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Modificação da superfície de poliestireno por imersão em plasma para inibição da staphylococcus epidermidis.
(2014-06-05)
Polymeric materials, such as polystyrene, are widely used as biomaterials, both in the pharmaceutical industry and biomedical areas. With the use of more specialized biomaterials, it is reported a significant increase of ...
Desenvolvimento de nanocompósitos de borracha clorobutílica/borracha natural com montmorilonita para aplicação em revestimentos internos de pneus sem câmara de ar
(2014-06-23)
The aim of this work is combining the properties of chlorobutyl rubber (CIIR) and natural
rubber (NR) in a binary blend for applications in tubeless tire inner liner, using
organomodified clay - montmorillonite (OMMT) – ...
Determinação da espessura de camadas duras em aços por técnicas magnéticas
(2014-07-10)
The process most commonly used for surface hardening of steels is annealing. Using conventional thermal treatments, hardened layers were formed on SAE 1020 and SAE 8620 steel by diffusion of carbon into the surface. The ...
Estudo da ação antimicrobiana pela modificação de regiões próximas à superfície de aço inoxidável
(2014-11-24)
The biofilms are a new form of life that offers greater resistance to microorganisms, protecting them against physical and chemical aggressions of the surroundings, which facilitate its adaptation in adverse conditions. ...
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 ...
Influência da resistência dos metais de adição AWS A5.18: ER70S-6 e AWS A5.28: ER110S-G nas propriedades mecânicas aplicado em estruturas soldadas de prensas hidráulicas
(2019-07-19)
Frequently the structures of industrial machines, in this case, hydraulic presses, are manufactured with steel sheets with low carbon content and are joined through welding processes. These processes generate high heat, ...
Desenvolvimento de ensaio dinamométrico em escala reduzida para sistema de freio de sapata ferroviária
(2019-12-16)
This work was aimed at the development of a small scale test for a railway shoe brake system. Bibliographic research on the scale test phenomena was carried out, building a prototype alternative and analysing its applicability ...
Adaptação de forno micro-ondas doméstico para preparação de poliedros oligoméricos silsesquioxanos - POSS
(2015-09-14)
Hybrid materials, such as polyhedral oligomeric silsesquioxanes (POSS), nowadays have received special attention because they are materials that have a synergistic combination of organic and inorganic materials properties. ...
Viabilidade da incorporação de resíduos vitrificados de isoladores elétricos cerâmicos no processo de obtenção de revestimentos refratários produzidos a partir de concreto sílico-aluminoso
(2014-07-10)
With the approval of the 12.305/2010 law establishing the National Policy on Solid Waste (NPSW), all waste generated in Brazilian territory should be reduced, treated and reused within the concept of sustainable development. ...
Otimização da adesão de filmes de DLC sobre aço SAE 4140 utilizando intercamadas contendo silício depositadas a partir de tetrametilsilano
(2022-11-16)
Diamond-like carbon (DLC) films have been gaining space in the automotive, aeronautical, biomedical and decorative industries due to their low coefficient of frictionand high wear resistance. However, the low adhesion ...