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Now showing items 571-580 of 732
Estudo da viabilidade de formação de nitreto de boro em aços inoxidáveis ferríticos
(Universidade Federal de São Carlos, 2020-03-02)
Since the 90s, the petroleum industry has been conducting research on alloys that are wear and corrosion resistant once several equipment parts used in the oil exploitation, extraction and production, such as pipes, joints, ...
Refill friction stir spot welding: investigation of the similar and dissimilar welding of AA5754-H22 and AA6061-T6 sheets
(Universidade Federal de São Carlos, 2019-06-03)
The automotive industry is shifting to a new paradigm of material utilization in vehicles. Different parts of the car structural body are increasingly being made of materials selected to have a customized performance ...
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. ...
Caracterização microestrutural e mecânica da liga Ti-35Nb-7Zr-5Ta produzida por fusão seletiva à laser
(Universidade Federal de São Carlos, 2020-08-10)
Selective Laser Melting (SLM) is an additive manufacturing technique that
consists of a layer-by-layer fusion of a powder bed by scanning a laser enabling
the production of full density parts accordingly to a 3D CAD model ...
Estudo da resistência à fadiga da liga Ti-6Al-4V com superfície modificada por tratamento químico
(Universidade Federal de São Carlos, 2016-03-22)
Chemical surface treatments (CST) in cementless and endosseous
implants are used to increase the implant-bone contact area, reducing the period
of osseointegration and favouring bonding ability between implants and ...
Indicadores do patenteamento de materiais armazenadores de hidrogênio voltados para o monitoramento tecnológico
(Universidade Federal de São Carlos, 2016-05-13)
Hydrogen is considered the energy carrier of the future, due to its high energy content and the possibility of its sustainable production. However, its broader implementation depends on overcoming of several technological ...
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 ...
Síntese in situ pelo método Pechini e sinterização por métodos não convencionais de compósitos magnetoelétricos particulados
(Universidade Federal de São Carlos, 2015-11-27)
This thesis aimed the synthesis via in situ by Pechini method and the sintering by conventional and unconventional methods (microwave and spark-plasma) of particulates magnetoelectrics composites (ME) of ferroelectric ...
Análise térmica e energética do revestimento refratário de panelas de aço via modelos computacionais
(Universidade Federal de São Carlos, 2018-07-30)
The secondary metallurgy is an energy-intensive step in the steelmaking process that requires an accurate adjustment of the composition and temperature of the molten metal during the ladle refining. In this context, the ...
O uso de um vidro altamente bioativo para conferir bioatividade à superfície do titânio: desenvolvimento de um método para recobrimentos descontínuos
(Universidade Federal de São Carlos, 2013-03-15)
Bioactive glasses - or glass-ceramics, exhibit the largest known bioactivity index due to their osteoinductive property - among others. Theirs bonding to bone is also one of the strongest known, but they have poor mechanical ...