関連する実験動画

Updated: May 8, 2026

Fabricating Metamaterials Using the Fiber Drawing Method
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Fabricating Metamaterials Using the Fiber Drawing Method

Published on: October 18, 2012

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小型のメソスケール連続GFRPメタマテリアルの高強度と多安定性:新しいモビウスストライプ構造

Zhenyu Li1, Hongze Li2, Weijing Wang3

  • 1School of Fashion and Textiles, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, 999077, P. R. China.

Advanced materials (Deerfield Beach, Fla.)
|September 1, 2025
PubMed
まとめ

モビウスにインスパイアされた新しい複合メタマテリアルは,繊維の方向性を最適化することによって,高い硬さ,強さ,および張力能力を達成します. この設計は,防音,適応性,機械的なスイッチングを提供し,構造工学の伝統的なトレードオフを克服します.

キーワード:
アコースティック・メカニカル・マルチ機能構造ヘテロモルフ構造マルチスタブルな構造再構成可能な構造小型メソスケール連続GFRPメタマテリアル

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Deformation occurs in axial and transverse directions when an axial load is applied to a slender bar. This deformation impacts the cubic element within the bar, transforming it into either a rectangular parallelepiped or a rhombus, contingent on its orientation. This transformation process induces shearing strain. Axial loading elicits both shearing and normal strains. Applying an axial load instigates equal normal and shearing stresses on elements oriented at a 45° angle to the load axis.
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The design of prismatic beams, structural elements with a uniform cross-section, focuses on ensuring safety and structural integrity under load. The design process begins by determining the allowable stress, either from material properties tables, or by dividing the material's ultimate strength by a safety factor. This safety factor is essential for accommodating uncertainties, and varies depending on the material—timber, steel, or concrete—with each having unique strength and...
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Fiber-reinforced concrete significantly enhances the structural and nonstructural properties of traditional concrete by incorporating fibers like steel, glass, and polymers. These fibers, varying from natural ones such as sisal and cellulose to manufactured ones like polypropylene and Kevlar, are mixed into hydraulic cement with aggregates. Steel fibers, often preferred for their robustness, contribute to improved ductility, toughness, and post-cracking performance. The concrete is classified...
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