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Itens para a visualização no momento 21-29 of 29
Efeito do hidrogênio e mecanismos na pós-oxidação por plasma pulsado de ligas ferrosas nitretadas
(2014-06-03)
This work shows the hydrogen effect and the influence of processing temperature and time in the post-oxidation treatment by pulsed plasma on nitrided AISI 1045 ferrous alloy. The crystalline structure was analyzed by X-ray ...
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) – ...
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 ...
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. ...
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 ...
Composições elastoméricas reforçadas com fibras para o revestimento de superfícies metálicas
(2023-02-15)
The usage of elastomeric materials for pipeline coating realizes a technic to protect the metallic materials, mainly against abrasion wear. The rubber layer must be sufficiently resistant to friction caused by the passage ...
Avaliação da influência da mistura de elastômeros nas propriedades físico-químicas e mecânicas de formulações elastoméricas
(2023-11-07)
This study aimed to evaluate the influence of the mixture of different polymers such as natural rubber ((poly(cis-2-methyl-buta-1,4-diene)) (NR), styrene-butadiene copolymer (poly(buta 1,3-diene-co-styrene)) (SBR) and ...