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Propriedades mecânicas e correlação dos parâmetros de FSW e DS-FSW em alta velocidade na liga AA2050-T84, para a indústria aeronáutica
(Universidade Federal de São Carlos, 2018-11-19)
Friction Stir Welding (FSW) and DS-FSW (double pass FSW) processes were employed in the aluminum AA 2050 T-84 plate joints aiming to make possible to increase the welding speed above 5 mm / s, to obtain welds with optimized ...
Manufatura aditiva da liga reciclada Al-Fe-Cr-Ti formadora de fase quasicristalina
(Universidade Federal de São Carlos, 2020-02-27)
The precipitation of quasicrystalline phase in an α-Al dendritic matrix provides Al-based alloys with high mechanical and wear resistance, mainly at high temperatures, which are promising for applications as automotive and ...
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 ...
Selective laser melting of a biocompatible Ti-35Nb-7Zr-5Ta alloy
(Universidade Federal de São Carlos, 2019-08-12)
Neste trabalho, estudou-se uma nova rota de fabricação de peças de uma liga biocompatível. Assim, uma liga Ti-35Nb-7Zr-5Ta (% em peso) biocompatível foi processada por fusão seletiva a laser (FSL). Os principais parâmetros ...
Estudo da microestrutura e resistência à corrosão de ligas binárias Ni-Nb solidificadas rapidamente
(Universidade Federal de São Carlos, 2018-02-26)
The The aim of this work is to study the microstructure and corrosion resistance of rapidly solidified binary Ni-xNb alloys (x= 10, 20, 30, 40, 45, 52 e 57 wt%), additionally the microstructure of the Ni-52Nb alloy, prepared ...
Mechanical properties and metallurgical characterization of AA6082-T6 alloy welded by refill friction stir spot welding
(Universidade Federal de São Carlos, 2019-07-30)
The efforts to produce automobiles with intense use of aluminum alloys is growing and the 6XXX series of aluminum alloys are important for this scenario. However, the current joining technologies applied in these alloys ...
Previsão do posicionamento de partículas de nanosílica numa blenda polimérica imiscível e comprovação via turbidimetria
(Universidade Federal de São Carlos, 2016-03-07)
The optical behavior of polymer systems with nanoparticles was studied in order to quickly assess the location of the nanoparticles in the immiscible polymer blend phases and interface using optical microscopy. The systems ...
Mecanismo de solidificação de ligas do sistema Al-Mn-Ce ricas em Al sob diferentes taxas de resfriamento
(Universidade Federal de São Carlos, 2015-07-07)
The aircraft industry search for light weight materials to produce lower density parts for increased energy efficiency of fuels was focused in recent years in searching new alloy systems with high mechanical strength and ...
Efeito da adição de Al e C na evolução microestrutural e no comportamento mecânico de aços austeníticos de baixa densidade com alto teor de Mn
(Universidade Federal de São Carlos, 2021-05-20)
Low-density steels are advanced materials that are being developed mainly for the automotive industry to reduce the structural weight of cars. The most common studied compositions comprise FeMnAlC variations, in which both ...
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 ...