Results 11 to 20 of about 1,539,658 (343)

Preparation and performance of random- and oriented-fiber membranes with core–shell structures via coaxial electrospinning

open access: yesFrontiers in Bioengineering and Biotechnology, 2023
The cells and tissue in the human body are orderly and directionally arranged, and constructing an ideal biomimetic extracellular matrix is still a major problem to be solved in tissue engineering.
Yunhuan Li   +8 more
doaj   +1 more source

Application Progress of Resonance Sound Absorption Structure in Aero Engines

open access: yesHangkong gongcheng jinzhan, 2019
Resonance sound absorption structure is a sandwich structure composed of perforated panel, honeycomb and rigid backplane. This structure is widely used in aircraft engine nacelle and has achieved good noise reduction effect.
Ji Shuangying, Hao Wei, Liu Jie
doaj   +1 more source

Development of a novel metastable composite material [PDF]

open access: yes, 2006
The development of a new family of mouldable metastable composite materials has been demonstrated. Their special quality is derived from the ability to maintain the matrix as a supercooled liquid or gel whose solidification can be triggered mechanically,
Bradley, G R, MacKenzie, P M
core   +1 more source

Linear-nonlinear stiffness responses of carbon fiber-reinforced polymer composite materials and structures: a numerical study [PDF]

open access: yes, 2021
The stiffness response or load-deformation/displacement behavior is the most important mechanical behavior that frequently being utilized for validation of the mathematical-physical models representing the mechanical behavior of solid objects in ...
Abdullah, Mohamed Ruslan   +6 more
core   +1 more source

Recent Advances in Colloidal Photonic Crystal-Based Anti-Counterfeiting Materials

open access: yesCrystals, 2019
Colloidal photonic crystal (PC)-based anti-counterfeiting materials have been widely studied due to their inimitable structural colors and tunable photonic band gaps (PBGs) as well as their convenient identification methods.
Mengyao Pan   +9 more
doaj   +1 more source

Microstructure, strength and toughness of C/SiC composite modified by PIP-SiC matrix

open access: yesJournal of Aeronautical Materials, 2020
The matrix of fiber bundle composite C/SiC was modified by the combination means of precursor infiltration and pyrolysis (PIP) and chemical vapor infiltration (CVI).
MENG Zhixin   +4 more
doaj   +1 more source

Effects of soaking time on the microstructure and mechanical properties of Nb-NbC/Fe core–shell rod-reinforced cast-iron-matrix composite fabricated through two-step in situ solid-phase diffusion

open access: yesJournal of Materials Research and Technology, 2020
To overcome the disadvantages of low toughness of conventional particle reinforced steel/iron-based composites, a novel niobium-niobium carbide/iron (Nb-NbC/Fe) core–shell rod-reinforced cast-iron-matrix composites were fabricated through two-step in ...
Lisheng Zhong   +4 more
doaj   +1 more source

Achieving ultra-broadband electromagnetic wave absorption in high-entropy transition metal carbides (HE TMCs)

open access: yesJournal of Advanced Ceramics, 2022
Electronic devices pervade everyday life, which has triggered severe electromagnetic (EM) wave pollution. To face this challenge, developing EM wave absorbers with ultra-broadband absorption capacity is critically required.
Weiming Zhang   +5 more
doaj   +1 more source

Complex effective permittivity of a lossy composite material [PDF]

open access: yes, 1996
In recent work, boundary integral equations and finite elements were used to study the (real) effective permittivity for two-component dense composite materials in the quasistatic limit.
Beroual, Abderrahmane   +3 more
core   +3 more sources

On the interest of using degradable fillers in co-ground composite materials [PDF]

open access: yes, 2009
The article presents the results of a study whose objective is to show the interest of using vegetable and biodegradable fillers in composite materials.
Le Bolay, Nadine   +2 more
core   +3 more sources

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