CV Lattes
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Universidade de São Paulo (USP). Escola de Engenharia de São Carlos (EESC) (Institutional affiliation for the last research proposal) Birthplace: Brazil
graduation at Engenharia de Materiais e Manufatura from Universidade de São Paulo (2017) and master's at ENGENHARIA E CIÊNCIA DE MATERIAIS from Universidade de São Paulo (2020). Has experience in Material and Metallurgical Engineering, focusing on Material and Metallurgical Engineering, acting on the following subjects: bulk metallic glass and resistance upset welding. (Source: Lattes Curriculum)
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The growing need for high temperature resistant metal alloys has promoted the development of new materials, including Refractory High Entropy Alloys (RHEAs). Its first compositions were reported in 2010 and its mechanical resistance at high temperature outperformed the traditionally used nickel super alloys. REAHs are metallic alloys composed of 5 or more elements, most of them refractory…
Some metallic alloys when solidified at the critical cooling rates show amorphous structure, instead of traditional metals, whose structure is crystalline. The first developed metallic glass required cooling rates higher than 105 K / s, for these reason only micrometer thicknesses were obtained. With the advancement of the researches, alloys with a greater tendency to glass formation were…
In 1970, Elber introduced the crack closure mechanism and stress intensity factor variation modified concept and the correlation of these parameters with different values of loading rate under fatigue crack growth. The research are motivated to show how is possible to determined the closure and open load and how this values influence the retardation and acceleration present on fatigue cra…
Metallic glasses are amorphous metallic alloys that are continuously cooled from liquid state at a higher rate than critical. The fast cooling rate does not allow atoms to organize as crystalline structures with long-range order, so they have local and medium range order only. The poor glass-forming ability presented by the first ever developed metallic glasses limited its thickness to mi…
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