Results 21 to 30 of about 123,511 (269)

Effect of fiber orientation and reinforcements on the performance of composite pressure vessel using finite element analysis

Cogent Engineering
Building filament-wound composite composites is challenging in terms of manufacturing and structural integrity. In this work, an attempt was made to determine the effect of different fibers in various orientations in a multilayered composite for use in a
Jonathan Monteiro, Suhas Yeshwant Nayak, Kevin Amith Mathias, Nilesh Patil, Abhiyan Singh, Ajinkya Chaudhari, Pranav Sudheer   +6 more
doaj   +1 more source

Titanocene‐Promoted Eliminations on Epoxy Alcohols and Epoxy Esters

European Journal of Organic Chemistry, 2010
AbstractThe reaction of a series of 2,3‐epoxy alcohols and the corresponding formates, acetates, and benzoates promoted by Cp2TiCl has been studied. The different outcome of the reaction of epoxy derivatives has been rationalized in terms of mechanistically biased processes.
Fernández Mateos, Alfonso, Encinas Madrazo, Soledad, Herrero Teijón, Pablo, Rubio González, María Rosa   +3 more
openaire   +2 more sources

A Numerical–Experimental Approach for Multi‐Matrix Fiber‐Reinforced Plastics Characterization Using Finite Element Model Updating

Advanced Engineering Materials, EarlyView.
A numerical–experimental framework is developed for characterizing multi‐matrix fiber‐reinforced polymers (MM‐FRPs) combining epoxy and polyurethane matrices. Harmonic bending tests are integrated with finite element model updating (FEMU) to simultaneously identify elastic and viscoelastic material parameters.
Rodrigo M. Dartora, Tales V. Lisbôa, Axel Spickenheuer, Rogério J. Marczak, Jakson M. Vassoler   +4 more
wiley   +1 more source

Gecko's Toes‐Inspired High‐Adhesive and Self‐Healable Elastomer in Marine Conditions: Humidity‐Triggered Crosslinking and Damage Sensing

SmartMat
The development of smart materials capable of underwater self‐healing, mechanical robustness and damage‐healing sensing attributes holds great promise for applications in marine energy exploitation.
Sihan Gu, Dezhi Jiao, Li Cheng, Enkang Wu, Zhengsen Wang, Lanyue Cui, Chengbao Liu   +6 more
doaj   +1 more source

EPOXY RESINS AND TOUGHENING METHODS OF EPOXY RESINS

, 2023
Epoxy resins (EPs) stand at the forefront as the preeminent thermosetting materials, owing to their inherent stability, both mechanically and chemically, coupled with resistance attributes to heat, corrosion, and electrical challenges (Zhao et al., 2022; Sukanto et al., 2021; Kim et al., 2018; Chen et al., 2020). 
KURT, Barış, EVCİL, Murat, BARAN, Mehmet Fırat   +2 more
openaire   +1 more source

Adaptive Foam 3D Printing of Ultralight and Multifunctional Materials

Advanced Engineering Materials, EarlyView.
Adaptive foam 3D printing, enabled by expandable microspheres, imparts cellular structures to thermoplastic and thermosetting polymers, manufactured through a variety of processes including fused filament fabrication, direct ink writing, digital light processing, and inkjet printing.
Nariman Rajabifar, Amir Ameli
wiley   +1 more source

FeCoNiCuPt High‐Entropy Alloy Boosts Photocatalytic Hydrogen Production on Protonated Graphitic Carbon Nitride

Advanced Science
Among viable approaches to address the current energy crisis, photocatalytic water splitting to produce hydrogen (H2) stands out as a promising strategy for converting solar energy into storable chemical energy.
Yunzhu Zang, Jiali Ren, Yanjun Xue, Jian Tian   +3 more
doaj   +1 more source

The effect of epoxy excess on the kinetics of an epoxy–anhydride system

Journal of Applied Polymer Science, 2002
AbstractThe uncatalyzed cure of a commercial tetrafunctional epoxy monomer TGDDM (N,N,N′,N′‐tetraglycidyl‐4,4′‐diaminodiphenylmethane) with hexahydrophthalic anhydride (HHPA), using variable stoichiometric ratios is reported. The reaction was followed by differential scanning calorimetry (DSC). Two kinds of experiments were performed: (1) fresh samples
Mauri, Adriana Noemi, Riccardi, Carmen Cristina   +1 more
openaire   +2 more sources

Gallium Microalloying in Bi–Sn Solders: Interfacial Phase Formation, Wettability, and Long‐Term Shear Reliability Under Isothermal Aging

Advanced Engineering Materials, EarlyView.
Gallium microalloying redirects interfacial reactions in low‐temperature Bi–Sn solders from Cu–Sn toward Cu–Ga intermetallic formation. The resulting Cu–Ga layer suppresses intermetallic growth during thermal aging, alters fracture pathways, and improves interfacial stability.
Iva Králová, Markéta Klimtová, Mohd Faizul Mohd Sabri, Yew Hoong Wong, Petr Veselý, Martin Plaček, Karel Dušek   +6 more
wiley   +1 more source

Bimetallic Synergy in Cocatalyst Alloy Nanoparticles for Efficient Photocatalytic Hydrogen Production

EcoEnergy
A bimetallic NiAg alloy is assembled on the surface of Zn3In2S6 to construct a NiAg‐Zn3In2S6 composite using a chemical reduction method. By adjusting the different alloy ratios, the hydrogen evolution activity of the optimum Ni0.25Ag0.75‐Zn3In2S6 ...
Zhihui Yang, Jiali Ren, Yanjun Xue, Xinyu Wang, Jian Tian   +4 more
doaj   +1 more source