Additive Manufacturing, volume 51, pages 102599
Role of annealing and isostatic compaction on mechanical properties of 3D printed short glass fiber nylon composites
P. Ajith Kumar Jain
1
,
S Sattar
1
,
D. Mulqueen
1
,
D. Pedrazzoli
2
,
Robert Pipes
3
,
Oleksandr Kravchenko
1
2
Johns Manville Corporation, Littleton, CO, USA
|
Publication type: Journal Article
Publication date: 2022-03-01
Journal:
Additive Manufacturing
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor: 10.3
ISSN: 22148604
General Materials Science
Industrial and Manufacturing Engineering
Biomedical Engineering
Engineering (miscellaneous)
Abstract
Among many thermoplastics that are used in engineering, polyamide 6 (nylon 6) is an extremely versatile engineering thermoplastic. 3D printed nylon glass fiber composites, based on fused filament modeling, typically suffer from poor bead-to-bead interfacial bonding and relatively high void content, limiting their mechanical properties. This work explores the effect of isostatic compaction pressure and annealing on improving the mechanical properties of 3D printed short fiber polymer composites. Tensile testing was performed in-printing and transverse directions with samples that were compacted at 0.55 MPa (80 psi) and annealed at different temperatures and compared to as-printed untreated samples. The results indicate that by selecting appropriate isostatic compaction temperature, both strength and modulus in principal directions of 3D printed composites can be significantly improved. Strength was improved by over 50% and 100% in printing and transverse directions, respectively, and a twofold increase of the modulus in printing direction was found for samples compacted at 0.55 MPa (80 psi) and 200 °C.The observed mechanical behavior was explained in terms of various parameters such as degree of compaction, crystalline structure, orientation state and void content.
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Kumar Jain P. A. et al. Role of annealing and isostatic compaction on mechanical properties of 3D printed short glass fiber nylon composites // Additive Manufacturing. 2022. Vol. 51. p. 102599.
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Kumar Jain P. A., Sattar S., Mulqueen D., Pedrazzoli D., Pipes R., Kravchenko O. Role of annealing and isostatic compaction on mechanical properties of 3D printed short glass fiber nylon composites // Additive Manufacturing. 2022. Vol. 51. p. 102599.
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TY - JOUR
DO - 10.1016/j.addma.2022.102599
UR - https://doi.org/10.1016/j.addma.2022.102599
TI - Role of annealing and isostatic compaction on mechanical properties of 3D printed short glass fiber nylon composites
T2 - Additive Manufacturing
AU - Kumar Jain, P. Ajith
AU - Sattar, S
AU - Mulqueen, D.
AU - Pedrazzoli, D.
AU - Pipes, Robert
AU - Kravchenko, Oleksandr
PY - 2022
DA - 2022/03/01
PB - Elsevier
SP - 102599
VL - 51
SN - 2214-8604
ER -
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@article{2022_Kumar Jain,
author = {P. Ajith Kumar Jain and S Sattar and D. Mulqueen and D. Pedrazzoli and Robert Pipes and Oleksandr Kravchenko},
title = {Role of annealing and isostatic compaction on mechanical properties of 3D printed short glass fiber nylon composites},
journal = {Additive Manufacturing},
year = {2022},
volume = {51},
publisher = {Elsevier},
month = {mar},
url = {https://doi.org/10.1016/j.addma.2022.102599},
pages = {102599},
doi = {10.1016/j.addma.2022.102599}
}