Study of the thermal properties of filaments for 3D printing

Various materials are used for 3D printing, most commonly Acrylonitrile butadiene styrene (ABS), Polylactic acid (PLA), Polyethylene (PET) and Polypropylene (PP). These materials differ mainly in their melting point, which significantly influences the properties of the final products. Filaments are...

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Bibliographic Details
Main Authors: Trhlíková, Lucie, Zmeskal, Oldrich, Psencik, Petr, Florian, Pavel
Format: Conference Proceeding
Language:English
Subjects:
3-D printers
ABS resins
ACRYLONITRILE
Acrylonitrile butadiene styrene
BUTADIENE
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
COOLING
DEFORMATION
FILAMENTS
Fractal models
HEAT TRANSFER
MATERIALS SCIENCE
MELTING
MELTING POINTS
Parameters
Polyethylene terephthalate
POLYETHYLENES
Polylactic acid
POLYPROPYLENE
POSITRON COMPUTED TOMOGRAPHY
Product design
SPECIFIC HEAT
STYRENE
SUBSTRATES
THERMAL CONDUCTIVITY
THERMAL DIFFUSIVITY
Thermodynamic properties
Three dimensional printing
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Summary:Various materials are used for 3D printing, most commonly Acrylonitrile butadiene styrene (ABS), Polylactic acid (PLA), Polyethylene (PET) and Polypropylene (PP). These materials differ mainly in their melting point, which significantly influences the properties of the final products. Filaments are melted in the print head during the printing process. The temperature range is from 150 °C to 250 °C depending on the technology used. The optimum temperature for the cooling substrate on which printing is carried out is chosen so as to ensure uniform cooling and deformation. It generally varies between (40 – 100) °C. From the above it is clear that both temperatures can significantly affect the properties of the printed 3D object. It is therefore important to determine the thermal parameters (thermal conductivity, specific heat and thermal diffusivity) of the materials used across the entire range of temperatures. For evaluating the properties of different types of PLA materials, the step transient method was used, which allows determination of all required parameters using a fractal heat transfer model.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.4955258