Buscar
Itens para a visualização no momento 21-30 of 150
Avaliação da corrosão no aço AISI 4140 nitrocarbonetado e pós-oxidado a plasma em etanol hidratado combustível
(2014-06-24)
Environmental and energy sustainability issues have promoted the search for biofuels
produced from renewable sources, such as ethanol obtained from sugarcane processing.
However, this new generation of biofuels can cause ...
Desenvolvimento de compósitos com base em rejeito de tecidos de algodão e acrílico em matriz de polietileno de alta densidade
(2014-05-12)
Composites of high density polyethylene (HDPE) with waste textile fiber (WTF) with optimized mechanical properties were developed in order to make possible the recycling these residues. In order to accomplish this goal, ...
Preparação, caracterização e aplicação de híbridos de montmorilonita-alginato-nanopratas na desinfecção de efluentes industriais para águas de reuso
(2015-03-04)
Different techniques have been developed to eliminate microorganisms from industrial wastewater and improve its final quality for reuse. Among them, the use of silver nanoparticles (AgNPs) anchored on montmorillonite (MMT) ...
Efeito da temperatura na estrutura físico-química de intercamadas depositadas a partir de HMDSO para adesão de DLC em aço
(2016-08-09)
Diamond-like carbon thin films (DLC) show a unique combination of properties such as high wear resistance and ultra-low friction. However, a widespread use regarding energy efficiency issues in the automobile industry is ...
Estudo da adsorção do corante azul de metileno por um resíduo sólido da indústria do suco de maça
(2016-07-22)
The development of new technologies for the treatment of wastewater containing dyes has generated a great interest in recent years, due to increase awareness about environmental preservation, in addition to the rigidity ...
Avaliação química, microestrutural e tribológica de filmes finos de TiCxNy produzidos por arco catódico para aplicações decorativas
(2016-11-24)
The deposition of thin films can be employed to modify and/or functionalize the properties of a material’s surface, improving wear resistance (tribological properties) or changing the resistivity (electrical properties). ...
Comparação entre diferentes intercamadas contendo silício para adesão de filmes de DLC sobre substrato de aço AISI 4140
(2017-03-06)
Diamond-like carbon (DLC) films research has a high academic appeal, is being developed for more than four decades. Nowadays, the industrial needs in their properties, such as high wear resistance and superlow friction ...
Influência do metal de adição e da energia de soldagem na microestrutura e resistência à fadiga de juntas soldadas de aço de alta resistência e baixa liga DIN S700MC
(2017-05-10)
High strength and low alloy steels (HSLA) are attractive alternative in structural applications. Due to the low carbon and alloying elements (Ni, V and Ti) contents, HSLA steels show good levels of toughness and mechanical ...
Estudo das propriedades dinâmico-mecânicas e fluência de compósitos epóxi/tecido não-dobrável de carbono produzidos por VARTM e RFI
(2017-03-16)
The excellent cost-weigh-performance relationship of polymeric composites compared to traditional materials became a reason to development of advanced materials for structural application such as carbon/epoxy composites, ...
Melhoramento de sensores magnetostrictivos de deformação
(2017-04-06)
Magnetic amorphous ribbons have a great variety of sensorial applications due to their magnetic properties. The possibility of being remotely queried allows their application in cases where sensors with wired connections ...