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Avaliação dos modelos numéricos para a simulação da secagem de concretos refratários
(Universidade Federal de São Carlos, 2021-02-25)
The drying of hydraulic bonded monolithic refractories is the slowest stage of their application process. Problems related to the control of such a procedure result in cracks, spalling and even, in extreme cases, explosions ...
Evolução microestrutural e propriedades mecânicas das ligas Al-10%Si-0,45%Mg e Al-10%Si-1,0%Mg
(Universidade Federal de São Carlos, 2021-07-28)
Al-Si alloys with high silicon (Si) content are widely used in aerospace, automotive, microelectronics, among others. In this context, the Al-10 wt.% Si alloys with the addition of Magnesium (Mg) are alternatives that ...
Weldability of AA5083-O/H111 and naval GL D36 steel lap joints by friction stir welding
(Universidade Federal de São Carlos, 2021-01-25)
Steel structures welded with aluminum alloys, which combine the low cost and high mechanical strength of steel with the weight reduction and the excellent specific properties of the aluminum alloys, are in great demand. ...
Equilíbrio de fases e propriedades mecânicas da liga de elemento multiprincipal Cr40Co40Ni20
(Universidade Federal de São Carlos, 2021-02-19)
In the pursuit for materials with improved performance, multi-principal element alloys (MPEAs) attract the interest of the scientific community, due to their large composition space. Some Cr-Co-Ni alloys stand out with ...
Relaxação estrutural de vidros metassilicato de chumbo e dissilicato de lítio
(Universidade Federal de São Carlos, 2021-02-25)
Glasses are thermodynamically unstable and spontaneously relax towards the supercooled liquid state. The relaxation time varies from seconds at temperatures above the glass transition to geological times at room temperature. ...
Caracterização eletroquímica do eletrólito sólido NASICON Li1,5Al0,5Ge1,5(PO4)3 (LAGP)
(Universidade Federal de São Carlos, 2021-08-17)
Solutions to the environmental and social challenges of postmodern society converge on a common point: sustainability. Doing more with less and using environmentally friendly materials is imperative. Energy storage is ...
Cristalização e relaxação em vidros óxidos uma tentativa de solução do Paradoxo de Kauzmann
(Universidade Federal de São Carlos, 2021-09-03)
The quest for a solution to Kauzmann’s Paradox has been a lifelong
journey for many glass scientists over the last seventy years. The idea that this
paradox may violate the Third Law of Thermodynamics is ...
Analysis of tool traverse speed in Friction Stir Welding of AZ31 Magnesium alloy thin plates
(Universidade Federal de São Carlos, 2021-02-25)
The automotive industry's great interest in lightweight materials, such as
magnesium alloy AZ31, reflects the growing importance of reducing cars' weight.
One of the challenges of using such alloys is that their welding ...
Aspectos termodinâmicos e cinéticos do uso de plugues porosos para a remoção de partículas cerâmicas por bolhas inteligentes
(Universidade Federal de São Carlos, 2021-04-19)
Non-metallic inclusions can spoil the mechanical properties of the steel depending on their composition, geometry, size and distribution. In this context, “inclusion engineering” is a rising area in steelmaking industry ...
Estratégias visando a formação e incorporação de nitreto de boro hexagonal em aços inoxidáveis
(Universidade Federal de São Carlos, 2021-02-25)
There are many examples of the oil relevance in today’s society, such as,
manufacturing of materials, fuels production and huge significance on the
country's economy. Concerning the exploration of this product some ...