A5076360098- Natural Fiber Reinforced Composites
- Additive Manufacturing and 3D Printing Technologies
- Concrete and Cement Materials Research
- Innovations in Concrete and Construction Materials
- Magnesium Oxide Properties and Applications
- Innovative concrete reinforcement materials
- Recycled Aggregate Concrete Performance
- Recycling and utilization of industrial and municipal waste in materials production
- Mechanical Behavior of Composites
- Bone Tissue Engineering Materials
- Nuclear materials and radiation effects
- Ferroelectric and Piezoelectric Materials
- Conducting polymers and applications
- Polymer Nanocomposites and Properties
- Advanced ceramic materials synthesis
- Recycling and Waste Management Techniques
- Pigment Synthesis and Properties
- Textile materials and evaluations
- Bamboo properties and applications
- Radiation Shielding Materials Analysis
- Asphalt Pavement Performance Evaluation
- Advanced Sensor and Energy Harvesting Materials
- Building materials and conservation
- Geotechnical Engineering and Soil Stabilization
- Microwave Dielectric Ceramics Synthesis
Universidad de Antioquia
2016-2025
State University of Norte Fluminense
2023-2024
Altera (United States)
2023
CHR Cerâmica Técnica (Brazil)
2023
Universidade do Estado do Rio de Janeiro
2023
National University of Engineering
2023
Indiana University – Purdue University Indianapolis
2018
University of Tennessee at Knoxville
2018
University of California, Los Angeles
2010-2016
Argonne National Laboratory
2014
This research is a comprehensive review of the sustainability additive manufacturing, from circular economy and recycling materials to other environmental challenges involving safety manufacturing. There has been important progress in this area, with an increasing number papers that cover diverse aspects, including economy, life cycle assessment materials. increase due importance scientists, industry, government society are now giving these topics. seeks develop greater awareness relation...
The removal of toxic hexavalent chromium (Cr(VI)) from polluted water by magnetic polyaniline (PANI) polymer nanocomposites (PNCs) was investigated. PNCs were synthesized using a facile surface initiated polymerization (SIP) method and demonstrated unique capability to remove Cr(VI) solutions with wide pH range. Complete 20.0 mL neutral solution an initial concentration 1.0–3.0 mg L−1 observed after 5 min treatment period PNC load 10 mg. dose 0.6 g found be sufficient for complete 9.0...
This review systematically examines the use of additive manufacturing (AM), also known as 3D printing (3DP), in various aspects military applications such firearms, armor and ballistic resistant structures, including those bioinspired. The main goal is to provide a comprehensive exploration AM applications. materials structures created using technologies are analyzed reported. Dynamic loading, impact via Charpy Izod tests were explored search, although not considered results be typically...
Both fibril and spherical polyaniline (PANI) nanostructures have successfully served as nanofillers for obtaining epoxy resin polymer nanocomposites (PNCs). The effects of nanofiller morphology loading level on the mechanical properties, rheological behaviors, thermal stability, flame retardancy, electrical conductivity, dielectric properties were systematically studied. introduction PANI was found to reduce heat-release rate increase char residue resin. A reduced viscosity observed in both...
Epoxy resin nanocomposites reinforced with silica nanoparticles have been prepared at different nanoparticle loading levels. The surface functionality of the is manipulated by phosphoric acid (H3PO4)-doped conductive polyaniline (PANI) via a initiated polymerization (SIP) method. improved glass transition temperature (Tg) and enhanced mechanical properties cured epoxy filled functionalized are observed compared those pure resin. flammability thermal stability behaviors these evaluated using...
Magnetic epoxy polymer nanocomposites (PNCs) reinforced with magnetite (Fe(3)O(4)) nanoparticles (NPs) have been prepared at different particle loading levels. The surface functionality tuned by conductive polyaniline (PANI) is achieved via a initiated polymerization (SIP) approach. effects of nanoparticle loading, functionality, and temperature on both the viscosity storage/loss modulus liquid resin suspensions physicochemical properties cured solid PNCs are systematically investigated....
The high performance multi-walled carbon nanotubes (MWNTs) reinforced epoxy polymer nanocomposites (PNCs) have been synthesized at different MWNT loading levels. surface functionalization of MWNTs with conductive PANI was achieved by using a facile initiated polymerization method the aid oxidations CNTs and subsequent anilines hexavalent chromium (Cr(VI)) oxidant. effects loading, temperature on rheological behaviors liquid resin nanosuspensions physicochemical properties cured solid PNCs...
