Materiales avanzados

Materiales avanzados

Preparation, characterization, and application of hollow nano?TiO2@modified graphene/fluorinated copolymer nanocomposite leather finishing agents
23/05/2022 - Incorporation of jojoba seed meal powder (JSMP) into silica?filled NBR composites endowed the resulting composites (G1, G2, G3, G4, & G5) with a high resistance to thermal aging compared to that...
Fatigue Analysis and Defect Size Evaluation of Filled NBR including Temperature Influence
24/05/2022 - The fatigue behavior of a filled non-crystallizing elastomer was investigated on axisymmetric dumbbell specimens. By plotting relevant Wöhler curves, a power law behavior was found. In...
Potential of Rapid Tooling in Rapid Heat Cycle Molding: A Review
23/05/2022 - Rapid tooling (RT) and additive manufacturing (AM) are currently being used in several parts of industry, particularly in the development of new products. The demand for timely deliveries of low-cost...
Influence of the Polarity of the Plasticizer on the Mechanical Stability of the Filler Network by Simultaneous Mechanical and Dielectric Analysis
23/05/2022 - Four styrene butadiene rubber (SBR) compounds were prepared to investigate the influence of the plasticizer polarity on the mechanical stability of the filler network using simultaneous mechanical...
Micro-structured and self-assembled patterns in PLA-cast films as a function of CTAB content, magnesium and substratum hydrophobicity
- The fabrication of biomaterials with structured surfaces for medical purposes is a topic of great interest. Producing topographies with certain characteristics can benefit tissue formation and/or...
Analysis of Sheep Wool-Based Composites for Building Insulation
22/05/2022 - The aim of this paper is to propose ecological thermal insulation materials that meet the goals of sustainability but also fulfill the imposed thermal performance requirements. This paper studies new...
Simultaneously optimized healing efficiency and mechanical strength in polymer composites reinforced by ultrahigh loading fillers based on interfacial energy and dynamic disulfide bonds
03/06/2022 - In general, ultrahigh loading fillers can increase the hardness and hinder the interfacial healing progress in polymer composites. Therefore, the healing ability and mechanical strength of polymer...
Design of ultrastretchable and superelastic tailorable hydrophilic thermoplastic elastomeric materials
- In this work, new ultrastretchable and super-elastic hydrophilic thermoplastic elastomeric (TPEs) materials were developed for the first time from the thermoplastic polyurethane (TPU) and...
Silicone-recycled pyrolyzed fillers for enhanced thermal - and flame - resistant silicone elastomers
01/06/2022 - Two types of fillers were prepared by controlled pyrolysis of a commercial silicone elastomer. An aerobic process led to the formation of a silica powder while an anaerobic pyrolysis generated a...
Intrinsic self-healing rubber: A review and perspective of material and reinforcement
01/07/2022 - Self-healing rubbers have been widely developed by introducing reversible dynamic crosslinked networks into rubber so that it can repair mechanical damage automatically without requiring any...
High strength and anti?freezing piezoresistive pressure sensor based on a composite gel
29/04/2022 - Piezoresistive sensors constructed by functionalized elastic gel have received broad research by virtue of the visible advantages, such as low?cost, stability of signal collection, and excellent...
Liquid Guayule Natural Rubber, a Sustainable Processing Aid, Enhances the Processability, Durability and Dynamic Mechanical Properties of Rubber Composites
18/05/2022 - Petroleum-based oils are widely used as processing aids in rubber composites to improve processability but can adversely affect rubber composite performance and increase carbon footprint. In this...
Study on the Aging Mechanism and Microstructure Analysis of Rice-Husk-Ash- and Crumb-Rubber-Powder-Modified Asphalt
12/05/2022 - In this paper, the rice husk ash and crumb rubber powder were used as a combined modifier for asphalt. The impact of the aging on the physical and rheological properties of crumb rubber powder, rice...
Prediction of Thermal Conductivities of Rubbers by MD Simulations—New Insights
17/05/2022 - In this article, two main approaches to the prediction of thermal conductivities by molecular dynamics (MD) simulations are discussed, namely non-equilibrium molecular dynamics simulations (NEMD) and...
Propagation and attenuation of Lamb waves in functionally graded fractional viscoelastic soft plates with a pre-deformation
01/08/2022 - An improved understanding of the wave propagation in incompressible soft structures with a pre-deformation, especially the grasp of viscoelastic effect, could fundamentally catalyze technical...
Slippery surface with honeycomb structures for enhancing chemical durability of aluminum
- Aluminum (Al) and its alloys have been widely used in aviation, shipbuilding, automobile industry and other fields due to their excellent properties. However, the inherent hydrophilicity of Al and...
Transferable shadow cure: A new approach to achieving cationic photopolymerization in light?restricted areas
06/05/2022 - A service lifetime prediction based on sealing?aging experiments for gaskets used in plate heat exchangers was proposed. As result, a 32.3?kJ?mol?1 activation energy was obtained concerning...
Liquid Crystal Elastomer with Integrated Soft Thermoelectrics for Shape Memory Actuation and Energy Harvesting
02/05/2022 - A liquid crystal elastomer (LCE) thermoelectric device is reported, which combining active Peltier heating and cooling of LCE, along with environmental and regenerative Seebeck energy harvesting in a...
Recent trends of silicon elastomer-based nanocomposites and their sensing applications
02/05/2022 - Abstract This paper reviews the various fabrication methodologies explored for the polydimethylsiloxane (PDMS) based nanocomposites along with their applications in gas sensing...
A new rheological approach to evaluating the aged performance of Crumb Rubber Modified binders
20/10/2020 - ABSTRACTABSTRACTCrumb Rubber Modified (CRM) binder specifications has historically relied on empirical testing with limited relationships to pavement...