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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 ...
Avaliação de óleo vegetal natural e epoxidado em composições elastoméricas para banda de rodagem
(2017-07-05)
The incorporation of vegetable oils into the development of tread rubber formulation has been one of the alternatives to reduce the use of oil with high contents of aromatic polycyclics. Many studies suggest the substitution ...
Aproveitamento de resíduos de granalha de aço-carbono por metalurgia do pó
(2017-07-05)
This research has determined the parameters of powder metallurgy in order to use the wasted powder from the shot blasting process and transform it in components. The wasted was evaluated by its physical and micro-structural ...
Expansão térmica de redes aleatórias de carbono
(2017-12-06)
In this work, a simulation routine of carbon random networks, with variable hybridization, oriented to calculate the coeÿcient of thermal expansion, is presented. The method uses an algorithm for the generation of carbon ...
Desenvolvimento de compósitos de matriz PA6/EVA com carbonato de cálcio com potencial aplicação na indústria automobilística
(2017-03-21)
The automotive industry is responsible for a large share of the of the global market consumption of polymeric materials, which represent today the second predominant material in vehicles. Polymers combine properties such ...
Deposição de filme metálico decorativo de AI, por evaporação térmica resistiva, em PVC plastificado com DEHP e modificado por plasma
(2017-07-06)
The surface modification of polymeric materials has led to significant design advances of new industrial applications, besides allowing the replacement of engineering polymers by lower cost materials. Thus, in the present ...