Institutional-Repository, University of Moratuwa.  

Theoretical investigation of thermogravimetric analysis on the decomposition of solid-state materials

Show simple item record

dc.contributor.advisor Amarasinghe DAS
dc.contributor.advisor Attygalle D
dc.contributor.advisor Weragoda VSC
dc.contributor.author Kumara DRD
dc.date.accessioned 2019
dc.date.available 2019
dc.date.issued 2019
dc.identifier.citation Kumara, D.R.D. (2019). Theoretical investigation of thermogravimetric analysis on the decomposition of solid-state materials [Master’s theses, University of Moratuwa]. Institutional Repository University of Moratuwa.http://dl.lib.mrt.ac.lk/handle/123/15908
dc.identifier.uri http://dl.lib.mrt.ac.lk/handle/123/15908
dc.description.abstract Thermogravimetric (TG) analysis and differential thermogravimetric (DTG) analysis are the most commonly used analytical techniques to determine the kinetic behaviour of solid-state chemical reactions through Arrhenius parameters and reaction model, which is called the kinetic triplet of solid-state reactions. There are number of methods proposed in the literature for extracting the kinetic parameters of solid-state reactions from TG & DTG thermograms. However, thermal event separation using curve fitting where overlapped thermal events may be present is mandatory before further TG/DTG analysis. In this study, a better curve fitting procedure and a new model fitting method for kinetic parameter extraction is proposed. Enhanced accuracy of the proposed method is proved by MATLAB® based, simulated DTG signals. Furthermore, a mathematical approach using higher differentials of DTG signal was developed to count the number of thermal events in overlapped DTG peaks. en_US
dc.language.iso en en_US
dc.subject MATERIALS SCIENCE AND ENGINEERING-Dissertations en_US
dc.subject MATERIALS-Solid State en_US
dc.subject THERMOANALYSIS en_US
dc.subject DIFFERENTIAL THERMAL ANALYSIS en_US
dc.title Theoretical investigation of thermogravimetric analysis on the decomposition of solid-state materials en_US
dc.type Thesis-Full-text en_US
dc.identifier.faculty Engineering en_US
dc.identifier.degree Master of Philosophy en_US
dc.identifier.department Department of Materials Science & Engineering en_US
dc.date.accept 2019
dc.identifier.accno TH4036 en_US


Files in this item

This item appears in the following Collection(s)

Show simple item record