“#VemPraRua”: as manifestações de junho de 2013 em São Paulo e a nova esfera pública

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Superfícies projetadas: uma simbiose dos processos criativo e executivo

This study aims to recognize the Surface Design as specialty hybrid and clarify the relationship between surface and design through projetual creative act and technical. The study shows that there projetual hybridity in the design of the Surface Design and the same occurs in two distinct stages: the creative phase , where the inherent design specialties together for their training , and executive process in which the diversity of technical information and construction procedures to assist the integration of design with other productive areas . Identify the products presented its projected surface condition , based on concepts checked the state of the art Surface Design was an action that enabled the verification of functional, aesthetic and symbolic object concepts . To evaluate this condition are presented six case studies to verify the levels of cooperation and implementation of the specialties of Design in objects that are highlighted by presenting different surfaces. Among the products are: DKR chair, bench Pai João, bench R540, Híbridos table, Facetas table and bench Xique-xique.

Minhocão: entre o céu e o chão. Metamorfoses espaciais na metrópole paulistana

Apresentando-se como um complexo aparato urbano em uma localidade já tão heterogênea na área central da cidade de São Paulo, o Minhocão divide bairros e opiniões. O trabalho presente propõe-se a apresentar suas diversas facetas, os usos a que a população destina o Elevado Costa e Silva e desconstruiruir seus paradigmas. Analisar sua multiplicidade, e por fim, apresentar um projeto de intervenção apoiado em referências teóricas e projetuais, levando-se em consideração as singularidades desta via elevada

Crescimento epitaxial e caracterização de filmes finos: óxidos condutores e ferroelétricos preparados por deposição de solução química

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Fernando Henrique Cardoso e a dependência da região Amazônica

The goal for this research is to analyse the thinking of Fernando Henrique Cardoso (FHC), to understand his vision about underdevelopment nations and his teses about dependence, in order to comprehend its consequences of his the thinking for the Brazil and primarily to the brazilian Amazon region. Considering that the penetration geographical on Amazon and the history of the region make part of the totality of the process on expansion of the capitalism, in his form, function, rythm and volume of the accumulation occurred also in the other regions of the Brazil (and abroad), we have to study it in this way, showing that is a totality. Then to understand the actions of Cardoso as president, mainly on this region. Bringing this discussion to the social function of the corporations and the many faces of underdevelopment

Cimentos bioativos injetáveis funcionalizados com peptídeo osteogênico para reparação óssea

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Características sociodemográficas e clínicas que afetam a qualidade de vida em pacientes estomizados intestinais

Pós-graduação em Enfermagem (mestrado profissional) - FMB

Violência na escola pública?: o estudo de uma realidade no município de Franca-SP

Pós-graduação em Serviço Social - FCHS

Síntese de aluminas macro-mesoporosas pelo método sol-gel acompanhado de separação de fases

Pós-graduação em Química - IQ

Torneamento da liga de alumínio da classe 6005 utilizando ferramenta cerâmica

Machining processes are one of the most important manufacturing processes in the modern world. In these processes, there are many elements which will influence in the final result of the machined part. Among them, the tools are the principal factor of the rising cost, because its global influence on the process. In aeronautical industries, this can be more evidenced due the need to machining several alloys, between them, aluminum alloys. These alloys have to demonstrate a specific surface finishing to be used in aircraft's fuselage. This kind of industry is one of the segments which is still rising in Brazil, and they are looking viable alternatives in the manufacturing processes of materials, due the need to produce more and more parts and equipment, with costs increasingly reduced. The purpose of this project is the development of a ceramic with differentiated properties. The ceramics were developed using a pre-sintering at 1200 °C, with posterior sintering at 1600°C, and subjected to dry turning process on aluminum alloy 6005. The characterizations showed that ceramics presented with toughness on the center of 1700 MPa and on the surface of 1950 MPa, density 98,5 ±0,14. g/cm³. Ceramics were grinded and faceted, according to ISO standard 1832, and subjected to turning tests in a ROMI lathe brand, model GL240M, using cutting speeds of 500, 800 and 1000 m/min with different feed rates. The machining results showed low occurrence of flank wear to all cutting speeds, and better surface finishing average values of Ra = 0,4935 μm and Rt = 8,112 μm. In general, it could be seen that the tool presents important potential to machining 6005 alloy, and that the use of correct parameters can decrease and/or eliminate subsequent processes, providing important reductions in costs related to the machining processes

