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Estudo da obtenção de nitreto de boro hexagonal por rotas de síntese assistidas por micro-ondas
(Universidade Federal de São Carlos, 2018-02-05)
Boron nitride (h-BN) is an attractive ceramic material that combines
excellent thermal, electrical and chemical properties. The combination of these
properties makes h-BN useful in the manufacturing of lubricants, ...
Concretos refratários avançados contendo nano-óxidos produzidos pelo Método Pechini
(Universidade Federal de São Carlos, 2018-06-06)
Recently there is a great effort to use the benefits of nanometric powders additions in the matrices of advanced refractory concretes of ; low (LC), ultra low (ULC) and no cement (NC) refractory concretes, in order to make ...
Otimização da condutividade iônica de vitrocerâmicas condutoras por íon sódio: controle microestrutural e busca de novas composições
(Universidade Federal de São Carlos, 2020-04-03)
Sodium-based materials are promising candidates for manufacturing stationary storage devices such as batteries due to their low cost and the Na high redox potential. However, the corrosion, flammability, and the degradation ...
Estudo de ligas Ti-Nb-Zr e Ti-Nb-Mg, fundidas e na forma de recobrimentos sobre aço inoxidável, para aplicações biomédicas
(Universidade Federal de São Carlos, 2019-10-31)
In the present thesis, nanostructured coatings of Ti (100 - (20 + z)) -Nb20-Xz alloys (X = Zr and Mg) were produced by sputtering. So with that, it was possible to analyze the effect of the addition of Zr and Mg on the ...
Caracterização e avaliação de filmes metálicos para uso em ultra-alto vácuo
(Universidade Federal de São Carlos, 2007-11-27)
The construction of ultra-high vacuum chambers (UHV) for particle accelerators demands pressure in the range of 10-8 Pa, and this is particularly difficult to achieve in chambers with the length to traverse section rate ...
Efeito da porosidade sobre o manchamento de porcelanato polido
(Universidade Federal de São Carlos, 2009-12-15)
Porcelain tile is a type of ceramic tile which has shown the highest worldwide expansion in recent years due to the excellent technical and esthetic qualities of the product, which have augmented the possibilities of its ...
O uso de um vidro altamente bioativo para conferir bioatividade à superfície do titânio: desenvolvimento de um método para recobrimentos descontínuos
(Universidade Federal de São Carlos, 2013-03-15)
Bioactive glasses - or glass-ceramics, exhibit the largest known bioactivity index due to their osteoinductive property - among others. Theirs bonding to bone is also one of the strongest known, but they have poor mechanical ...
Cerâmicas refratárias macroporosas derivadas de espumas ultraestáveis estabilizadas com partículas cerâmicas
(Universidade Federal de São Carlos, 2020-11-03)
Innovation on materials for heat conservation in high-temperature industrial
processes is seen as an important strategy for Energy Efficiency. Fundamental
studies can support the development of these materials and the ...
Influência da adição de cério na resistência à corrosão e efeito de memória de forma em ligas Fe-Mn-Si-Cr-Ni-(Ce)
(Universidade Federal de São Carlos, 2020-09-03)
The interest in scientific and technological development of Fe-Mn-Si-Cr-Ni shape memory alloys is increasing in the last years. The improvement of key properties of theses alloys should enable its use in different applications, ...
Scaffolds de óxido de titânio e biosilicato para aplicações médicas e odontológicas obtidos com o uso de partículas orgânicas
(Universidade Federal de São Carlos, 2015-01-30)
Scaffolds are an alternative to natural grafts to help bone regeneration in
large bone defects. Regardless of the material chosen for its manufacture,
scaffold should have a suitable dimensional microenvironment to ...