Design and Effect of a Resin Infiltration Method to Enhance the Interlayer Adhesion of Additively Manufactured PEEK Parts
Francesco Tamburrino, Beatrice Aruanno, Alessandro Paoli, Armando V. Razionale, Sandro Barone
TL;DR
This paper introduces a resin infiltration method to improve the strength of 3D-printed PEEK parts, outperforming thermal treatments.
Contribution
The novel resin infiltration method significantly enhances interlayer adhesion and flexural strength in 3D-printed PEEK.
Findings
Resin infiltration increases flexural strength by up to 80% compared to untreated PEEK specimens.
Resin infiltration is more effective than thermal treatment in improving interlayer adhesion.
The method is cost-effective and suitable for PEEK parts with lower infill percentages.
Abstract
This study investigates post-processing treatments aimed at enhancing the mechanical properties of Polyether Ether Ketone (PEEK) parts fabricated via Fused Filament Fabrication (FFF). FFF-printed PEEK components often exhibit anisotropy and weak interlayer adhesion, which limit their structural performance. To address these issues, a resin infiltration treatment is proposed that yields improvements in flexural strength and strength-to-weight ratio across specimens with different infill percentages. The effectiveness of resin infiltration is compared to that of a thermal post-processing treatment. Experimental results indicate that, although thermal treatment enhances crystallinity, it does not substantially improve interlayer bonding or mitigate anisotropy. In contrast, resin infiltration significantly enhances flexural strength, particularly in specimens with lower infill percentages,…
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Taxonomy
TopicsAdditive Manufacturing and 3D Printing Technologies · 3D IC and TSV technologies · Additive Manufacturing Materials and Processes