88722ab0875d8
Publikováno v:
IEEE Open Journal of Antennas and Propagation, Vol 5, Iss 1, Pp 58-66 (2024)
In this paper, a novel dual-slant polarized three-dimensional (3D) periodic Luneburg lens with a diameter of 390 mm ( $4.6\lambda _{0}$ at 3.55 GHz) is presented. Copper-plated cubes with truncated corners are placed in a body-centered cubic (BCC) la
Externí odkaz:
https://doaj.org/article/3acc58d3ec4347e3b5040e62f6471393
Autor:
U.A. Khashaba
Publikováno v:
Alexandria Engineering Journal, Vol 81, Iss , Pp 290-303 (2023)
This study aimed to investigate the impact of some practical assembly errors on the performance of composite joints with M6 bolts in quasi-isotropic CFRP laminates with stacking sequence of [±45/0/90]2S, which are increasingly used in aerospace and
Externí odkaz:
https://doaj.org/article/30d7df85bb6343089fa73faf44486e0b
Publikováno v:
Cogent Engineering, Vol 10, Iss 1 (2023)
AbstractHybrid polymer laminates employed in advanced engineering fields are susceptible to atmospheric conditions, such as moisture and temperature throughout their service life, which may impact their mechanical and damping properties. This researc
Externí odkaz:
https://doaj.org/article/a977fd648bd44054bf626d49a907a007
Publikováno v:
IEEE Open Journal of Antennas and Propagation, Vol 4, Pp 484-491 (2023)
Internet of Things (IoT) devices require orientation insensitive communication and a small footprint. Wireless communication should be maintained across the whole operation band, hence electrically small antennas (ESAs) with wideband radiation isotro
Externí odkaz:
https://doaj.org/article/bc2ec4a7abf94aa7b2dea0a7832f67cd
Publikováno v:
IEEE Open Journal of Antennas and Propagation, Vol 3, Pp 812-823 (2022)
THE Internet of Things (IoT) is expected to connect billions of objects to the Internet so that they can take informed decisions without human intervention [1]. These IoT devices usually implement wireless communication protocols under the IEEE 802 f
Externí odkaz:
https://doaj.org/article/109705f18ca54631bcb971c66653927b
Publikováno v:
Advanced Manufacturing: Polymer & Composites Science, Vol 9, Iss 1 (2023)
AbstractFiber-reinforced polymer (FRP) composites are utilized as a substitute material for metal structures in maritime industries. The durability of composites depends on varying harsh marine environments. The continuous exposure of FRPs to the har
Externí odkaz:
https://doaj.org/article/de90c266a95e4a29a7eb567e8be838a1
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 89, Iss 917, Pp 22-00263-22-00263 (2023)
In this study, quasi-isotropic (QI) laminates were fabricated using two types of PA6/CF thin-ply prepregs with different fiber/matrix interfacial properties, and Charpy impact tests and falling weight impact tests were conducted. The effects of layer
Externí odkaz:
https://doaj.org/article/379825b38e5345dd8d0481c6b17dcd78
Akademický článek
Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
K zobrazení výsledku je třeba se přihlásit.
K zobrazení výsledku je třeba se přihlásit.