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Microstructural assessment of additive manufacturing parts towards aeronautic application

Grant number: 19/00691-0
Support type:Regular Research Grants
Duration: June 01, 2019 - November 30, 2020
Field of knowledge:Engineering - Aerospace Engineering
Mobility Program: SPRINT - Projetos de pesquisa - Mobilidade
Principal Investigator:Julian Arnaldo Avila Diaz
Grantee:Julian Arnaldo Avila Diaz
Principal investigator abroad: João Pedro de Sousa Oliveira
Institution abroad: Universidade Nova de Lisboa, Portugal
Home Institution: Universidade Estadual Paulista (UNESP). Campus Experimental São João da Boa Vista. São João da Boa Vista , SP, Brazil
Partner institutions: Faculdade de Ciências e Tecnologia da Universidade Nova de Lisboa
Associated research grant:17/17697-5 - Mechanical and microstructural assessment of additive manufacturing parts made up of 18%Ni Maraging 300 steel towards aeronautic application, AP.R


The aeronautical industry requires a technological maturity from new fabrication processes intended to become part of the productive process of planes. Additive manufacturing (AM) of parts made in metallic materials could offer several solutions in this industry (e.g. structural parts, fundamental parts in engines and turbines), envisioning of parts redesign or creation prioritizing weight reduction. However, a better understanding between microstructural and mechanical properties of AM parts need to be reached.Currently we are developing a project funded by the regular program of FAPESP, grant 2017/17697-5, where João Pedro Oliveira participates as a collaborator. This existing project aims to increase fracture toughness and strain capacity without affecting the standard mechanical strength of standard samples made by additive manufacturing (AM) using a selective laser melting (SLM) in a 18Ni300 maraging steel. In addition, Prof. João has a large experience conducting laser processing and welding of metallic materials, additive manufacturing using wire and arc additive manufacturing (WAAM), advanced characterization techniques for materials (SEM, TEM and DRX) and in-situ measurements using an X-ray diffraction from a synchrotron source.The strengthening of this partnership though the SPRINT project will increase the number of interaction topics between UNESP and FCT-UNL, bringing new knowledge in the academic formation of the students, developing processes with application in the aeronautical industry, and sharing results through short courses, conferences presentations and peer-reviewed publications. (AU)

Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
CONDE, F. F.; ESCOBAR, J. D.; OLIVEIRA, J. P.; JARDINI, A. L.; BOSE FILHO, W. W.; AVILA, J. A. Austenite reversion kinetics and stability during tempering of an additively manufactured maraging 300 steel. ADDITIVE MANUFACTURING, v. 29, OCT 2019. Web of Science Citations: 0.

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