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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 ...
Efeito do teor de titânio no endurecimento por precipitação em uma liga à base de Co-Ni e consequências nas propriedades mecânicas
(Universidade Federal de São Carlos, 2021-04-19)
The alloy subject of this study, designated by the Unified Numbering System,
R30035 and internationally known as MP35N®, is a 35 Ni – 33.5 Co – 20.5 Cr – 9.5
Mo alloy with very-high mechanical strength, ductility, and ...
Soldagem por ponto por fricção das ligas de alumínio 5A06-O/2219-T87: caracterização mecânica e microestrutural
(Universidade Federal de São Carlos, 2022-11-30)
Refill Friction Stir Spot Welding (RFSSW) is a solid-state joining technique for welding dissimilar and similar materials applied to light alloys and thermoplastics. Thus, the purpose of this work was to evaluate the ...
Design de aços inoxidáveis austeníticos de alto teor de nitrogênio via triagem de alto desempenho por método CALPHAD
(Universidade Federal de São Carlos, 2023-07-21)
Nickel is essential for austenitic stainless steels of the 3xx class (8-10 wt%) due to its austenitizing character. However, its notorious price volatility directly affects the stainless steel industry. In light of this, ...
Efeito do inoculante Al-Nb-B na microestrutura e propriedades mecânicas da liga AA2017 fabricada por fusão em leito de pó a laser
(Universidade Federal de São Carlos, 2023-01-24)
The blending of finer powders of Ti, Zr, Ta, Sc, and Nb compounds as inoculants has been a promising strategy to modify precipitation-hardened aluminum alloys for laser-based powder bed fusion process (L-PBF), promoting a ...
Influência da nióbia no óxido de alumínio eletrofundido para aplicações abrasivas
(Universidade Federal de São Carlos, 2021-07-29)
Abrasives are materials that have as main characteristics their cutting and
grinding power. In its most common crystalline form, aluminum oxide, due to its
high melting point, high hardness and mechanical resistance, ...
Estabilidade microestrutural da liga Cu-0,8Cr-0,07Zr após extrusão em canal angular em temperatura criogênica
(Universidade Federal de São Carlos, 2021-12-20)
Severe Plastic Deformation (SPD) are well established routes with regard to the
intense microstructural refining of metals and alloys up to the submicrometer (<
1 μm) and/or nanometer (< 100 nm) scales. Lowering the ...
Compósitos de nanofibrilas de celulose de bagaço de cana-de-açúcar e nanopartículas lamelares: caracterização de dispersões, filmes e filamentos
(Universidade Federal de São Carlos, 2023-02-27)
Cellulosic materials have great importance for industry and scientific research due to their availability, thermomechanical properties, biocompatible aspects and advantages for circular economy strategies and prioritization ...
Fadiga de aços TWIP de baixa densidade produzidos por conformação por spray e forjamento rotativo.
(Universidade Federal de São Carlos, 2020-02-19)
The present study evaluated the mechanical properties in monotonic and
cyclic stress of two low-density steel designed by thermodynamic calculations
aiming stacking fault energy values that would allow different plasticity ...
Biomimetism of Brazil nutshell (Bertholletia excelsa)
(Universidade Federal de São Carlos, 2020-08-07)
For thousands of years, nature has accumulated countless possibilities for optimized
solutions to engineering problems using limited raw material, room temperature,
aqueous solutions, solar energy and renewable resources. ...