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Now showing items 31-40 of 40
Estudo das Propriedades Tribológicas e Mecânicas do filme DLC multicamadas dopadas com nitrogênio
(Universidade Federal de São Carlos, 2023-03-27)
Diamond-like carbon (DLC) films have excellent mechanical properties but have difficulties in adhering to metallic surfaces. Nitrogen doping in the structure of DLC films provides better adhesion of the film to the substrate, ...
Fracionamento de lignina proveniente do processo kraft para obtenção de frações com diferentes massas molares e aplicação em materiais funcionais: espumas de carbono.
(Universidade Federal de São Carlos, 2023-02-01)
This thesis has three main objectives: (i) To describe an efficient fractionation method for Kraft lignin (KL) to extract large amounts of low molecular weight lignin, which indicates the presence of a higher content of ...
Obtenção de um híbrido de sílica e colágeno pelo processo sol-gel visando regeneração óssea
(Universidade Federal de São Carlos, 2023-03-23)
The bone regeneration materials exploring is constantly increasing due to the lesions from traumas, illness and aging, that can cause serious complications and functionality loss. Biomaterials are used in order to stimulate ...
Desenvolvimento e caracterização de filmes biopoliméricos contendo vidro bioativo
(Universidade Federal de São Carlos, 2023-03-28)
Dental caries and periodontal disease are considered the most frequent global problems that affect human oral health. However, in cases of periodontitis, the exacerbated immune and inflammatory response of the organism ...
Desenvolvimento de formulações de polímeros biodegráveis a partir da modificação de derivados do milho via extrusão reativa.
(Universidade Federal de São Carlos, 2023-03-10)
The human consumption of plastic and the consequent generation of waste has been growing
exponentially in the last century, causing several environmental impacts. One of the alternatives
to mitigate this effect is the ...
Propriedades e aplicações de revestimentos de óxidos metálicos obtidos por oxidação eletrolítica a plasma e dopagem anódica utilizando resíduo de lama vermelha
(Universidade Federal de São Carlos, 2023-06-28)
Plasma Electrolytic Oxidation (PEO) is a metal processing technique where a high potencial difference is applied between two electrodes, cathode and anode. During this process there is a phenomenon of dielectric breakdown ...
Filmes automontados de nanopartículas de magnetita e polipirrol na determinação analítica de metilparabeno
(Universidade Federal de São Carlos, 2020-02-20)
Parabens are esters derived from para-hydroxybenzoic acid used as antimicrobials and bactericides in cosmetics, personal hygiene and cleaning products, food and medicines. Side effects have been observed due to the ...
Manufatura e caracterização mecânica de painéis estruturais compósitos para projetos de veículos de competição.
(Universidade Federal de São Carlos, 2023-02-17)
Due to evolution of development high performance composite, these have been increasingly used in racing car components, because the good trade-of between mass/stiffness incorporated to high levels of driver safety risk. ...
Estudo do efeito dos tratamentos duplex de nitrocementação e deposição de filmes DLC dopados com nitrogênio e silício nas propriedades tribológicas do aço M2
(Universidade Federal de São Carlos, 2023-02-27)
DLC films have been the focus of recent research due to chemical inertia, low friction coefficient, high hardness, and interesting optical properties. But due to its problem of poor adhesion on metallic substrates, some ...
Desenvolvimento e caracterização de gel bioativo à base de fibroína da seda/PLDLA/sinvastatina para impressão 3D
(Universidade Federal de São Carlos, 2022-08-30)
Bone Tissue Engineering (BOT) has been growing in recent decades as an effective approach for the treatment of large bone defects. Recently, three-dimensional (3D) printing has emerged as a tool to revolutionize the field ...