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Now showing items 21-30 of 31
Modificação química de poli(ácido láctico) com anidrido maleico por processamento reativo
(Universidade Federal de São Carlos, 2014-08-18)
The chemical modification of PLA with maleic anhydride by reactive processing and the extent of reaction and degradation reactions, were studied. Routes of grafting reaction of maleic anhydride in PLA were evaluated. Dicumyl ...
Estruturação da blenda de PP/PVMS na presença de nanopartículas
(Universidade Federal de São Carlos, 2014-09-26)
Blends technology get by mechanical blend extends the range of polymer properties and makes it possible to fit them for specific applications. The performance and the mechanical properties of immiscible polymer blends are ...
Laminação em atmosfera inerte de ligas à base de magnésio para armazenagem de hidrogênio
(Universidade Federal de São Carlos, 2014-08-08)
In recent decades, the use of energy presented strong growth due to the need of supplying the daily energy consumption of approximately seven billion people. To solve this problem, it has been investigated the nature, ...
Graftização de anidrido maleico em polipropileno, por extrusão reativa, na presença de nanopartículas: estudo de reação e monitoramento in-line
(Universidade Federal de São Carlos, 2014-04-17)
The grafting reaction of maleic anhydride onto polypropylene by reactive extrusion, in presence of nanoclay, was studied. The organoclay (Cloisite 20A) was used as support for dicumyl peroxide (DCP), and different amounts ...
Síntese e sinterização de pós-compósitos de aluminaboretos de alta dureza por moagem de alta energia
(Universidade Federal de São Carlos, 2014-08-04)
This work was aimed to obtain powder composite mixtures of ceramic phases with high hardness through high energy ball milling synthesis and characterization of sintered samples in terms of hardness. In an exploratory phase, ...
Nucleação, crescimento de cristais, relaxação e escoamento viscoso em vidros de diopsídio e diborato de lítio
(Universidade Federal de São Carlos, 2014-04-23)
Heated glasses undergo a variety of kinetic processes, such as crystallization, relaxation and viscous flow, that are very important both scientifically and technologically. In this work, we measured and rigorously analyzed ...
Influência de variáveis de sinterização na microestrutura e propriedades mecânicas de peças de PTFE moldadas por prensagem isostática
(Universidade Federal de São Carlos, 2014-02-03)
Polytetrafluorethylene (PTFE) is used in a wide range of critical applications because of its outstanding chemical and thermal resistance, low surface energy and special tribological properties. Because of its ultra high ...
Produção por aspersão térmica de revestimentos amorfos resistentes à corrosão e ao desgaste utilizando a liga Fe60Cr8Nb8B24
(Universidade Federal de São Carlos, 2014-12-18)
Metallic coatings are generally designed to confer high wear and corrosion resistance to the substrate to be coated. These properties are essential to make structures suitable to resist to aggressive environment and operating ...
Rebitagem por fricçao de alumínio 2024-T351 em policarbonato
(Universidade Federal de São Carlos, 2014-10-24)
This dissertation addressed the feasibility study of Friction Riveting technique on polycarbonate and 2024-T351 aluminum alloy spot joints. Design of experiments and Artificial Neural Network modelling were used to investigate ...
Cientometria aplicada a materiais para armazenamento de hidrogênio
(Universidade Federal de São Carlos, 2014-09-18)
Fossil Fuels have been used for more than a century as energy sources and vectors. Albeit their high energy densities and easy transport and containment, their availability is limited and they are notorious local pollution ...