Materiales

 

Materiales

Tribological Performance Study of Low-Friction PEEK Composites under Different Lubrication Conditions
27/04/2024 - This study introduces a low-friction composite based on PEEK to improve its friction and wear properties. The composite incorporates PTFE as a solid lubricant and utilizes PPTA as a reinforcing...
Synergistic effects of in situ fibrillated polytetrafluoroethylene and polystyrene–butadiene block on the microcellular foaming behaviors of polyphenylene oxide modified by high?impact polystyrene
24/04/2024 - Flame?retardant mechanism of transparent and toughened EP.AbstractCurrently, the flame retardancy of epoxy resin (EP) was achieved at the expenses of the transparency and/or toughness. In the present...
Hydrophilic Modification of Polytetrafluoroethylene (PTFE) Capillary Membranes with Chemical Resistance by Constructing Three-Dimensional Hydrophilic Networks
19/04/2024 - Polytetrafluoroethylene (PTFE) capillary membranes, known for the great chemical resistance and thermal stability, are commonly used in membrane separation technologies. However, the strong...
Rubber-like PTFE Thin Coatings Deposited by Pulsed Electron Beam Deposition (PED) Method
25/04/2024 - PTFE coatings were manufactured using the pulsed electron beam deposition (PED) technique and deposited on Si substrates. The deposition was carried out at constant parameters: temperature 24...
Numerical Simulation Study on Impact Initiation on Shielded Charge Using Hypervelocity Composite-Structure Reactive Fragments
11/04/2024 - In order to study the impact initiation process and mechanism of hypervelocity PTFE/Al composite structure reactive fragments on a shielded charge, first, an existing PTFE/Al reactive fragment...
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...
TEMPO-Oxidized Nanocellulose Films Modified by Tea Saponin Derived from Camellia oleifera: Physicochemical, Mechanical, and Antibacterial Properties
08/04/2024 - Nanocellulose materials have been widely used in biomedicine, food packaging, aerospace, composite material, and other fields. In this work, cellulose obtained from Camellia shells through alkali...
Fluorinated Polydopamine Shell Decorated Fillers in Polytetrafluoroethylene Composite for Achieving Highly Reduced Coefficient of Thermal Expansion
04/04/2024 - The noticeable difference in the coefficient of thermal expansion (CTE) for polytetrafluoroethylene (PTFE) coatings and copper substrates is a major challenge for thermal debonding of the copper-clad...
Inkjet Printing on Hydrophobic Surface: Practical Implementation of Stacked Coin Strategy
27/03/2024 - While inkjet printing on many hydrophilic surfaces can be achieved through control of drop spacing and droplet deposition delay alone, the same for hydrophobic substrates prove to be challenging. The...
Tribological and Mechanochemical Properties of Nanoparticle-Filled Polytetrafluoroethylene Composites under Different Loads
25/03/2024 - For the tribological properties of nanoparticle-modified PTFE, a more comprehensive study has been conducted, but there is still some room for research on tribology behavior, tribofilm formation and...
Research progress in highly efficient reversible deactivation radical polymerization of vinylidene fluoride
01/03/2024 - Abstract Polyvinylidene fluoride (PVDF)-based polymers are extensively utilized in various fields such as building and large bridge coatings, lithium battery binders and...
Understanding the effect of solid lubricants on scratch behavior in epoxy resins: An experimental and statistical approach
02/03/2024 - Effect of solid lubricant reinforcement on scratch performance of different epoxy resins.Epoxy resins inherently have low resistance to scratching. To increase the scratch resistance of epoxy resins,...
Ultraflexible Temperature?Strain Dual?Sensor Based on Chalcogenide Glass?Polymer Film for Human?Machine Interaction
28/02/2024 - Skin?like thermoelectric (TE) films with temperature? and strain?sensing functions are highly desirable for human?machine interaction systems and wearable devices. However, current TE films still...
Dynamic Response Characteristics of Composite Concrete Structures Subjected to Reactive Jet Impact
27/02/2024 - Composite concrete structures, commonly found in urban infrastructures, such as highways and runways, are pivotal research object in the protection field. To study the dynamic response of composite...
Structural and Transport Properties of Hydrophilic and Hydrophobic Modified Ionomers in Proton Exchange Membrane Fuel Cells
29/02/2024 - The sluggish commercial application of proton exchange membrane fuel cells (PEMFCs) with low Pt loading is chiefly hindered by concentration polarization loss, particularly at high current density...
A study on tribological performances of PEEK and PTFE based composites with MoS2 reinforcements
28/02/2024 - Polymer?based composite with best tribological performance.This study investigates the tribological and mechanical properties of poly?ether?ether?ketone (PEEK) and polytetrafluoroethylene (PTFE)...
Effects of different mass ratios on mechanical properties and impact energy release characteristics of Al/PTFE/W and Al/PTFE/CuO polymer composites
28/02/2024 - In the research, different mass ratios on mechanical properties and impact reactivity of Al/PTFE/W and Al/PTFE/CuO polymer composites were investigated.Aluminum/polytetrafluoroethylene (Al/PTFE) is...
An innovative biomass?based wood adhesive generated from peony seed meal: Its preparation and properties
23/02/2024 - A comprehensive study of creep behavior of the polytetrafluoroethylene (PTFE) sealant material at various temperatures of 25 (room temperature), 35, 45, 55, and 65°C and at three stress levels of 2,...
Gradient microporous layer with controllable aperture for high-performance proton-exchange membrane fuel cells
21/02/2024 - Abstract A microporous layer (MPL) with appropriate aperture and hydrophobicity is key for proton-exchange membrane fuel cells (PEMFCs). The MPLs are typically prepared from...
Icephobic Coating Based on Novel SLIPS Made of Infused PTFE Fibers for Aerospace Application
20/02/2024 - The development of slippery surfaces has been widely investigated due to their excellent icephobic properties. A distinct kind of an ice-repellent structure known as a slippery liquid-infused porous...
A double?expanded polytetrafluoroethylene fabrication method for increased mechanical compliance in tubular vascular graft applications
13/02/2024 - A novel manufacturing method that involves an additional expansion step has been developed to enhance the compliance of expanded polytetrafluoroethylene (ePTFE) for vascular graft applications. The...