Estudo da utilização de ferramentas a base de nitreto de silício (Si3N4) e alumina (Al2O3) na usinagem do ferro fundido vermicular

Machining is one of the most commonly manufacturing processes used in the modern world, consuming millions of dollars annually. Because of this, it is crucial for the automotive industry to reduce costs on their heat-resistant alloy machining processes, such as compacted graphite iron (CGI), which has shown an increasing trend of its application in diesel engine blocks, brakes disks, among other applications, due to its superior mechanical properties to gray cast iron. Despite this advantage, its use is still limited due to its difficulty of machining, moreover, cutting tools are displayed as the main factor in increasing the machining cost. Seeking an alternative to a better machinability of CGI, this paper aims to study two types of ceramic tools developed in Brazil, and benchmark their performance by dry turning. For this, were used CGI class 450 and two tools: ceramic of silicon nitride (Si3N4) and alumina-based (Al2O3), with a cutting speed (Vc) of 300, 400 and 500 m / min; feed (f) of 0.2 mm / rev and depth of cut (ap) of 0.5 mm, using three replicates and starting with new cutting edges. The results showed that the Al2O3 tool had the best performance in Vc of 500 m / min, while the Si3N4 tool had the best results in Vc of 300 m / min. This can be explained by the tool of Si3N4 based include soft intergranular phase, called amorphous, while alumina has higher abrasion resistance due to its high refractoriness. The results make it clear that the tools have significant potential for machining of compacted graphite iron, being necessary a strict control of the cutting parameters used

Torneamento da liga de alumínio da classe 6005 utilizando ferramenta cerâmica

Machining processes are one of the most important manufacturing processes in the modern world. In these processes, there are many elements which will influence in the final result of the machined part. Among them, the tools are the principal factor of the rising cost, because its global influence on the process. In aeronautical industries, this can be more evidenced due the need to machining several alloys, between them, aluminum alloys. These alloys have to demonstrate a specific surface finishing to be used in aircraft's fuselage. This kind of industry is one of the segments which is still rising in Brazil, and they are looking viable alternatives in the manufacturing processes of materials, due the need to produce more and more parts and equipment, with costs increasingly reduced. The purpose of this project is the development of a ceramic with differentiated properties. The ceramics were developed using a pre-sintering at 1200 °C, with posterior sintering at 1600°C, and subjected to dry turning process on aluminum alloy 6005. The characterizations showed that ceramics presented with toughness on the center of 1700 MPa and on the surface of 1950 MPa, density 98,5 ±0,14. g/cm³. Ceramics were grinded and faceted, according to ISO standard 1832, and subjected to turning tests in a ROMI lathe brand, model GL240M, using cutting speeds of 500, 800 and 1000 m/min with different feed rates. The machining results showed low occurrence of flank wear to all cutting speeds, and better surface finishing average values of Ra = 0,4935 μm and Rt = 8,112 μm. In general, it could be seen that the tool presents important potential to machining 6005 alloy, and that the use of correct parameters can decrease and/or eliminate subsequent processes, providing important reductions in costs related to the machining processes

Estudo da utilização de ferramentas a base de nitreto de silício (Si3N4) e alumina (Al2O3) na usinagem do ferro fundido vermicular

