Artigos - Materiais e Tecnologia - FEG
Browse by
Recent Submissions
-
High-performance CeO2:Co nanostructures for the elimination of accidental poisoning caused by CO intoxication
(Open Ceramics, 2022) [Artigo]Owing to the global upward trend of accidental carbon monoxide (CO) poisoning in the past 30 years, this work aimed to develop Cobalt-doped CeO2 particles by the microwave-assisted hydrothermal route under distinct conditions. ... -
Effect of the chemical treatment sequence on pineapple peel fiber: chemical composition and thermal degradation behavior
(Cellulose, 2022) [Artigo]Millions of tons of fruit waste are generated globally every year from agricultural residues, which makes it essential to find alternative uses to increase their aggregate value and reduce their environmental impact. The ... -
Thermal treatment of OSB panels: a systematic and bibliometric overview
(European Journal of Wood and Wood Products, 2022) [Resenha]Given the need for durable and low-maintenance products, thermal modification has emerged as an environmentally friendly alternative, replacing chemical treatments. Although the literature reports a large number of articles ... -
Roughness evaluation of 4340 steel with two types ceramic tools in milling.
(Procedia CIRP, 2022) [Trabalho apresentado em evento]The study evaluated roughness obtained in milling ABNT 4340 steel hardened with two types of cutting tools based on aluminum oxide with magnesium oxide addition (Al2O3 + MgO) and another with zirconium oxide (ZrO2). The ... -
Towards a relationship between photoluminescence emissions and photocatalytic activity of Ag2SeO4: combining experimental data and theoretical insights
(Dalton Transactions, 2022) [Artigo]A systematic theoretical and experimental study was carried out to find a relationship between photoluminescence emissions and photocatalytic activity of Ag2SeO4 obtained by different synthesis methods (sonochemistry, ... -
Unveiling photoluminescent response of Ce-doped CaCu3Ti4O12: An experimental-theoretical approach
(Journal of Alloys and Compounds, 2022) [Artigo]CaCu3Ti4O12: x% Ce (x = 0.00, 0.25, 0.50, 0.75, and 1.00) ceramic composites were prepared via solid-state reaction. Theoretical atomistic simulations were combined with experimental techniques to uncover Ce effects in the ... -
Influence of carboxylated multi-walled carbon nanotube on the thermostability, and viscoelastic properties of poly (ether imide)/carbon fiber laminates
(Diamond and Related Materials, 2022) [Artigo]Carbon nanotubes have boosted research in several areas, especially in nanostructured thermoplastic composites. This work comes as its most significant contribution, the processing, and evaluation of the influence of the ... -
Evaluation of Microstructure and Mechanical Properties of a Ti10Mo8Nb Alloy for Biomedical Applications
(Metals, 2022) [Artigo]The growth of the elderly population is urging for more suitable biomaterials to allow the performance of better surgical and implant procedures and accelerate the patient’s healing because the elderly are more vulnerable ... -
Different Sequential Chemical Treatments Used to Obtain Bleached Cellulose from Orange Bagasse
(Journal of Natural Fibers, 2022) [Artigo]The development of efficient pretreatments is widely used in biobased products aiming to add value to the residue. In this study, orange bagasse is investigated for cellulose extraction under moderate chemical sequential ... -
A review on research, application, processing, and recycling of PPS based materials
(Polimeros, 2022) [Resenha]Among the engineering thermoplastics, poly(phenylene sulfide) (PPS) stands out for its excellent properties and mainly for processing at lower temperatures. The requirements requested by industries can be made by improving ... -
Inactivation of SARS-CoV-2 by a chitosan/α-Ag2WO4 composite generated by femtosecond laser irradiation
(Scientific Reports, 2022) [Artigo]In the current COVID-19 pandemic, the next generation of innovative materials with enhanced anti-SARS-CoV-2 activity is urgently needed to prevent the spread of this virus within the community. Herein, we report the synthesis ... -
YVO4:RE (RE = Eu, Tm, and Yb/Er) nanoparticles synthesized by the microwave-assisted hydrothermal method for photoluminescence application
(Ecletica Quimica, 2022) [Artigo]Here, an experimental study is presented on the YVO4:RE (RE = Eu, Tm, and Yb/Er) nanoparticles synthesized by means of the microwave-assisted hydrothermal method. Different characterization techniques (X-ray diffraction, ... -
Interface matters: Design of an efficient CaCu3Ti4O12-rGO photocatalyst
(Powder Technology, 2022) [Artigo]Different strategies have been investigated to enhance optical properties of semiconductor oxides such as CaCu3Ti4O12, e.g., reduced graphene oxide. This research focuses on photoluminescent and photocatalytic properties ... -
Statistical approach to optimize crashworthiness of thermoplastic commingled composites
(Materials Today Communications, 2022) [Artigo]A design of experiments analysis was developed to relate the processing conditions to the impact energy absorption capability of thermoplastic commingled composites. Based on low velocity impact test responses and statistical ... -
Effects of GTAW Dynamic Wire Feeding Frequencies on Fatigue Strength of ASTM A516-70 Steel Welded Joints
(Journal of Materials Engineering and Performance, 2022) [Artigo]It is known that the conventional arc welding processes reduce the fatigue life of welded joints. However, in this work, a gas tungsten arc welding process with dynamic wire feeding (GTAW-DWF) at frequencies of 0.5, 5, 10 ... -
Electrical transport mechanisms of Neodymium-doped rare-earth semiconductors
(Journal of Materials Science: Materials in Electronics, 2022) [Artigo]This study reports the electrical properties of Nd-doped cerium oxide (CeO2) films synthesized by microwave assisted hydrothermal using a two-point probe technique. Positron annihilation lifetime spectroscopy studies ... -
Cr/CrN multilayer coating effect on the surface integrity of Ti-6Al-4V alloy under fatigue loadings
(Procedia CIRP, 2022) [Trabalho apresentado em evento]Surface treatments are used to improve the tribological properties of titanium alloys for aeronautical applications. The present work aims to investigate the effect of a Cr/CrN multilayer coating on the surface integrity ... -
Interlaminar shear of FML produced with surface treatment by mechanical abrasion
(Procedia CIRP, 2022) [Trabalho apresentado em evento]In this work, the influence of metal surface treatment on the FML composite shear properties, consisting of three layers of aluminum interspersed with eight layers of fiberglass-reinforced epoxy, was evaluated. Therefore, ... -
Influence of the Near-Cortical Over-Drilling Technique on the Mechanical Behaviour of Locking Plate Constructs Applied in Maned Wolf's Femur
(Veterinary and Comparative Orthopaedics and Traumatology, 2022) [Artigo]Objective The aim of this study was to evaluate the influence of near-cortical over-drilling holes on the mechanical behaviour of locking plate constructs applied in maned wolf's femur by using mechanical testing and finite ... -
Thermo-Mechanical Properties of Polypropylene Composites Filled with Recycled Office Waste Paper
(Journal Of Natural Fibers, 2022) [Artigo]The high production of paper, followed by a more significant concern with environmental and economic issues, has led to greater relevance to paper recycling and its raw uses as composite filler. Composites of polypropylene ...