publication . Article . 2012

On the Frequency Correction in Temperature-Modulated Differential Scanning Calorimetry of Glass Transition

Guo, Xiaoju; Mauro, J.C.; Allan, D.C.; Yue, Yuanzheng;
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  • Published: 01 Jan 2012 Journal: volume 358, pages 1,710-1,715issn: 0022-3093, Copyright policy
Temperature-modulated differential scanning calorimetry (TMDSC) is based on conventional DSC but with a sinusoidally modulated temperature path. Simulations of TMDSC signals were performed for Corning EAGLE XG® glass over a wide range of modulation frequencies. Our results reveal that the frequency correction commonly used in the interpretation of TMDSC signals leads to a master nonreversing heat flow curve independent of modulation frequency, provided that sufficiently high frequencies are employed in the TMDSC measurement. A master reversing heat flow curve can also be generated through the frequency correction. The resulting glass transition temperature from ...
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Article . 2012
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