Machining is one of the most commonly manufacturing processes used in the modern world, consuming millions of dollars annually. Because of this, it is crucial for the automotive industry to reduce costs on their heat-resistant alloy machining processes, such as compacted graphite iron (CGI), which has shown an increasing trend of its application in diesel engine blocks, brakes disks, among other applications, due to its superior mechanical properties to gray cast iron. Despite this advantage, its use is still limited due to its difficulty of machining, moreover, cutting tools are displayed as the main factor in increasing the machining cost. Seeking an alternative to a better machinability of CGI, this paper aims to study two types of ceramic tools developed in Brazil, and benchmark their performance by dry turning. For this, were used CGI class 450 and two tools: ceramic of silicon nitride (Si3N4) and alumina-based (Al2O3), with a cutting speed (Vc) of 300, 400 and 500 m / min; feed (f) of 0.2 mm / rev and depth of cut (ap) of 0.5 mm, using three replicates and starting with new cutting edges. The results showed that the Al2O3 tool had the best performance in Vc of 500 m / min, while the Si3N4 tool had the best results in Vc of 300 m / min. This can be explained by the tool of Si3N4 based include soft intergranular phase, called amorphous, while alumina has higher abrasion resistance due to its high refractoriness. The results make it clear that the tools have significant potential for machining of compacted graphite iron, being necessary a strict control of the cutting parameters used

Restauração de mancha hipocalcificada empregando matriz vestibular: relato de caso

A quebra da harmonia do sorriso dos pacientes pode ser decorrente da redução da quantidade de mineral depositado, ocasionando um defeito qualitativo considerado como hipocalcificação2. A hipocalcificação de carácter adquirido local nos dentes anteriores é muito comum devido ao trauma ou lesão periapical nos dentes decíduos, que podem levar à alteração da formação dos germes dos dentes permanentes1. Essas anomalias podem se apresentar em diferentes tamanhos e profundidades e, por isso, os tratamentos a serem realizados variam desde os mais conservadores, como clareamento ou microabrasão, até os mais invasivos, como facetas indiretas ou coroas totais, além da associação desses tratamentos quando existir a necessidade. As alterações hipocalcificadas profundas que acometem toda espessura do esmalte e apresentam alteração de cor com comprometimento da estética, necessitam de desgaste e posterior restauração adesiva para estabelecer a estética dental. As resinas compostas vêm sendo amplamente utilizadas nesses casos devido às suas características óticas de translucides e opacidade, além das suas propriedades adesivas e mecânicas, como resistência, durabilidade, selamento marginal, manutenção da cor e lisura superficial. O caso apresentado é de um paciente do sexo masculino, 12 anos, que compareceu à clínica relatando insatisfação com a mancha presente no dente anterior. Após anamnese e exame clínico, constatou-se um comprometimento parcial da calcificação da face vestibular do incisivo central superior permanente (21) (hipocalcificação adquirida de caráter local)1. Após exame clínico e radiográfico, o tratamento proposto foi o restabelecimento da estética do elemento 21, que se encontrava com alteração de cor, através de desgaste do esmalte e restauração adesiva estética. Ao observar o aspecto final da restauração após o acabamento e polimento e o sorriso final do paciente, pôde-se comprovar o excelente resultado estético conseguido com o procedimento restaurador direto associado à muralha vestibular confeccionada com cimento provisório fotoativado.

Pozolanicidade dos resíduos industriais, lã de vidro e lã cerâmica

As fibras cerâmicas se caracterizam por ser um material leve, com alto grau de pureza, baixo armazenamento de calor, baixa condutividade térmica, resistência a choque térmico e alta resistência à corrosão em altas temperaturas. Essas características levam a uma grande procura das indústrias mínero-metalúrgicas e de outros setores para revestimentos de distribuidores, muflas, fornos de aquecimentos, entre outros. Após utilização no processo, por perderem sua capacidade de isolamento, os resíduos gerados precisam de destinação. Esse trabalho enfoca, especificamente, resíduos de lã cerâmica e lã de vidro. Pelo fato de a composição das fibras cerâmicas ser rica em sílica e alumina, efetuou-se uma investigação acerca da atividade pozolânica das mesmas com a cal e o cimento, especificamente CPV ARI, CPII E32 e CPIII 32RS, para avaliação da perspectiva de reciclagem em possível incorporação no concreto.