Results 31 to 40 of about 154,339 (294)

Effect of different types of water soaking and re-drying on mechanical properties of glass fiber-epoxy composites

open access: yesCogent Engineering, 2023
Fiber-reinforced polymer (FRP) composites undergo different environmental conditions in the designed life span. An investigation on aging of FRPs in water helps to enhance the material’s durability.
U Achutha Kini   +3 more
doaj   +1 more source

Pengaruh posisi dan fraksi volumetrik fiber polyethylene terhadap kekuatan fleksural fiber reinforced composite (The effect of position and volumetric fraction polyethylene fiber on the flexural strength of fiber reinforced composite)

open access: yesDental Journal, 2014
Background: Composite resin is a combination of filler and matrix. The additional of fiber in the composite resin has a function as load-bearing in mastication.
Catur Septommy   +2 more
doaj   +1 more source

STUDY OF MECHANICAL PROPERTIES OF BANANA-COIR HYBRID COMPOSITE USING EXPERIMENTAL AND FEM TECHNIQUES [PDF]

open access: yesJournal of Mechanical Engineering and Sciences, 2013
The use of natural fibers as reinforcement in polymers has gained importance in recent years due to their eco-friendly nature. Thus, an investigation has been undertaken on banana-coir, which is a natural fiber abundantly available in India.
T. Hariprasad   +2 more
doaj  

Passive Metasurface Tweezers for Multi-Scale Orbital Transport and Trapping on Elastic Plates. [PDF]

open access: yesAdv Sci (Weinh)
Passive labyrinthine phase encoding converts single‐channel excitation into localized flexural‐wave vortices with programmable orbital angular momentum. The resulting vortex fields enable cross‐scale particle manipulation, including orbital transport, central confinement, and rotational actuation.
Bi Z   +7 more
europepmc   +2 more sources

Flexural Behavior of 3D‐Printed Porous Bouligand‐Structured Polymers: Influence of Pitch Angle and Porosity

open access: yesAdvanced Engineering Materials, EarlyView.
This study examines how helicoidal architectures with different porosities respond to bending. Adjusting layer angle and spacing in 3D‐printed polymers reveals clear tradeoffs between stiffness, strength, and energy absorption. Experiments and simulations highlight designs that distribute stress effectively, offering pathways for optimizing lightweight
Praveenkumar Subhash Patil   +2 more
wiley   +1 more source

Splenic flexure volvulus

open access: yesBMJ Case Reports, 2010
We present the case of a woman in her 50s presenting with acute abdominal pain and absolute constipation. Subsequent investigations revealed large bowel obstruction which was shown on computed tomography scan to be secondary to a rare volvulus of the splenic flexure of her colon. The patient was taken for an urgent laparotomy with resection of 45 cm of
Owain, Jones   +2 more
openaire   +3 more sources

Influência de alterações na rugosidade superficial externa e interna na resistência flexural de uma cerâmica [PDF]

open access: yes, 2011
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências da Saúde. Programa de Pós-Graduação em OdontologiaO objetivo deste trabalho foi avaliar o efeito do ajuste externo por meio de desgaste simulado, efetuando ou não o ...
Ruschel, Vanessa Carla
core  

Adaptive Foam 3D Printing of Ultralight and Multifunctional Materials

open access: yesAdvanced 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

Flexural–torsional behavior of thin-walled composite space frames [PDF]

open access: yes, 2009
A general analytical model based on the first-order shear deformable beam theory applicable to thin-walled composite space frames with arbitrary lay-ups under external loads is presented.
Lee, Jaehong, Vo, Thuc
core   +1 more source

Enhancement of the Through‐Thickness Electrical Conductivity of Carbon‐Fiber‐Reinforced Plastics Using Large Graphite Particles

open access: yesAdvanced Engineering Materials, EarlyView.
To enhance through‐thickness conductivity without sacrificing impregnation, large spherical graphite particles are intentionally employed in a low‐viscosity resin. Unlike finer conductive fillers, these particles remain outside the fiber bundles and accumulate in resin‐rich interlaminar regions during molding.
Keito Hosoe   +6 more
wiley   +1 more source

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