Materiales

Materiales

Flexible and environmentally friendly graphene natural rubber composites with high thermal conductivity for thermal management
- Composites with high thermal conductivity are urgently needed for thermal management devices. Although natural rubber (NR) with excellent elasticity are promising as flexible polymer for thermal...
A novel viscoelastic modelling of railway track elements and experimental validation
21/11/2022 - This study presents a novel approach for the viscoelastic (VE) modelling of railway track elements that depends on the combination of strong sides of classical and fractional derivative models...
Characterization of various modified asphalts using force ductility test with “8“ shaped mold and straight mold
21/11/2022 - To explore a suitable mold for the force ductility test and propose a new index to better characterize low-temperature properties of modified asphalt, plain asphalt (PG 58–16, PG 52–22),...
Influence of Crosslinking Extent on Free Volumes of Silicone Rubber and Water Diffusion after Corona Discharge
01/10/2022 - Silicone rubber is widely used as an insulating material. In this article, silicone rubber samples were prepared by varying the content of crosslinker (2,5-bis(tert-butyl-peroxy)-2,5-dimethylhexane,...
Mechanical Properties and Equilibrium Swelling Characteristics of Some Polymer Composites Based on Ethylene Propylene Diene Terpolymer (EPDM) Reinforced with Hemp Fibers
01/10/2022 - EPDM/hemp fiber composites with fiber loading of 0–20 phr were prepared by the blending technique on a laboratory electrically heated roller mill. Test specimens were obtained by...
Maxwell Nanofluids: FEM Simulation of the Effects of Suction/Injection on the Dynamics of Rotatory Fluid Subjected to Bioconvection, Lorentz, and Coriolis Forces
02/10/2022 - In this study, the relevance of Lorentz and Coriolis forces on the kinetics of gyratory Maxwell nanofluids flowing against a continually stretched surface is discussed. Gyrotactic microbes are...
Magnetic Field Influence on the Microwave Characteristics of Composite Samples Based on Polycrystalline Y-Type Hexaferrite
30/09/2022 - Here, we report results on the magnetic and microwave properties of polycrystalline Y-type hexaferrite synthesized by sol-gel auto-combustion and acting as a filler in a composite microwave-absorbing...
Mechanism of multi-stage degradation in hot bitumen of micronized Powder Elastomeric Modifiers from worn-out tire’s rubber
30/09/2022 - For the first time, by atomic force microscopy (AFM) methods, micro- and nanofragments of micronized powder elastomeric modifier (PEM) formed at the short-term (3 min at 160 °C)...
Comparison of the Properties of a Random Copolymer and a Molten Blend PA6/PA6.9
01/10/2022 - This study compares the thermal and mechanical properties of two different materials, obtained via two diverse synthetic pathways. The first one is a mixed blend of PA6/PA6.9, while the second is a...
Mechanical and Thermal Properties of Functionally Graded Polyolefin Elastomer Foams
01/10/2022 - In this work, uniform and graded polyolefin elastomer (POE) foams were prepared using a single-step technology based on a fixed chemical blowing agent (azodicarbonamide) concentration of 4 phr (parts...
Optimization of Biomass Fuel Composition for Rubber Glove Manufacturing in Thailand
30/09/2022 - The demand for rubber gloves has significantly increased in both medical and non-medical fields due to the spread of the coronavirus in 2019. It is challenging for rubber glove manufacturing...
Influence of Basalt Fiber on Mechanical Properties and Microstructure of Rubber Concrete
30/09/2022 - The utilization of waste rubber in concrete will reduce pollution and improve the efficiency of resource utilization. The effects of rubber particles and basalt fibers on the compressive strength and...
Multi-objective simulation–optimization via kriging surrogate models applied to natural gas liquefaction process design
01/01/2023 - A surrogate-based multi-objective optimization framework is employed in the design of natural gas liquefaction processes using reliable, black-box process simulation. The conflicting objectives...
Effect of halloysite nanotubes on deformation mechanism and work of fracture of thermoplastic elastomer toughened polypropylene
28/09/2022 - Sythesized beads from renewable biopolymers (lignin, alginate, and starch) used to immobilize and release Rhizobium spp.AbstractCell immobilization in polymers have proven successful in protecting...
Hydraulic Resistance Analysis Based on Cohesive Strength and Toughness of Synthetic Polymerized Rubber Gel Used as Water-Leakage Repair Material for Concrete Structures
29/09/2022 - As construction in urban centers increases internationally, many concrete infrastructures are being built at 100 m or more underground, and the influence of groundwater on these facilities is also...
Theoretical Modeling of Magnetoactive Elastomers on Different Scales: A State-Of-The-Art Review
29/09/2022 - A review of the latest theoretical advances in the description of magnetomechanical effects and phenomena observed in magnetoactive elastomers (MAEs), i.e., polymer networks filled with magnetic...
Research Progress on Two-Dimensional Layered MXene/Elastomer Nanocomposites
29/09/2022 - Two-dimensional (2D) transition-metal carbon/nitrogen/carbon nitride (MXene) has extremely high conductivity and easily modifiable surface functional groups. Compared with graphene, another 2D...
Study of the Microscopic Mechanism of Natural Rubber (Cis-1, 4-Polyisoprene, NR)/Polyethylene (PE) Modified Asphalt from the Perspective of Simulation
29/09/2022 - This paper aims to study the interaction mechanism of waste tire/plastic modified asphalt from the microscopic perspective of molecules. Based on BIOVIA Materials Studio, a classic four-component...
Graphene nanoplatelet filled elastomer composites; influence of different matrices on the dispersion, electrical and mechanical properties
27/09/2022 - Synergistic enhancement of the mechanical properties and electrical conductivity in EVA?GnP composites.This work aims to correlate the dispersion tendencies and the cause/effect relationships that...
Performance evaluation of thermally aged ATH and BN co?doped silicone rubber nano?micro composites for power cable applications
27/09/2022 - Synthesis and characterization of mATH and mATH+nBN doped RTV SiR specimens.Power cables are intended to operate at high temperatures over a long period which may change the performance of silicone...
Tunable Van der Waals interfacial interaction for ultrahigh-damping rubber bends
01/12/2022 - High-damping rubber materials are of crucial significance for realizing high-performance green tire due to their contributions in noise and vibration reduction, auto-braking, and service life....