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Now showing items 21-30 of 45
Avaliação da durabilidade de argamassas e pastas de cimentos do tipo Portland preparados com um clínquer contendo resíduo de bauxita como matéria-prima
(Universidade Federal de São Carlos, 2012-08-07)
The structures of Portland cement are frequently exposed to aggressive environments, which can lead to their degradation. Thus, the study of durability is very important to avoid damages caused by early failures as well ...
Desenvolvimento de compósito de policloreto de vinila (PVC) reforçado com fibra de vidro
(Universidade Federal de São Carlos, 2012-08-06)
This work was focused on the evaluation of the interface between short fiber glass and polymeric matrix of the PVC composites using four different sizings as fiber superficial treatment. The interface analysis was done ...
Efeitos da incorporação de resíduos de espuma rígida de poliuretano em compostos poliméricos a base de polipropileno
(Universidade Federal de São Carlos, 2012-12-07)
This research fits in the technological development area and is aimed to evaluate the effects of adding waste of rigid polyurethane foam in the polymeric compounds based on polypropylene. The results of this research will ...
Estudo das variáveis que afetam a tenacidade e a ductilidade do aço PH13-8Mo utilizado na indústria aeronáutica
(Universidade Federal de São Carlos, 2012-10-27)
Precipitation Hardening Stainless Steel PH13-8Mo is a high strength steel used in the aerospace industry. Beyond the high strength, this grade has relatively high toughness and ductility for the strength achieved. The ...
Módulo elástico como ferramenta para o acompanhamento de transformações in situ e desenvolvimento de concretos refratários
(Universidade Federal de São Carlos, 2012-09-12)
Refractory castables are multiphase materials usually exhibiting complex heterogeneous microstructures, which have their mechanical strength affected by chemical and structural changes. These microstructural changes directly ...
Avaliação de modelos de sinterização por fluxo viscoso e determinação da taxa de crescimento de cristais e fração cristalizada em vidros
(Universidade Federal de São Carlos, 2012-08-16)
Glass-ceramics are materials obtained from the controlled crystallization of glass. The properties of these materials are controlled by the nature and proportions of the crystalline phases and residual glass present. ...
Estudo do processo de soldagem por fricção por ponto da liga de magnésio AZ31
(Universidade Federal de São Carlos, 2012-08-17)
The great potential of magnesium alloys on reducing structural weight and therefore contributing with energy efficiency of transportation facilities has mainly attracted the automotive and aeronautic industries. The ...
Avaliação de sistemas compatibilizantes nas correlações entre processamento e propriedades térmicas, mecânicas e de transporte em nanocompósitos de blenda HDPE/LLDPE e OMMT
(Universidade Federal de São Carlos, 2012-04-11)
Polyolefin nanocomposites have attracted significant technological and scientific interest due to the possibilities of improvements in thermal, mechanical and barrier properties. However, the hydrophobic nature of polyolefins ...
Produção e caracterização de filmes finos recobertos com albumina e fibronectina
(Universidade Federal de São Carlos, 2012-06-28)
Properties related to the increase in the durability of the implants and reliable and faster biological responses are commonly exploited in different areas of scientific research. The physical and chemical phenomena that ...
Reciclagem de cavacos de ligas de alumínio 7050-T7451 utilizando conformação por spray e tratamentos termomecânicos
(Universidade Federal de São Carlos, 2012-08-09)
The aim of this work is to conjugate a sort of known processing techniques in to a machining chips recycling route. These are generate during airframe primary parts from AA 7050-T7451, purchased according to AMS 4050H. The ...