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Influência da geometria da nanocarga na estruturação, orientação e propriedades de filmes tubulares de nanocompósitos de PA6
(Universidade Federal de São Carlos, 2012-06-13)
The structure and morphology of polymers and consequently their properties are dependent on the processing conditions. During the blown film process, high shear and elongational flows can induce a preferred orientation of ...
Síntese por redução carbotérmica assistida por micro-ondas de carbeto de zircônio
(Universidade Federal de São Carlos, 2013-09-12)
One of the major motivations for the development of new synthesis routes is a continuing need for fast and energy-efficient methods that allow obtaining materials with differentiated technological characteristics and ...
Processamento e estudo das propriedades de filmes e peças injetadas de nanobiocompósitos de nanocristais de celulose e matrizes biodegradáveis
(Universidade Federal de São Carlos, 2014-04-04)
This study aimed at evaluating the potential of application of cellulose nanocrystals as reinforcing elements of biodegradable polymeric matrices, in the films and injection molded pieces applications. Two polymeric matrices ...
Conformação por spray da liga amorfizável a base de ferro [(Fe0,6Co0,4)0,75B0,2Si0,05]96Nb4
(Universidade Federal de São Carlos, 2015-10-29)
The use of amorphous metals becomes a large market in the industry of micro-components and/or milimetric machine parts, presenting excellent magnetic and mechanical properties and high glass forming ability such as the ...
Desenvolvimento da microestrutura do BaCeO3 dopado com ítrio sob a influência do ZnO como aditivo de sinterização: correlação com a condutividade protônica
(Universidade Federal de São Carlos, 2013-12-13)
Yttrium-doped barium cerate perovskites are promising electrolyte for solid oxide fuel cell (SOFC) due to high proton conductivity at intermediate temperature, 400-600°C. However, the proton conductivity is not an intrinsic ...
Estudo de fibras de folhas de abacaxis (gênero Ananas) e sua utilização em compósitos biodegradáveis com matriz de poli(ácido lático) (PLA)
(Universidade Federal de São Carlos, 2014-08-19)
In this work natural fibers from new pineapple varieties were studied aiming at their application as mechanical reinforcement for green polymer composites. Eighteen varieties of pineapple leave fibers (PALFs) were then ...
Aplicação e avaliação de critérios semi-empíricos para o desenvolvimento de novas ligas vítreas do sistema Ti-Cu-Ni
(Universidade Federal de São Carlos, 2013-06-26)
The selection of good glass forming compositions is not a simple undertaking and many groups work on models and theoretical approximations in order to predict or at least guide the laborious and expensive experimental ...
Tratamentos de superfícies em Ti-CP, Ti-6Al-4V e Ti-6Al- 7Nb visando a osseointegração de implantes: propriedades das superfícies e respostas osteoblásticas
(Universidade Federal de São Carlos, 2013-07-10)
The aim of this study was to evaluate the properties of the surfaces of CP-Ti, Ti-6Al-4V, Ti-6Al-7Nb alloys modified via chemical treatments, as well as evaluating the behavior of human osteoblastic cells as function of ...
Influência da adição de Nb, Ti e Zr nas propriedades de fluência da liga HP fundida por centrifugação
(Universidade Federal de São Carlos, 2014-08-05)
This work aimed to evaluate the influence caused by Nb single addition and by Nb-Ti and Nb-Zr combined addition in the high temperature mechanical properties of a centrifugally cast HP alloy. Particular investigation was ...
Nucleação, crescimento de cristais, relaxação e escoamento viscoso em vidros de diopsídio e diborato de lítio
(Universidade Federal de São Carlos, 2014-04-23)
Heated glasses undergo a variety of kinetic processes, such as crystallization, relaxation and viscous flow, that are very important both scientifically and technologically. In this work, we measured and rigorously analyzed ...