Browsing Engenharia de Materiais - EMa by Title
Now showing items 22-41 of 125
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Avaliação do ciclo de vida de embalagens para delivery
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 18/11/2021)Delivery packages made up of different materials - expanded polystyrene, amorphous poly(ethylene terephthalate) and paperboard with a polypropylene lid - were compared regarding the environmental impacts related to their ... -
Avaliação do ciclo de vida de garrafas PET provenientes de fontes fósseis e renováveis
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 18/11/2021)The consumption and inappropriate disposal of plastic packaging has caused enormous damage to the environment. Currently, there is a regulatory trend for companies to adopt systems with reverse logistics and resources ... -
Avaliação do ciclo de vida de garrafas PET: comparativo entre Brasil e Alemanha
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 20/04/2022)In view of the growing consumption of plastic packaging worldwide, the concerns regarding the environmental impacts of plastic wastes have become more and more relevant. One of the tools used for analyzing such impacts ... -
Avaliação do comportamento de corrosão de concretos refratários contendo ZnAl2O4 via simulações termodinâmicas
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 18/11/2021)The main characteristic of refractory ceramics is the capacity to withstand thermo-chemicalmechanical stresses at high temperatures for long periods of time, which allows this material to be applied in a diverse industrial ... -
Avaliação do desgaste de massa de tamponamento via simulação termodinâmica e comparação com ensaio de corrosão dinâmico
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 16/09/2022)The opening and closing of the tap hole during the production of pig iron in steel-making industries is crucial for the proper operation of the blast furnace and high production in the steel industry. The tap hole clay ... -
Avaliação do efeito da adição de microssílica em concretos contendo ZnAl2O4
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 18/04/2022)El consumo de refractarios es parte significante del costo de producción de acero, de forma que las acerías consumen en promedio entre 5 y 15 kg de refractarios por tonelada de acero producida. Estos materiales son sometidos ... -
Avaliação do potencial de fibras ópticas biopoliméricas: celulose e seda
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 14/09/2022)Due to their biocompatibility and biodegradability, natural polymers are increasingly being studied for optical fiber manufacturing. Aiming at environmental preservation and sustainability, the use of renewable sources in ... -
Avaliação dos efeitos da microadição de NbB na solidificação da liga de alumínio 2017
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 22/04/2022)The 2017 alloy, based on the Al-Cu system, is widely applied in the manufacture of structural parts in the aeronautical and automobile industries. In this work, the modification of this alloy through the addition of Nb and ... -
Avaliação estrutural da liga AlSi7MgMn fundida utilizando cavacos de usinagem briquetados como matéria-prima
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 16/09/2022)This course completion work (TCC) aims to evaluate the microstructure of an ingot of AlSi7MgMn (or A356) alloy by casting in permanent mold and graphite mold from compacted and centrifuged chip briquettes of this alloy. ... -
Avaliação in situ da evolução do módulo elástico de concretos ligados com geopolímeros
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 24/03/2023)Refractory castables belong to the class of non-formed ceramic materials, which have the characteristic of being able to withstand high temperatures, without significant changes in their physical and chemical features. ... -
Caracterização da liga Al-Fe-Cr-Ti obtida por compactação uniaxial a quente e comparação de sua microestrutura e propriedades com amostras produzidas por Fusão Seletiva a Laser
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 22/04/2022)Quasicrystalline phase former aluminum-based alloys have been drawing attention due to their characteristics of composite material, with a ductile matrix with quasicrystalline reinforcement of high hardness, showing ... -
Caracterização de fios supercondutores comerciais de NbTi
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 25/08/2023)Since the discovery of superconductivity in 1911, various efforts have been employed in the development of superconducting materials. NbTi alloys play an important role in the production of superconducting wires, crucial ... -
Caracterização e viabilidade de impressão 3D para nanocompósitos de PLA/TPU/SEP
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 14/09/2022)In recent years, a significant increase in the use of additive manufacturing techniques (AM) has been observed for the conformation of devices to the biomedical area. Since scaffold processing is extremely delicate, as a ... -
Cálculo da energia de falha de empilhamento através da teoria do funcional da densidade
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 24/03/2023)Due to the large number of possible compositions, multicomponent alloys present a wide spectrum of properties, especially mechanical, when compared to traditional ones. In this context, the use of methods that allow knowing ... -
Classificação preditiva de fases para ligas multicomponentes CrCoFeMnNi utilizando machine learning
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 16/02/2023)When we refer to multicomponent alloys, or high entropy alloys as they are commonly called, it is inevitable to discuss the challenge of exploring new compositions that may be of scientific interest. This difficulty is ... -
Crescimento de trincas em ligas de memória de forma sob vida em fadiga
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 25/08/2023)Shape memory alloys are a class of metallic alloys that arouse interest in both the academic and industrial spheres due to their properties of shape memory effect and superelasticity that arise from the reversible ... -
Cura de refratários à base de MgO via micro-ondas contendo, ou não, fontes de carbono
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 21/03/2023)Curing is an essential process for the manufacture and development of refractory materials and is now largely carried out by heating at relatively low temperatures compared to the working temperature for the material, with ... -
Os desafios do uso da resina de PET reciclado na indústria de alimentos e bebidas
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 16/09/2021)PET, as well as many other plastics nowadays, has presented great interest in study, especially regarding its recycling. The polymeric residues discarded incorrectly in the environment have generated a negative impact. ... -
Desenvolvimento de Magnésia Cáustica para Revestimento de Aço Elétrico
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 05/01/2021)Electric steels are ferrous alloys with up to 3.5 wt.% Silicon in its composition, and with carbon concentrations around 20 ppm. They are materials with excellent magnetic properties, generally used in the manufacture of ... -
Desenvolvimento e caracterização de um biomaterial compósito plga/β-tcp para enxertia óssea
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 17/08/2023)As a result of the increase in life expectancy of the human population and the advent of medical advances in the area of bone tissue engineering, one of the processes that has been gaining prominence is additive manufacturing ...