31.01.2022 by Aileen Sammler, Dr. Natalie Rudolph

Material Science in Additive Manufacturing: Effects of fillers in Material Extrusion – Insights through Laser Flash Analysis

In the last episode, we ended with an explanation of the effect of fillers on rheology and processing. Today, we will talk about the effects such fillers can have on the part properties as well as processing using Laser Flash Analysis (LFA).

In the last episode, we ended with an explanation of the effect of fillers on rheology and processing. Today, we will talk about the effects such fillers can have on the part properties as well as processing using Laser Flash Analysis (LFA).

This week’s topic:

It is quite important to understand the effect of fillers on your material properties, because they affect processing and part properties. How fast is the material melting? How do the fillers align in the print nozzle or the printed part? How can that affect the Thermal ConductivityThermal conductivity (λ with the unit W/(m•K)) describes the transport of energy – in the form of heat – through a body of mass as the result of a temperature gradient (see fig. 1). According to the second law of thermodynamics, heat always flows in the direction of the lower temperature.thermal conductivity of my part? Let´s find out using NETZSCH Laser Flash Analysis (LFA).

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In our next video, we are going to talk about different analysis methods used for UV-curable thermosets.