Browsing Engenharia de Materiais - EMa by Title
Now showing items 67-86 of 127
-
Estudo sobre a influência de aditivos antiácidos em compostos de polipropileno
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 19/11/2021)Polypropylene is one of the most consumed plastics in the world and its synthesis takes place mainly from the use of Ziegler-Natta catalyst systems, in which catalysts and their supports are compounds containing chlorine ... -
Estudo sobre a reciclagem de fibras têxteis
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 22/02/2022)In order to transform the textile industry into something sustainable, the origin and production must be studied, and in addition, it is expected that there will be a greater importance of recycled products in the future, ... -
Estudo sobre a viabilidade de implementação de logística reversa e reciclagem de polímeros na indústria automobilística
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 24/08/2023)The present work consists of a bibliographical review on the topic of reverse logistics applied to the main polymers in the automotive industry. Reverse logistics is a process that aims to recover products, materials and ... -
Estudo sobre o histórico, mineração, aplicações, geopolítica e desafios das terras raras
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 14/07/2023)The rare earth elements are essential raw materials for the energy transition that the world is compromised to achieve. Neodymium and praseodymium are fundamental for the manufacture of high performance permanent magnets, ... -
Estudo sobre os métodos de reciclagem e reutilização de baterias de lítio de carros elétricos
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 18/04/2022)Electric vehicle (EV), means of transport considered more sustainable to the environment, have become popular around the world in recent years mainly in the United States, Europe and China. For the next decades, the volume ... -
Finite element simulation for glass tempering
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 02/02/2024)The production of tempered glass for screen protectors has aroused enormous interest in the growing smartphone market, requiring the use of technologies to prevent fractures during production. The Finite Element Method ... -
Fragilização por hidrogênio da liga Ti-6Al-4V ELI: métodos de hidrogenação e caracterização mecânica
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 01/02/2024)Titanium alloys are highly valued materials due to the combination of various commercially relevant properties, including high specific strength and corrosion resistance, a high melting point, and ductility. The versatility ... -
Friction riveting of printed circuit boards (P.C.B.) and aluminum hybrid joints: joint formation analysis and characterization
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 14/04/2022)This work addressed the feasibility study of the Friction Riveting joining process on glass-fiber-reinforced epoxy resin laminate sheet (FR4-PCB) and 2024-T351 aluminum alloy rivets by investigating the rivet scale effects, ... -
Impacto ambiental do uso de óxido de zinco em formulações de borracha: estudo crítico e possíveis soluções
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 01/02/2024)Elastomers are a class of polymeric materials characterized by their high elasticity and ability to resist deformation and return to their initial state. Rubbers play an important role in the automobile, aeronautics, civil ... -
Impacto da submersão de perfis extrudados de alumínio em soluções alcalinas: um estudo de capabilidade
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 25/01/2024)Marcel Pourbaix dedicated himself to the study of metal corrosion, culminating in the publication of the "Atlas of Electrochemical Equilibrium" in 1964. His work presents diagrams that predict the stability of chemical ... -
Implementação da automação de parâmetros para melhoria do processo de conformação por prensagem de massa de tamponamento para furos de corrida em altos-fornos
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 18/08/2023)A steel industry has played a vital role in global economic development, with blast furnaces being an essential component of this sector. Operational efficiency and the quality of products from blast furnaces are crucial ... -
Implementação de rede neural na caracterização de IPMC´s com líquidos iônicos de alquilimidazólio incorporados: estudo de viabilidade de ferramenta auxiliar
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 18/11/2021)The present study aims to implement and evaluate the feasibility of an artificial neural network algorithm in Python to classify IPMC samples. For this work it was considered Nafion-based IPMC samples with platinum electrodes. ... -
Impressão 3D do PLA para aplicações biomédicas
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 20/04/2022)Currently, additive manufacturing (AM) machines, popularly known as 3D printers, can already be found in the most diverse environments around the world, from industrial facilities, homes, offices, service providers, academic ... -
Influência de agregados a base de ZrO2 e MgAl2O4-ZrO2 nas propriedades de concretos refratários
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 02/02/2024)Refractory linings are essential materials in foundational industries due to their ability to withstand harsh operating conditions without losing their functional capabilities. These ceramics represent a significant portion ... -
Influência do teor de agregados reciclados do tipo A2O3-ZrO2-SiO2 (AZS) na energia de fratura de concretos refratários
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 25/08/2023)Refractory concretes are materials of extreme relevance to the base industry. They have the ability to maintain their properties of interest at functional levels when subjected to high temperatures or corrosive environments. ... -
Influência dos parâmetros de tratamentos térmicos de um aço maraging 350
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 19/11/2021)Maraging steels combine ultra-high strength (1500 – 2450 MPa of tensile strength) with excellent toughness (50 – 240 MPa√𝑚) and are widely used in aerospace and military applications. Unlike other high strength steels ... -
Influência dos parâmetros na microestrutura e propriedades mecânicas de fios produzidos pelo processo de Extrusão por Fricção (FE)
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 22/03/2023)Friction Extrusion (FE) is a solid-state process that produces wires, tubes and other parts. Due to the combination of severe plastic deformation (SPD) and moderate temperatures, dynamic recrystallization (DRX) is promoted, ... -
Integração de cálculo CALPHAD com Python para seleção de ligas multielemento para armazenagem de hidrogênio
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 17/03/2023)O desenvolvimento de ligas multielemento voltadas para o armazenamento de hidrogênio no estado sólido, por meio de hidretos metálicos, é crucial para utilizar o hidrogênio como vetor energético. Essas ligas devem apresentar ... -
Ligas de Mg aplicadas na indústria automobilística
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 19/04/2022)The automotive industry is more and more willing and subjected to deploy new technologies in the market to mitigate environmental impacts, trying to reduce the consumption of fossil and green fuels, and hence impacting on ... -
Materiais compósitos de matriz polimérica na indústria aeronáutica e perspectiva crítica de potencialidade: polímeros com memória de forma
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 24/03/2023)The present work has as its central theme the use of composite materials of polymeric matrix in aircraft from a perspective of the shape memory property. The application of polymeric materials through composites in aircraft ...