Extrusion & Post
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PAEK 3D printing interlayer bonding force
Problem Phenomenon
PAEK printed parts have weak interlayer bonding and low Z-direction strength
Cause Analysis
The cooling and crystallization of the previous layer hinders molecular diffusion with the subsequent layer; the chamber temperature is insufficient
Solution
Increase the chamber temperature to close to the Tg of PAEK; optimize printing parameters to reduce thermal history
Key Takeaway
Additive manufacturing of PAEK requires a high-temperature environment
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