#6959. High-temperature 3D printing of polyetheretherketone products: Perspective on industrial manufacturing applications of super engineering plastics

December 2026publication date
Proposal available till 05-06-2025
4 total number of authors per manuscript0 $

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Journal’s subject area:
Mechanical Engineering;
Mechanics of Materials;
Materials Science (all);
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Abstract:
A refined additive manufacturing system of material extrusion type was developed considering the high-temperature conditions of extruder and chamber. With this setup, a super engineering plastic material, named polyetheretherketone (PEEK), could be printed into three-dimensional (3D) parts without any delamination or warpage. To obtain maximum performance in terms of mechanical strength, experimental studies were conducted considering the thermal process parameters such as nozzle and chamber temperatures. These optimal process settings and carefully controlled heating conditions, incorporated with post-processing of additional heat treatment, could provide a high degree of crystallinity and high tensile strength (i.e., more than 90% compared to original material properties). To demonstrate the feasibility of industrial applications, we fabricated and tested several product prototypes, such as a wafer jig, a lathe chuck part, and plastic injection molds, all of which confirmed the excellent performance of PEEK for chemical resistance, high strength, and heat resistance, respectively.
Keywords:
3D printing; Industrial applications; Material extrusion; Polyetheretherketone; Super engineering plastic

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