Bending Strength of Polyamide-Based Composites Obtained during the Fused Filament Fabrication (FFF) Process

• Published in: Materials Vol. 15; no. 14; p. 5079
• Main Authors: Mazurkiewicz, Michał, Kluczyński, Janusz, Jasik, Katarzyna, Sarzyński, Bartłomiej, Szachogłuchowicz, Ireneusz, Łuszczek, Jakub, Torzewski, Janusz, Śnieżek, Lucjan, Grzelak, Krzysztof, Małek, Marcin
• Format: Journal Article
• Language: English
• Published: Basel MDPI AG 21.07.2022; MDPI
• Subjects: additive manufacturing; Bend strength; Carbon fibers; Digital imaging; Fused deposition modeling; fused filament fabrication; Impact strength; Interfacial bonding; Manufacturing; Mechanical properties; Nanoparticles; Polyamide resins; polyamide-based composites; Polymer matrix composites; Polymers; Research methodology; Tensile strength; three-point bending; Poland
• ISSN: 1996-1944; 1996-1944
• DOI: 10.3390/ma15145079

The research shows the comparison between two types of polyamide-based (PA) composites and pure, base material. The conducted analysis describes how the additions of carbon fibers and glass microbeads affect the material’s properties and its behavior during the bending tests. All samples have been tested in the three main directions available during the FFF process. To extend the scope of the research, additional digital-image-correlation tests and fracture analyses were made. The obtained results indicated a positive influence of the addition of carbon fibers into the material’s volume (from 81.39 MPa in the case of pure PA to 243.62 MPa in the case of the PA reinforced by carbon fibers).