Buscar
Itens para a visualização no momento 41-50 of 59
Estruturas multicamadas de Ti/Ti-Nb para aplicação em eletrolizadores PEM
(Universidade Federal de Santa Maria, 2019-12-04)
Proton Exchange Membrane (PEM) electrolysers are a good alternative for storing energy produced by renewable sources such as wind and solar. PEM electrolysers convert surplus energy into hydrogen that will later be burned ...
Desenvolvimento de coletores de corrente à base de Ti/NbN para eletrólise PEM da água
(Universidade Federal de Santa Maria, 2019-07-08)
Manufatura aditiva por soldagem a arco do aço AWS ER 308LSi: efeito da trajetória de deposição sobre a microestrutura e propriedades mecânicas
(Universidade Federal de Santa Maria, 2019-12-16)
Because of its capability to economically produce large-scale metal components with high production rates and low raw material waste, significant progress has been made in understanding of the Wire Arc Additive Manufacturing ...
Influência dos parâmetros de impressão 3D na resistência à tração de corpos de prova impressos em PLA utilizando modelagem por fusão e deposição
(Universidade Federal de Santa Maria, 2019-08-29)
he 3D Printing process also known as Additive Manufacturing is used in the manufacture of prototypes and parts using the material addition technique to construct the object, depending on the procedure adopted may present ...
Medição de tensões residuais em juntas soldadas pelo processo de soldagem a arco elétrico com atmosfera gasosa (GMAW) utilizando ondas longitudinais criticamente refratadas (ondas LCR)
(Universidade Federal de Santa Maria, 2019-12-13)
Welding is a manufacturing process widely used in industry to join metal parts permanently.
However, the welding process may induce residual stresses, affecting the mechanical
performance of the component negatively. ...
Refusão a arco elétrico de revestimentos aspergidos termicamente: efeito do tipo e intensidade da corrente sobre a microestrutura e microdureza
(Universidade Federal de Santa Maria, 2020-01-16)
The application of Fe-Cr-Ni based coatings is used to improve the corrosion
performance of components made from plain carbon steels. In this context, thermal spraying
processes are widely used in industrial environments ...
Análise termodinâmica de um ciclo combinado Brayton e Rankine orgânico
(Universidade Federal de Santa Maria, 2020-01-09)
The present work presents the configuration of a thermoelectric plant operating at a
Brayton-Rankine power generation cycle. An exploratory study of the working fluids for use in
the Organic Rankine Cycle (ORC) was ...
Projeto preliminar de estrutura cm suporte para ferramenta de clinching utilizada no processo de união de chapas por conformação à frio (UCCF)
(Universidade Federal de Santa Maria, 2019-12-16)
The discharge of grains into storage silos is currently done through cup elevators, these consist of a vertical structure of empty square metallic modules containing in their interior a mat with containers in parallel, ...
Estudo de ciclos de refrigeração utilizando R-744 como fluido refrigerante
(Universidade Federal de Santa Maria, 2019-12-19)
HCFCs’ fluids are the most commonly used in refrigeration cycles. However, new guidelines foresee the abandonment of such fluids for environmental reasons and the industry has again turned its attention to natural fluids, ...
Análise técnica e econômica de microgeradores eólicos com foco em produtos comerciais para residências unifamiliares
(Universidade Federal de Santa Maria, 2019-07-17)
In Brazil, the use of wind in Brazil has been increasing and its participation in diversification of the energy matrix. It is one of the main sources of clean and sustainable energy. However, most projects and products on ...