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Now showing items 691-699 of 699
Juntas de aço inoxidável super duplex UNS S32760 soldadas por fricção e mistura mecânica (FSW): microestrutura e comportamento de corrosão eletroquímica
(Universidade Federal de São Carlos, 2022-04-29)
In this study, the corrosion resistance of the face and root surface of an AISD UNS S32760 friction stir welded (FSW) joint using optimized parameters was investigated. Microstructural changes were evaluated by MO, SEM and ...
Desenvolvimento de vitrocerâmicos transparentes resistentes ao impacto
(Universidade Federal de São Carlos, 2021-11-11)
Transparent glass-ceramics (GCs) can replace glasses traditionally used as ballistic windows and electronic displays due to their better mechanical properties. This improvement is obtained by the crystallization of phases ...
Caracterização microestrutural, eletroquímica e tribológica de revestimentos HVAF Fe₆₈Cr₈Mo₄Nb₄B₁₆
(Universidade Federal de São Carlos, 2023-02-28)
High corrosion and wear resistance are basic requirements for materials that operate in aggressive environments such as those found in the petrochemical, mining and agro-industry industries. Fe-Cr-B-based vitreous/nanocrystalline ...
Uso de bentonita como aditivo impermeabilizante em argamassa polimérica cimentícia
(Universidade Federal de São Carlos, 2024-01-19)
Waterproofing is one of the most crucial stages in civil construction. Recent studies have reported significant improvements in the waterproofing behavior of mortars containing bentonite. However, the addition of high ...
Estudo do processo de obtenção de filmes espessos autossustentados porosos por meio de sinterização seletiva a laser
(Universidade Federal de São Carlos, 2023-07-31)
BaTiO3 is an ABO3-type perovskite with tetragonal structure at room temperature and is also known for its excellent dielectric, ferroelectric and piezoelectric properties and is used in dielectric capacitors, sensors, ...
Desenvolvimento de sensores colorimétricos baseados em compostos amido/cera de abelha e antocianinas por casting contínuo para embalagens inteligentes
(Universidade Federal de São Carlos, 2023-12-19)
Intelligent packaging are systems capable of communicating the conditions of the packed food and different approaches can be used to produce such packaging, for instance, the production of quality indicators based on ...
Compósitos biodegradáveis a partir de poli(succinato de butileno) e resíduos de cacau para manufatura aditiva
(Universidade Federal de São Carlos, 2023-01-26)
Additive manufacturing (AM) has developed a lot in recent years, however, the diversity of materials available for application in its different techniques is still limited and few biodegradable materials are available for ...
Sistemas de estabilização em polipropileno submetidos à radiação UV-C
(Universidade Federal de São Carlos, 2023-04-28)
UV-C radiation (200 - 280 nm) is a range of the electromagnetic spectrum with increasing and satisfactory studies as a method of disinfection against microorganisms, however, it is little studied in terms of degradation ...
Microstructure, corrosion, and wear resistance of a boron-modified duplex stainless steel produced by laser powder bed fusion
(Universidade Federal de São Carlos, 2024-03-18)
A duplex stainless steels (DSS) containing 0.3 and 0.6 wt.% of boron were produced by laser powder bed fusion (L-PBD) with parameters based on Box-Behnken design. The microstructure was evaluated by XRD, OM, SEM, EBSD, ...