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Microestrutura e propriedades mecânicas de vitrocerâmicos do sistema Li2O – CaO – SiO2
(Universidade Federal de São Carlos, 2013-03-12)
An interesting characteristic of the Li2O-CaO-SiO2 glass-forming system is the possibility of obtaining certain crystalline phases and morphologies that may lead to tough glass-ceramics. However, very few published works ...
Estudo da resistência à corrosão de ligas de alumínio com grãos ultrafinos obtidos por deformação plástica severa através do processo ECAP
(Universidade Federal de São Carlos, 2017-10-02)
The present work evaluated the effect of severe plastic deformation and ultrafine grains, obtained through the ECAP (equal-channel angular pressing) process, in the corrosion resistance of AA1050 aluminum alloy. The ...
Análise de tensões residuais de juntas soldadas em engrenagens de moenda de cana em aço baixa liga
(Universidade Federal de São Carlos, 2015-08-07)
Residual stresses are those which remain in the part when all the external mechanical stress applied previously are removed. These residual stresses often appear in parts subjected to different thermal or mechanical ...
Refratários avançados sinterizados com líquidos transientes
(Universidade Federal de São Carlos, 2017-03-09)
Sintering additives (AS) have great potential to be applied in refractory castables as they reduce the densification temperature of these products. Additionally, these components may induce the generation of a transient ...
Deformação plástica severa da liga Ti-13Nb-13Zr
(Universidade Federal de São Carlos, 2017-03-03)
Biomedical devices currently in use (prostheses, implants) have satisfactory performance in many cases. However, sometimes the body reacts to the device insertion and may lead to its rapid replacement. Some of these ...
Produção, caracterização estrutural e propriedades de armazenagem de hidrogênio de ligas Mg-Zr
(Universidade Federal de São Carlos, 2017-03-31)
Magnesium is considered a promising candidate in applications of storage hydrogen in the solid state, due, among other factors, to its low relative cost and high gravimetric capacity (7,6 wt%.). For magnesium, the use of ...
Refusão superficial a laser da liga com memória de forma Cu-11,8Al-3,2Ni-3Mn (% Peso)
(Universidade Federal de São Carlos, 2017-02-10)
Shape memory alloys (SMA) are alloys that undergo martensitic transformation due to an external solicitation (temperature, stress, strain or magnetic field) and are capable of recovering permanent deformation when heated ...
Desenvolvimento de novos compostos de borracha natural a partir da desvulcanização em extrusora com rosca dupla
(Universidade Federal de São Carlos, 2017-03-08)
The present study investigated the utilization efficiency of an intermeshing
co-rotating twin-screw extruder (ICTSE) in the devulcanization of natural rubber
compounds (NR), evaluating the physical, chemical and mechanical ...
Solidificação da liga de alumínio 319 conformada por spray
(Universidade Federal de São Carlos, 2017-03-03)
The main application of 319 aluminum alloy is for manufacturing components for automobile industry. One of the main concerns related to the recycling of this metal is regarding the incorporation of impurities as iron, for ...
Aperfeiçoamento de um detector de espalhamento de luz laser em baixo ângulo (LALLS in-line) para acompanhamento em tempo real do processo de extrusão
(Universidade Federal de São Carlos, 2015-02-27)
The morphology of extruded multiphase polymer systems is usually
assessed through off-line characterization methods such as microscopy, which
require much time for sample preparation and analysis of the results. This ...