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Evaluation of fatigue strength of composites PEI/carbon fiber nanostructed with aeronautical applications

Grant number: 16/12810-5
Support Opportunities:Scholarships in Brazil - Master
Effective date (Start): September 01, 2016
Effective date (End): February 28, 2018
Field of knowledge:Engineering - Aerospace Engineering
Principal Investigator:Michelle Leali Costa
Grantee:Luis Felipe de Paula Santos
Host Institution: Faculdade de Engenharia (FEG). Universidade Estadual Paulista (UNESP). Campus de Guaratinguetá. Guaratinguetá , SP, Brazil
Associated scholarship(s):17/09344-5 - Evaluation of fatigue strength of composites PEI/carbon fiber nanostructured with aeronautical applications, BE.EP.MS


Technological advances in polymer composite area have been created new opportunities for high-performance and lightweight structures, promoting the development of strategic systems in several sectors of industry such as aerospace field. In this work carbon fiber based poly(ether imide) composite filled with multiwalled carbon nanotubes will be obtained by hot pressing technique. In order to evaluate the influence of adding carbon nanotubes to the composite, this material will be evaluated by fatigue tests at 200 000 cycles (number of cycles required in the aeronautical field), at sub-zero temperature (-60ºC), room temperature (25ºC) and high temperature (+80ºC). In addition, a numerical simulation will be performed. After these tests, a study involving fractographic assessment in order to evaluate possible changes in failure modes with the addition of carbon nanotubes will be made. Also, this work will explore the feasibility of using carbon nanotubes to obtain polymer composites commonly used in structural applications in the aerospace field, giving continuity to other projects already undertaken in this area by this research group to which this research is linked. (AU)

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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)
SANTOS, L. F. P.; RIBEIRO, B.; HEIN, L. R. O.; BOTELHO, E. C.; COSTA, M. L.. Processing, thermal and mechanical behaviour of PEI/MWCNT/carbon fiber nanostructured laminate. MATERIALS RESEARCH EXPRESS, v. 4, n. 11, . (16/12810-5)
SANTOS, LUIS F. P.; RIBEIRO, BRUNO; HEIN, LUIS R. O.; ALDERLIESTEN, RENE; ZAROUCHAS, DIMITRIOS; BOTELHO, EDSON C.; COSTA, MICHELLE L.. The effect of temperature on fatigue strength of poly(ether-imide)/multiwalled carbon nanotube/carbon fibers composites for aeronautical application. Journal of Applied Polymer Science, v. 137, n. 39, . (17/09344-5, 17/16970-0, 18/07867-3, 16/12810-5)

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