Please use this identifier to cite or link to this item: https://doi.org/10.1016/S0040-6031(00)00564-5
Title: Study of temperature profile and specific heat capacity in temperature modulated DSC with a low sample heat diffusivity
Authors: Xu, S.X.
Li, Y. 
Feng, Y.P. 
Keywords: Specific heat
Temperature gradient
Thermal diffusivity
TMDSC
Issue Date: 28-Sep-2000
Citation: Xu, S.X., Li, Y., Feng, Y.P. (2000-09-28). Study of temperature profile and specific heat capacity in temperature modulated DSC with a low sample heat diffusivity. Thermochimica Acta 360 (2) : 131-140. ScholarBank@NUS Repository. https://doi.org/10.1016/S0040-6031(00)00564-5
Abstract: One important application of temperature modulated DSC (TMDSC) is the measurement of specific heat of materials. When the sample has very good thermal conductivity as in the case of metals, the temperature gradient is not normally an important factor and can be ignored most of the time. However, in the case of materials with poor heat transfer properties, for example, polymers, the thermal conductivity is only in the order of 1/1000 or so of that of metals. This could have a major effect on the test results. In this paper, a round analytical solution is given and a numerical model is used to analyze the effects of thermal diffusivity on temperature distribution inside the test sample and specific heat measurement by TMDSC, PET sample test results are presented to demonstrate the effects of material thermal diffusivity. © 2000 Elsevier Science B.V.
Source Title: Thermochimica Acta
URI: http://scholarbank.nus.edu.sg/handle/10635/98095
ISSN: 00406031
DOI: 10.1016/S0040-6031(00)00564-5
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