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Now showing items 681-690 of 737
Perovskitas óxidas para aplicação eletroquímica e fotovoltaica
(Universidade Federal de São Carlos, 2019-07-26)
This work aimed to investigate the production of lanthanum perovskites LaCoO3 and LaFeO3 in the form of thin films and to evaluate their use as catalysts for water splitting as well as absorbers for photovoltaic devices. ...
Estudo sobre a formação da interface em soldas dissimilares de alumínio e aço galvanizado durante o processo de soldagem por fricção por ponto (RFSSW) com controle por carga
(Universidade Federal de São Carlos, 2022-03-29)
In the current scientific and technological scenario, the increased demand for dissimilar joints aiming a combination of optimized mechanical properties has driven innovations. Based on this, the present project proposes ...
Evolução microestrutural e propriedades mecânicas das ligas Al-10%Si-0,45%Mg e Al-10%Si-1,0%Mg
(Universidade Federal de São Carlos, 2021-07-28)
Al-Si alloys with high silicon (Si) content are widely used in aerospace, automotive, microelectronics, among others. In this context, the Al-10 wt.% Si alloys with the addition of Magnesium (Mg) are alternatives that ...
Comportamento mecânico sob fadiga de compósitos de polipropileno com reforço híbrido de fibras e microesferas ocas de vidro
(Universidade Federal de São Carlos, 2018-02-05)
Short glass fiber (GF) reinforced polypropylene (PP) composites can be hybridized with hollow glass beads (HGB) in order to minimize the adverse effects arising from the preferential fiber orientation in injection molded ...
Influência da adição de pó de retífica em uma matriz de cimento de fosfato de magnésio
(Universidade Federal de São Carlos, 2006-08-04)
In the present work, the magnesium phosphate cement use feasibility in the organic and inorganic hazardous industrial wastes encapsulation and the grinding dust of clutch discs influence (hazardous waste - classroom I) in ...
Estudo das propriedades mecânicas, térmicas e de transporte do compósito com carbonato de cálcio nano e microparticulado em polipropileno
(Universidade Federal de São Carlos, 2011-03-04)
In this work were determined and compared to mechanical, thermal and barrier of the polypropylene composites containing micropartilate and microparticulate calcium carbonate. To prepare the composites, the filler was ...
Simulação numérica do processo de secagem de concretos refratários em aplicações tecnológicas
(Universidade Federal de São Carlos, 2022-03-21)
Refractory ceramics are used in high temperatures due to their unique properties that enable a high thermal and chemical stability, mechanical strength, thermal properties and others. These materials are split into two ...
Avaliação dos agregados de resíduos da construção civil em matriz geopolimérica visando aplicação em pisos intertravados
(Universidade Federal de São Carlos, 2022-04-14)
The production of Portland cement (PC) is seen as aggravating the environment,
so scientists and engineers look for alternatives to replace this type of binder.
Geopolymers have the potential to replace CP, as it aims ...
Preparation and characterization of bionanocomposites based on protein and cellulose nanocrystals by continuous casting
(Universidade Federal de São Carlos, 2020-12-11)
This Ph.D. thesis covers the production and characterization of gelatin-cellulose nanocrystals (CNCs) bionanocomposite films intended for multifunctional food packaging. The up-scalability of the gelatin/CNCs films was ...
Desenvolvimento de ligas de alumínio recicladas contendo a fase primária Al(Fe,TM)Si aproximante de quasicristal: controle da microestrutura visando aplicações tribológicas e mecânicas
(Universidade Federal de São Carlos, 2021-01-19)
Iron is the most common and harmful impurity to the mechanical properties of casting Al-7Si-3Cu alloys, which are widely used in the automotive industry. Due to the economic and environmental advantages of recycling, there ...