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Now showing items 11-20 of 282
Soldagem por ponto por fricção das ligas de alumínio 5A06-O/2219-T87: caracterização mecânica e microestrutural
(Universidade Federal de São Carlos, 2022-11-30)
Refill Friction Stir Spot Welding (RFSSW) is a solid-state joining technique for welding dissimilar and similar materials applied to light alloys and thermoplastics. Thus, the purpose of this work was to evaluate the ...
Produção de ácido hialurônico microbiano: viabilidade econômica e avaliação de impactos ambientais
(Universidade Federal de São Carlos, 2022-10-28)
Hyaluronic acid is a biopolymer with unique structural and rheological properties, that, initially, was produced by extraction from animal tissue, from rooster comb. However, it used non-ecofriendly solvents (chloroform) ...
Arilsulfonilação tri componente de diidrofurano e ésteres vinílicos via catálise dual níquel/fotorredox
(Universidade Federal de São Carlos, 2022-03-29)
The pursuit of synthetic protocols aligned to sustainability goals, increasingly necessary in the global context in which we operate, caused a great effort by synthetic chemists to develop photocatalytic methodologies ...
Processamento reativo de blendas de amido termoplástico/poli(butileno succinato) (TPS/PBS)
(Universidade Federal de São Carlos, 2022-08-11)
Thermoplastic starch is a natural and biodegradable polymer. However, it has some disadvantages attributed to its hydrophilic character, low mechanical properties and the phenomenon of retrogradation. These limitations can ...
Caracterização óptica on-line das misturas dispersiva e distributiva na extrusão dupla rosca
(Universidade Federal de São Carlos, 2022-12-14)
In this work, the effect of different kneading blocks on the dispersive and distributive mixing levels of a diluted PS/PA6 mixture along the screw profile of a twin-screw extruder was investigated via online monitoring of ...
Bibliometria e análise de conteúdo sobre o ensino por competências na educação em engenharia de materiais
(Universidade Federal de São Carlos, 2022-04-08)
Engineering education is a field of great importance, due to its ability to graduate strategic professionals to support the socioeconomic growth of the countries. Materials Engineering, for instance, emerged in Brazil with ...
Estudo químico de Erythricium salmonicolor, sua interação com a bactéria Xanthomonas citri e síntese de complexos antimicrobianos
(Universidade Federal de São Carlos, 2022-06-28)
CHEMICAL STUDY OF Erythricium salmonicolor, ITS INTERACTION WITH THE BACTERIA Xanthomonas citri AND SYNTHESIS OF ANTIMICROBIAL COMPLEXES. The search for bioactive natural products has been increasingly important in the ...
Estudo ab initio das propriedades estruturais e eletrônicas de óxidos de tungstênio
(Universidade Federal de São Carlos, 2022-03-04)
In the last two decades, tungsten oxide (WO3) has been a target of the scientific and technological interest community due to its optical and magnetic properties, which finds important applications such as sensors, ...
Movimentos sociais, mercado e internet: o ativismo gordo no Brasil
(Universidade Federal de São Carlos, 2022-12-05)
This study details the diffusion of critical ideas about fatness present in Fat Activism and Fat Studies in three main spaces: academic world, internet and markets. In order to understand how the narrative that fights ...
Desenvolvimento e caracterização de biocompósitos de blendas TPU/PCL com hidroxiapatita para produção de scaffolds bioativos via impressão 3D
(Universidade Federal de São Carlos, 2022-08-02)
The increasing need for biological tissues to treat defects caused by disease or injury has demanded new solutions to provide functional substitutes that supply tissue shortages and suit the needs of each patient. In this ...