Table of Contents
Appl. Sci., Volume 9, Issue 13 (July-1 2019)
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Cover Story (view full-size image) Using semi-crystalline polymers as feedstock for fused filament fabrication still poses some major [...] Read more. Using semi-crystalline polymers as feedstock for fused filament fabrication still poses some major challenges. Hence, to study the development of the crystallinity of printed parts, infrared thermography was utilized to record the thermal history of deposited layers while printing a single-layer wall geometry, employing two PA 6/66 copolymers with distinct molecular weights as feedstocks. Print settings were varied and the resulting temperature profiles were simulated in a fast scanning chip calorimetry (FSC) device, which has proven to be an effective tool to assess the impact of both print parameters and feedstock characteristics on the crystallization behavior of semi-crystalline polymers over the course of printing. View Paper here.