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Fatigue and impact behavior of titanium alloy made by additive manufacturing

Grant number: 20/00782-2
Support type:Regular Research Grants
Duration: October 01, 2021 - September 30, 2022
Field of knowledge:Engineering - Mechanical Engineering - Mechanics of Solids
Cooperation agreement: Delft University of Technology
Mobility Program: SPRINT - Projetos de pesquisa - Mobilidade
Principal researcher:Marcílio Alves
Grantee:Marcílio Alves
Principal researcher abroad: Calvin Rans
Institution abroad: Delft University of Technology (TU Delft), Netherlands
Home Institution: Escola Politécnica (EP). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Assoc. researchers:Rafael Celeghini Santiago
Associated research grant:19/05444-0 - Optimized design of motorcycle helmets, AP.R


The using of Additive Manufacturing techniques is promising in aerospace structures. Thus, this project aims to study the fatigue response of additive manufactured metallic materials will be addressed by using conventional testing techniques and strain embedded sensors. Initially, the materials specimens will be designed by USP, UFABC and TU Delft and then manufactured at CTI Renato Archer (Brazil) and TU Delft (Netherland). These samples will be tested under fatigue loadings during the USP/UFABC mission to TU Delft, by using fatigue testing machines and by an innovated technique with optical fibers embedded sensors for crack and strain monitoring. Samples of lattices structures will be then designed by TU Delft and tested under impact loading during the mission in Brazil. The material mechanical response and its microstructures will be also characterized. Finally, a numerical model for representing the material cyclical response and impact behavior will be also developed using finite element's analysis. Beyond the scientific and innovative contributions aimed, the proposal will contribute for straightening the relation between USP, UFABC and TU Delft, in order to promote a future research project in cooperation. (AU)

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