Swerims nya TGA

Swerim’s new TGA is up and running!

22 March, 2021

The High Temperature lab at Swerim in now equipped with a brand-new Thermogravimetric analysis (TGA) equipment by TA Instruments. The TGA can be used for studying in-situ growth of oxide layers on metallic alloys related to high temperature corrosion processes at temperatures up to 1500 °C in various controlled atmospheres including O2, N2, H2O, CO, CO2, SO2, H2, HCl, CH4, NH3, etc.

Similarly, it can be used to investigate many types of gas-solid reactions involving oxides, metals, or other advanced materials.

Oxidation is a dynamic process, and it is temperature dependant. In some cases, a drawback of the standard tube furnace exposures is that to study oxidation kinetics, it is necessary to have discontinuous exposures to weigh the material after periods of time. Therefore, continuous measurement of the mass change of the materials during exposure provides valuable information that allows us to understand the oxidation mechanism of the material.

This principle can also be extrapolated to other corrosion mechanisms depending on the reaction atmosphere present during exposure, as well as reduction of oxides.

Andrea Olivas, responsible for the High Temperature Lab says “We are extremely happy to have the TGA finally installed and are looking forward to get the first results on high temperature corrosion processes of high alloyed metals”.