Materiales avanzados
Materiales avanzados
A Study on the Effect and Suppression of Hydrogen Permeation Behavior on the Friction Characteristics of PEEK/PTFE Composites via Molecular Dynamics Simulation
05/04/2024 -
To research the effect of hydrogen permeation on the friction characteristics of the seal materials on the hydrogen equipment, the molecular models of 10% PEEK/PTFE composites and its frictional...
Enhanced mechanical and tribological properties of 3D printed short carbon fiber reinforced polyether ether ketone composites
30/03/2024 -
Effect of ambient temperature on mechanical and tribological properties of 3D printed CF/PEEK composites.Material extrusion additive manufacturing provides an effective solution for fabrication of...
Why menopause keeps evolving in whales
15/03/2024 -
Long postreproductive lifespans might allow female whales to help their progeny survive. Plus, a sneak peek of China’s new underground neutrino lab and tips for PhD-holders looking for a job in...
Interfacial strengthening and processing of carbon fibers reinforced poly(ether?ether?ketone) composites: A mini?review
11/03/2024 -
Composition and application of carbon fibers reinforced poly(ether?ether?ketone) composites.Carbon fibers/poly(ether?ether?ketone) (CF/PEEK) composites have the advantages of excellent impact...
Aerospace, Vol. 11, Pages 201: The Thermo-Mechanical Properties of Carbon-Fiber-Reinforced Polymer Composites Exposed to a Low Earth Orbit Environment
02/03/2024 -
In this study, we focus on 3D-printed PEEK/CFRTP (Carbon-Fiber-Reinforced Thermoplastic) and PEEK (Polyether Ether Ketone) materials as new space materials. In space, there are intense ultraviolet...
Enhancing interfacial solvent resistance and mechanical properties of carbon fiber/polyether ether ketone composites with water?borne sizing agents based on cross?linkable polyphthalonitrile
05/02/2024 -
The schematic diagram of the strengthening mechanism of sized CF/PEEK composites.The inherent structural properties and elevated processing temperatures of thermoplastic resins present new challenges...
Low?Roughness 3D Printed Surfaces by Ironing for the Integration with Printed Electronics
02/01/2024 -
The roughness of 3D?printed surfaces poses a challenge when integrating fused filament fabrication (FFF) printing with printed electronics, leading to inconsistencies and breaks in the circuit...
A New Promising Material for Biological Applications: Multilevel Physical Modification of AgNP-Decorated PEEK
05/12/2023 -
In the case of polymer medical devices, the surface design plays a crucial role in the contact with human tissue. The use of AgNPs as antibacterial agents is well known; however, there is still more...
Superior strength in the 3D?printed polyether?ether?ketone composites reinforced by annealing and carbon fibers
11/11/2023 -
High mechanical properties of 3D printed PEEK.The light?weight, high?strength polyether?ether?ketone (PEEK) shows great potential for weight?sensitive, load?bearing applications. The adoption of PEEK...
Cycle deformation behavior of 3D?printed CF/PEEK honeycomb metamaterials with zero Poisson's ratios
12/10/2023 -
Cyclic performance and finite element model of zero Poisson's ratio honeycomb metamaterials.To realize the one?dimensional deformation of morphing wings, zero Poisson's ratio (ZPR) honeycomb...
Tribologically induced nanostructural evolution of carbon materials: A new perspective
01/01/2024 -
Abstract Tribological applications of polytetrafluoroethylene (PTFE) are often limited by technological complexity to overcome its poor wear resistance. Here, a...
Critical Evaluation of the Methods for the Characterization of the Degree of Sulfonation for Electron Beam Irradiated and Non-Irradiated Sulfonated Poly(ether ether ketone) Membranes
06/09/2023 -
Sulfonated poly(ether ether ketone) (SPEEK) materials are promising candidates for replacing Nafion™ in applications such as proton exchange membrane (PEM) and direct methanol fuel...
Different Polymers for the Base of Removable Dentures? Part I: A Narrative Review of Mechanical and Physical Properties
22/08/2023 -
Even before considering their introduction into the mouth, the choice of materials for the optimization of the prosthesis depends on specific parameters such as their biocompatibility, solidity,...
All?carbon backbone aromatic polymers for proton exchange membranes
12/08/2023 -
Proton exchange membranes (PEMs) play a crucial role in energy storage and conversion technologies such as fuel cells, redox flow batteries, and water electrolysis. Currently, perfluorosulfonic acid...
A facile strategy to fabricate skin?free porous polymer membranes based on sandwich structure
01/08/2023 -
The skin layer, i.e. the surface dense layer with relatively lower porosity, may significantly impede the permeability of porous polymer membranes. In this work, with the combination of experiment...
Repair of Impacted Thermoplastic Composite Laminates Using Induction Welding
29/07/2023 -
The lack of well-developed repair techniques limits the use of thermoplastic composites in commercial aircraft, although trends show increased adoption of composite materials. In this study,...
Biomimetic construction of 3D needle?punched CF/PEEK composites based on ladybug forewing structure for directional reinforcement
27/07/2023 -
Preparation and properties of bio?inspired CF/PEEK composites.3D needle?punched CF/PEEK composites are a kind of composites with promising applications in multiple fields, such as implant materials,...
Biomaterials as Implants in the Orthopedic Field for Regenerative Medicine: Metal versus Synthetic Polymers
07/06/2023 -
Patients suffering bone fractures in different parts of the body require implants that will enable similar function to that of the natural bone that they are replacing. Joint diseases (rheumatoid...
Surface Modification Techniques for Polyetheretherketone as Spinal Interbody Fusion Cage Material to Stimulate Biological Response: A Review
24/05/2023 -
Currently, spinal interbody cages are crucial for spinal fusion surgeries. Due to the mechanical and imaging characteristics of polyetheretherketone (PEEK), it is a widely used material for cages....
Strategies for the Covalent Anchoring of a BMP-2-Mimetic Peptide to PEEK Surface for Bone Tissue Engineering
21/05/2023 -
Researchers in the field of tissue engineering are always searching for new scaffolds for bone repair. Polyetheretherketone (PEEK) is a chemically inert polymer that is insoluble in conventional...
