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Flexural quasi-static and fatigue behaviours of fused filament deposited PA6 and PA12 polymers

Article dans une revue avec comité de lecture
Author
TARASOVA, Tatiana
EGOROV, Sergei
SKORNYAKOV, Innokentiy
HATTALI, Lamine
1051120 Fluides, automatique, systèmes thermiques [FAST]
ccGUILLAUMAT, Laurent
211916 Laboratoire Angevin de Mécanique, Procédés et InnovAtion [LAMPA]
ccTEREKHINA, Svetlana

URI
http://hdl.handle.net/10985/21302
DOI
10.1007/s00170-021-07223-y
Date
2021
Journal
The International Journal of Advanced Manufacturing Technology

Abstract

The present paper aims to compare study the effect of porosity and degree of crystallinity on both quasi-static and fatigue behaviours of PA6 and PA12 specimens obtained by the fused filament fabrication (FFF). The glass transition and melting temperatures were measured complementary to understand better the process. Fatigue analysis is here described in visco-elastic domain of material. The results highlight that the mechanical and fatigue properties of PA 12 are better than those of PA6, in spite of almost amorphous state of PA12. Besides, porosity did not reveal the expected influence on these properties. The obtained results are also compared with conventional techniques given by the literature review.

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