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In addition to research papers, the Design Society is developing several valuable resources for those interested in the study of design. These include a repository of PhD theses, a library of case studies and transcripts of design activities, and an archive of our newsletters. Please note that these resources are accessible exclusively to Design Society members.

Thermal process monitoring for layer adhesion by tracking nozzle position in material extrusion

Dupas, Julie; Elverum, Christer W.; Sasson, Sean H.; Eikevåg, Sindre W.

Type:
Papers
DS 145: Proceedings of the DESIGN2026 19th International Design Conference
Year:
2026
Editor:
Štorga, M.; Škec, S.; Martinec, T.; Marjanović, D.; Pavković, N.
Author:
Dupas, Julie; Elverum, Christer W.; Sasson, Sean H.; Eikevåg, Sindre W.
Series:
DESIGN
Institution:
Norwegian University of Science and Technology, Norway
Page(s):
1881-1890
DOI number:
10.1017/pds.2026.10546
ISSN:
2732-527X (Online)
Abstract:
We present a thermal process-monitoring system for MEX tracking layer temperature as a proxy for interlayer adhesion. Python-based hottest-point tracking by infrared thermography is implemented on a chamber-heated desktop printer to track nozzle movements and measure the temperature field millimeters ahead of deposition logging the results on a CSV file. We quantify accuracy versus camera distance (Δd=73mm) and probe radius (R2-R5). Where R3-R4 provided just a ΔRMSE of 1.52°C suggesting R3 as the optimal distance. The results can inform mechanical properties in load-bearing AM applications.
Keywords:
additive manufacturing, 3D printing, experimentation, process analysis, thermal process monitoring
DESIGN2026 - The 19th International Design Conference
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