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Article

Mechanical Reinforcement of Polyamide 6 by Cold Hydrostatic Extrusion

1
Institute of High Pressure Physics, Polish Academy of Sciences (Unipress), Sokołowska 29/37, 01-142 Warsaw, Poland
2
Faculty of Materials Science and Engineering, Warsaw University of Technology, ul. Wołoska 141, 02-507 Warsaw, Poland
*
Author to whom correspondence should be addressed.
Academic Editor: Francesca Lionetto
Materials 2021, 14(20), 6045; https://doi.org/10.3390/ma14206045
Received: 27 August 2021 / Revised: 4 October 2021 / Accepted: 5 October 2021 / Published: 13 October 2021
(This article belongs to the Section Polymeric Materials)
This paper presents the effect of severe plastic deformation obtained using the cold hydrostatic extrusion (HE) method on the mechanical and structural properties of polyamide 6 (PA6). As a result of the plastic strain, a significant increase in ultimate tensile strength and tensile modulus were observed. Tensile strength rose by almost 500%, up to the level of 508 MPa, whereas the tensile modulus rose by about 65%. Flexural modulus increase was also observed to 3230 MPa, i.e., by approx. 160%. As a result of high plastic deformation, the structure of the polyamide 6 changed significantly, as evidenced by its fibrous nature as presented in the results of the scanning electron microscopy inspection (SEM). The surface quality of products investigated was tested using profilometry. View Full-Text
Keywords: cold hydrostatic extrusion; polyamide 6; mechanical properties; structure cold hydrostatic extrusion; polyamide 6; mechanical properties; structure
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MDPI and ACS Style

Skorupska, M.; Kulczyk, M.; Przybysz, S.; Skiba, J.; Mizeracki, J.; Ryszkowska, J. Mechanical Reinforcement of Polyamide 6 by Cold Hydrostatic Extrusion. Materials 2021, 14, 6045. https://doi.org/10.3390/ma14206045

AMA Style

Skorupska M, Kulczyk M, Przybysz S, Skiba J, Mizeracki J, Ryszkowska J. Mechanical Reinforcement of Polyamide 6 by Cold Hydrostatic Extrusion. Materials. 2021; 14(20):6045. https://doi.org/10.3390/ma14206045

Chicago/Turabian Style

Skorupska, Monika, Mariusz Kulczyk, Sylwia Przybysz, Jacek Skiba, Jan Mizeracki, and Joanna Ryszkowska. 2021. "Mechanical Reinforcement of Polyamide 6 by Cold Hydrostatic Extrusion" Materials 14, no. 20: 6045. https://doi.org/10.3390/ma14206045

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