Journal of Manufacturing Processes, volume 85, pages 1096-1115

Optimization of a combined thermal annealing and isostatic pressing process for mechanical and surface enhancement of Ultem FDM parts using Doehlert experimental designs

Ariadna Chueca De Bruijn 1
Giovanni Gomez-Gras 1
Laura Fernández-Ruano 1
Laia Farràs-Tasias 1
Marco A. Pérez 1
Publication typeJournal Article
Publication date2023-01-01
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor6.1
ISSN15266125
Industrial and Manufacturing Engineering
Strategy and Management
Management Science and Operations Research
Abstract
The mechanical anisotropy of Fused Deposition Modeling (FDM) fabricated parts due to voids and non-uniform bond formation between rasters represents a major challenge for the widespread adoption of this fabrication technique. The present article addresses a novel post-processing procedure for FDM Ultem™ 9085 parts based on thermal annealing coupled with isostatic pressing to produce specimens with improved mechanical and surface properties. Response surface methodology was used to obtain mathematical models for all the studied responses. In particular, the sequentiality of Doehlert Designs was exploited to select the optimal combination of time and temperature of the process, resulting in specimens with noticeably improved layer adhesion, as noted by enhancements in flexural modulus, flexural strength, strain at flexural strength, and surface roughness. Confirmatory experiences of the optimal point with different printing orientations have demonstrated the capability of the proposed method to reduce anisotropy in the mechanical properties of the treated parts. In addition, microscopy imaging, Raman spectroscopy, and X-ray diffraction were beneficial to justify the observed results. This study sheds new light on the post-processing of FDM polymers, and the presented optimization methodology can be extrapolated to other materials and processes.

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Chueca De Bruijn A. et al. Optimization of a combined thermal annealing and isostatic pressing process for mechanical and surface enhancement of Ultem FDM parts using Doehlert experimental designs // Journal of Manufacturing Processes. 2023. Vol. 85. pp. 1096-1115.
GOST all authors (up to 50) Copy
Chueca De Bruijn A., Gomez-Gras G., Fernández-Ruano L., Farràs-Tasias L., Pérez M. A. Optimization of a combined thermal annealing and isostatic pressing process for mechanical and surface enhancement of Ultem FDM parts using Doehlert experimental designs // Journal of Manufacturing Processes. 2023. Vol. 85. pp. 1096-1115.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1016/j.jmapro.2022.12.027
UR - https://doi.org/10.1016/j.jmapro.2022.12.027
TI - Optimization of a combined thermal annealing and isostatic pressing process for mechanical and surface enhancement of Ultem FDM parts using Doehlert experimental designs
T2 - Journal of Manufacturing Processes
AU - Chueca De Bruijn, Ariadna
AU - Gomez-Gras, Giovanni
AU - Fernández-Ruano, Laura
AU - Farràs-Tasias, Laia
AU - Pérez, Marco A.
PY - 2023
DA - 2023/01/01
PB - Elsevier
SP - 1096-1115
VL - 85
SN - 1526-6125
ER -
BibTex
Cite this
BibTex Copy
@article{2023_Chueca De Bruijn,
author = {Ariadna Chueca De Bruijn and Giovanni Gomez-Gras and Laura Fernández-Ruano and Laia Farràs-Tasias and Marco A. Pérez},
title = {Optimization of a combined thermal annealing and isostatic pressing process for mechanical and surface enhancement of Ultem FDM parts using Doehlert experimental designs},
journal = {Journal of Manufacturing Processes},
year = {2023},
volume = {85},
publisher = {Elsevier},
month = {jan},
url = {https://doi.org/10.1016/j.jmapro.2022.12.027},
pages = {1096--1115},
doi = {10.1016/j.jmapro.2022.12.027}
}
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