Nancy Isabel Alvarez Acevedo
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View article: Propriedades térmicas e mecânicas de compósitos de polipropileno reforçados com fibras curtas de carbono e grafeno
Propriedades térmicas e mecânicas de compósitos de polipropileno reforçados com fibras curtas de carbono e grafeno Open
Os compósitos termoplásticos reforçados com fibras curtas de carbono apresentam propriedades excelentes para aplicações na indústria automotiva, onde alta resistência e leveza são requeridas. Além disso, podem ser processados através de té…
View article: Determinação da área superficial específica e da porosidade de duas amostras de argilas provenientes da bacia de Taubaté- São Paulo / Determination of specific surface area and porosity of two clays originated from Taubaté- Basin – São Paulo
Determinação da área superficial específica e da porosidade de duas amostras de argilas provenientes da bacia de Taubaté- São Paulo / Determination of specific surface area and porosity of two clays originated from Taubaté- Basin – São Paulo Open
A área superficial específica é uma das propriedades que exercem efeito significativo nas características adsortivas de argilas e consequentemente sobre seu potencial de aplicação industrial. Neste trabalho, a área superficial específica e…
View article: Mercerization effect on the properties of LDPE/PHB composites reinforced with castor cake
Mercerization effect on the properties of LDPE/PHB composites reinforced with castor cake Open
The aim of this work was to investigate the effects of mercerization on the structure of castor oil cake (CC) and on the tensile properties of LDPE/PHB/CC composites. To achieve this goal, the fibers were treated with NaOH solutions (5 and…
View article: Desenvolvimento e caracterização de concretos produzidos com substituição parcial do agregado miúdo por resíduos de cabos de plataformas de petróleo
Desenvolvimento e caracterização de concretos produzidos com substituição parcial do agregado miúdo por resíduos de cabos de plataformas de petróleo Open
RESUMO A incorporação de resíduos e a redução do teor de agregados minerais em formulações de concreto são ações que contribuem para a preservação ambiental. O objetivo desse estudo é desenvolver e avaliar as propriedades e a porosidade de…
View article: Development of Polypropylene Nanocomposites Filled with Clay Particles from Cubati/Brazil
Development of Polypropylene Nanocomposites Filled with Clay Particles from Cubati/Brazil Open
The aim of this work is to expand the field of applications of bentonite clays from Cubati, Paraiba, through the development of polymeric nanocomposites. A Brazilian bentonite clay from Cubati, Paraiba, was used to produce an organophilic …
View article: Mercerization effect on the properties of LDPE/PHB composites reinforced with castor cake
Mercerization effect on the properties of LDPE/PHB composites reinforced with castor cake Open
The aim of this work was to investigate the effects of mercerization on the structure of castor oil cake (CC) and on the tensile properties of LDPE/PHB/CC composites. To achieve this goal, the fibers were treated with NaOH solutions (5 and…
View article: Niobium oxide (NB2O5) filled high modulus polyethylene extrudable (HMPEX) composites: tensile properties
Niobium oxide (NB2O5) filled high modulus polyethylene extrudable (HMPEX) composites: tensile properties Open
The present study reports the development of composites of high-modulus polyethylene extrudable (HMPEX) filled with niobium oxide (Nb2O5) for using in therapeutic applications.The effect of filler content on mechanical properties of compos…
View article: Mineralogical characterization of natural clays from Brazilian Southeast region for industrial applications
Mineralogical characterization of natural clays from Brazilian Southeast region for industrial applications Open
Characterization studies of clays are often performed to identify possible markets for these materials. Bearing this in mind, two samples of natural clays from the Southeast region of Brazil were studied. Conventional techniques of charact…
View article: Risk management and prevention methodologies: a comparison
Risk management and prevention methodologies: a comparison Open
In this paper we analyze nine risk management and prevention methodologies, carrying out a comparison of the stages that they include and determining if they take into account the human factor in the risk analysis and treatment. We observe…