About this Abstract |
Meeting |
2021 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2021)
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Symposium
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Materials
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Presentation Title |
Investigation into Laser Sintering of PEEK Using Commercially Available Low Powder Bed Temperature Machine |
Author(s) |
Takashi Kigure, Yuki Yamauchi, Toshiki Niino |
On-Site Speaker (Planned) |
Takashi Kigure |
Abstract Scope |
Polyetheretherketone (PEEK) is one of the highest-performance plastics in terms of heat and chemical resistance and mechanical strength. Laser sintering of PEEK requires high powder bed temperature above 300℃, and this pushes up machine price and pulls down powder recycle rate which leads to high material cost.
The authors are proposing a modified laser sintering process which allows the bed temperature to be set lower than recrystallization temperature, namely low temperature process. In the previous work, laser sintering of PEEK at a bed temperature of 200℃ have been successfully performed. In the present research, a bed temperature of 170℃, which is typical for PA12 process, was tested, and parts with a high relative density of more than 90% were obtained. This result shows that laser sintering of PEEK can be processed with a commercially available laser sintering machine resulting in drastic cost cut in terms of machine and material costs. |
Proceedings Inclusion? |
Definite: Post-meeting proceedings |