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Rheology, Crystallinity, and Mechanical Investigation of Interlayer Adhesion Strength by Thermal Annealing of Polyetherimide (PEI/ULTEM 1010) Parts Produced by 3D Printing

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info:eu-repo/semantics/openAccess

Date

JUN 2022

Author

Yilmaz, Musa
Yilmaz, Necip Fazil
Kalkan, Mahmut Furkan

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Citation

Yilmaz, M., Yilmaz, N. F., & Kalkan, M. F. (June 14, 2022). Rheology, Crystallinity, and Mechanical Investigation of Interlayer Adhesion Strength by Thermal Annealing of Polyetherimide (PEI/ULTEM 1010) Parts Produced by 3D Printing. Journal of Materials Engineering and Performance.

Abstract

Fused deposition modeling (FDM) is a 3D printing technology in which the melt extrusion method is used for the production of thermoplastic parts. 3D printed thermoplastic materials produced by this method suffer from a particularly significant problem, however, namely poor interfacial bond formation that results in weak mechanical performance. This work proposes a thermal process to enhance the strength of the interlayer adhesion of 3D printed PEI thermoplastic materials. The annealing process was determined as a suitable post-processing procedure and was the focus of this work. Annealing was carried out in an oven at temperatures of 220, 225, 230, and 235 degrees C; it was determined that annealing performed at 225 degrees C in particular was highly desirable in terms of enhancing interlayer adhesion strength. In this work, characterization (FTIR, XRD, and SEM) and mechanical (tensile, bending, and hardness) analyses of 3D printed PEI were performed to better understand the strength of interlayer adhesion and overcome a mechanical performance limitation of this material. According to the tensile, bending, and hardness test results, the greatest improvements were found as increase of 10, 5, and 12%, respectively.

Source

JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE

URI

https://doi.org/10.1007/s11665-022-07049-z
https://hdl.handle.net/20.500.11782/2636

Collections

  • MF - EEM Makale Koleksiyonu [146]
  • Scopus İndeksli Yayınlar Koleksiyonu [649]
  • WoS İndeksli Yayınlar Koleksiyonu [857]



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