We have demonstrated that magnetic carbon nanocomposite fabrics prepared by microwave assisted heating are advanced adsorbents in the removal of Cr(VI) with a much higher capacity 3.74 mg g−1 compared to 0.32 for cotton and 0.46 fabrics. The enhanced is attributed highly porous structure nanocomposites. adsorption kinetics follow pseudo-second-order model, which reveals very large high rate. process takes only 10 min, faster than conventional such as activated biomass often requires hours...
Magnetic graphene nanocomposites (MGNCs) synthesized by a facile thermal decomposition method have been introduced. TEM observations reveal uniform distribution of the Fe2O3 nanoparticle size and preferential nuclei growth along edge defects. Both its are prepared as electrochemical electrodes to evaluate their capacitor performances. Under normal conditions (without magnetic field), MGNCs show lower capacitance than due large particle loading (52.5 wt%), which brings larger internal...
A relatively unknown natural fiber extracted from the leaves of fique plant, native South American Andes, has recently shown potential as reinforcement polymer composites for engineering applications. Preliminary investigations indicated a promising substitute synthetic fibers, competing with other well-known fibers. The fabric made fibers have not yet been investigated possible composite reinforcement. Therefore, in present work more thorough characterization polyester matrix was performed....
The growth mechanism of magnetic nanoparticles (NPs) in the presence graphite oxide (GO) has been investigated by varying iron precursor dosage and reaction time (product donated as MP/GO). synthesized NPs were anchored on GO sheets due to abundant oxygen-containing functionalities such carboxyl, hydroxyl epoxy functional groups. introduced changed intrinsic lattice structure basal indicated FT-IR, Raman XRD analysis, this effect was enhanced increasing amount precursor. Uniform distribution...
Abstract The development of new building materials based on alkaline activation technology is very promising, mainly linked to products that need significant technological properties and durability due their adverse service conditions environmental exposure. objective this research was evaluate the a circular economy within scope ceramic pieces incorporating glass polishing waste aimed at production roof tiles, obtained by geopolymerization process. Two methodologies sample's were studied:...
Electromagnetic functional materials play an increasingly important role in solving electromagnetic wave pollution both modern military and civil fields.Biomass carbon material is one of the promising candidates for EM shielding absorption owing to their simple preparation process, environmentally friendly raw strong sustainability.The unique biomass structure can effectively improve attenuation conversion energy.Herein, research progress based with different structures highperformance (EWA)...
Additive manufacturing has garnered significant attention as a versatile method for fabricating green and complex composite materials. This study delves into the fabrication of polymer composites by employing polylactic acid (PLA) in conjunction with rice husk reinforcing filler. The filaments were made an extruded filament maker then used to make tensile impact samples another extrusion technology, fused deposition modeling (FDM). structural morphological characteristics materials analyzed...
Additive manufacturing (AM), also known as 3D printing (3DP) has revolutionized the development of components with complex shapes, enabling better developed surfaces favoring aerodynamic using moldable, and easy-to-reuse materials for aerodynamics, hydrodynamics, energy, transportation industries.One industry that been benefited from this progress is wind generation industry.In research, a small-scale H-Darrieus type turbine designed to be manufactured by printer, filament polyethylene...
Polyaniline (PANI) polymer nanocomposites (PNCs) filled with barium titanate (BaTiO3) were synthesized by a surface initiated polymerization method. Two different particle sizes (100 and 500 nm) studied. By varying the loading level, size of BaTiO3 nanoparticles (NPs) stirring method for process, series PNCs obtained effects these parameters on crystalline structure, thermal stability, morphology, electrical conductivity dielectric permittivity systematically FT-IR analysis indicated strong...
As well as limiting the crack propagation, polypyrrole nanofibers further initiated shear bands in epoxy to give a higher tensile strength than nanospheres.
The phosphoric acid doped conductive polyaniline (PANI) polymer nanocomposites (PNCs) filled with silica nanoparticles (NPs) have been successfully synthesized using a facile surface initiated polymerization method. chemical structures of the are characterized by Fourier transform infrared (FT-IR) spectroscopy. enhanced thermal stability PNCs compared that pure PANI is observed thermogravimetric analysis (TGA). dielectric properties these strongly related to nanoparticle loading levels....