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Evaluación del desempeño mecánico de mezclas asfálticas tipo MDC-19 modificadas con grano de caucho reciclado y escoria negra de horno de arco eléctrico
(Pregrado Ingeniería Civil, 2021-09-27)
For the manufacture of asphalt mixtures, large quantities of non-renewable stone materials are consumed that cause irreversible damage to the environment. One of the alternatives to replace these materials are black slag ...
Análise de gettering e do campo retrodifusor de células solares dopadas com boro
(Pontifícia Universidade Católica do Rio Grande do SulPorto Alegre, 2008)
This dissertation work had as objective the optimization and analysis of the production of back surface field by boron diffusion and the effects of gettering and contamination with the deposition of PBF20 liquid dopant by ...
Análise de gettering e do campo retrodifusor de células solares dopadas com boro
(Pontifícia Universidade Católica do Rio Grande do SulPorto Alegre, 2008)
This dissertation work had as objective the optimization and analysis of the production of back surface field by boron diffusion and the effects of gettering and contamination with the deposition of PBF20 liquid dopant by ...
Efeito da calcinação da magnésia precipitada sobre o processamento de cimentos de fosfato de magnésio.
(Universidade Federal de São CarlosBRUFSCarPrograma de Pós-Graduação em Ciência e Engenharia de Materiais - PPGCEM, 2004-12-20)
It is great the interest for materials synthesized at room temperature
because they represent an alternative for the current problems of energy. The
class of magnesia phosphate cements belongs to this group, being ...
Metalização mecânica com Ti de placas de Al2O3 utilizando máquina ferramenta computadorizada para brasagem metal/cerâmica
(BrasilUFRNPROGRAMA DE PÓS-GRADUAÇÃO EM CIÊNCIA E ENGENHARIA DE MATERIAIS, 2015-08-22)
In this work employed the mechanical metallization technique to produce a thin film of
titanium in the ceramic substrate of alumina (Al2O3), in order to favor wetting with
conventional adding alloys. Was used an automated ...
Estudo de um forno solar do tipo caixa fabricado com materiais alternativos
(Universidade Federal do Rio Grande do NorteBrasilUFRNEngenharia Mecânica, 2018-12-20)
The present work proposes the construction of a low cost box type oven from alternative materials. Its viability, durability, maintenance, final cost and ease of transportation were evaluated when compared to a conventional ...
Microestrutura e propriedades mecânicas de ligas Al-Si hipoeutéticas conformadas por spray.
(Universidade Federal de São CarlosBRUFSCarPrograma de Pós-Graduação em Ciência e Engenharia de Materiais - PPGCEM, 2005-06-29)
The aims of this work were the microstructural and tensile properties
characterization of the hypoeutectic spray formed Al-Si 319 and 380 alloys. The
alloys were melted by induction furnace, gas atomized with nitrogen ...
Formas de utilização de energia solar e construção de fornos e aquecedores solares com uso de materiais recicláveis
(Universidade Estadual Paulista (Unesp), 2015-08-25)
The use of systems that make use of capture sunlight as an energy source It is of great interest to countries of tropical climates, Located between the tropics of Cancer and Capricorn, as is the case in Brazil, which are ...