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@ARTICLE{DeLannoye:1022343,
author = {De Lannoye, Karen and Trettin, C. and Belt, Alexander and
Reinecke, Ernst-Arndt and Goertz, R. and Arnold, Lukas},
title = {{T}he influence of experimental conditions on the mass loss
for {TGA} in fire safety science},
journal = {Fire safety journal},
volume = {144},
issn = {0378-7761},
address = {New York, NY [u.a.]},
publisher = {Elsevier},
reportid = {FZJ-2024-01460},
pages = {104079 -},
year = {2024},
abstract = {A thermogravimetric analyser (TGA) measures the mass loss
of a sample as function of temperature, during a predefined
heating program. The results are applied for developing
reaction kinetics in fire safety science. It is assumed that
the sample and the apparatus are in perfect thermal
equilibrium. Therefore, the analysis ignores any apparatus
or sample specific aspects. However, different experimental
and material parameters, like the reacting atmosphere or
sample mass, influence the observed mass loss. This research
work illustrates the impact of experimental and material
conditions on the measurement results. Polymethyl
methacrylate (PMMA) is used for this study because of its
important role in fire safety science. The influence of
different atmospheres, sample mass, colour and flow rates
was examined in three different TGA devices at heating rates
between 2 K/min and 80 K/min. The major difference was
observed for different atmospheres, inert versus synthetic
air atmosphere. A difference up to 75 °C in onset
temperature was found. The flow rate does not have any
influence under inert atmosphere. The colour of the samples
has a small influence on the mass loss rates. When comparing
different devices, it was found that the peak temperature
differs less than 10 °C under inert atmosphere. This
contribution discusses and compares the observed influence
of the different conditions.},
cin = {IAS-7 / IEK-14},
ddc = {690},
cid = {I:(DE-Juel1)IAS-7-20180321 / I:(DE-Juel1)IEK-14-20191129},
pnm = {5111 - Domain-Specific Simulation $\&$ Data Life Cycle Labs
(SDLs) and Research Groups (POF4-511)},
pid = {G:(DE-HGF)POF4-5111},
typ = {PUB:(DE-HGF)16},
UT = {WOS:001165332500001},
doi = {10.1016/j.firesaf.2023.104079},
url = {https://juser.fz-juelich.de/record/1022343},
}