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Influência da restrição do fluxo na microestrutura e nas propriedades mecânicas de compósitos de poliamida 6.6 reforçados por fibras de vidro longas obtidos por injeção
(2014-06-24)
Currently there is a large growth in the use of thermoplastic composites reinforced
with long glass fiber. These composites have the mechanical properties required for
structural and automotive applications, because they ...
Preparação e caracterização de revestimentos híbridos de poliuretano-ureia a partir de fontes renováveis
(2016-10-17)
Motivation of the work was to investigate the synthesis of polyols obtained from air induced oxidation of the commercial soybean oil and use these as precursors in the preparation of polyurethane-urea hybrid coatings. ...
Desenvolvimento e caracterização de um sensor magnetoelástico de deformação
(2018-04-28)
Amorphous metals have been shown to have magnetomechanical properties which are superior to those of any other magnetic materials. This has allowed their usage in a growing number of sensing purposes. The capacity of ...
Propriedades estruturais e mecânicas do carbeto de vanádio obtido por magnetron sputtering reativo
(2014-05-22)
The use of hard coatings has many applications in the metal-mechanic industry due to the improvement of surface properties such as high hardness and wear and corrosion resistance. One of the most important techniques for ...
Avaliação comparativa de desempenho ambiental de duas caixas de carga de semi-reboque bitrem graneleiro: compósito natural versus compósito sintético
(2014-05-19)
This work presents a comparative evaluation of the environmental performance of two materials: a wood panel and a three layers synthetic panel, both used in the production of the load box of semi-trailer for grains ...
Avaliação das técnicas de dispersão mecânica e ultrassônica de nanotubos de carbono de paredes múltiplas em resina epóxi
(2014-06-03)
In this study nanotubes/epoxy composites were produced in order to evaluate which of the two studied techniques would result in a better degree of dispersion and unentanglement of carbon nanotubes in epoxy resin. The ...
Deposição de filmes finos de nitreto de zircônio para aplicação em biomateriais
(2014-06-04)
Zirconium nitride (ZrN) nanometric films were deposited onto different substrates, in order to study the surface microstructure and also to investigate the electrochemical behavior to obtain a better composition that ...
Revestimentos protetores de nitreto de silício para aplicações tribológicas extremas
(2014-06-03)
The performance of engineering components is closely tied to surface phenomena, because it acts as an interface between the component and the environment that surrounds it. The choice of a suitable material with surface ...
Preparação e caracterização de filmes de PEBD aditivados com fotoestabilizantes para a proteção de espumantes rose
(2014-06-24)
Rosé sparkling wine is a product derived from red and/or white grapes, which after being
fermented and elaborated is stored in colorless glass bottles. Colorless bottles are useful to
store rosé type sparkling wines ...