Abstract
The sensitivity of DSC-traces to controlled ageing in successive heating/cooling cycles within the glass transition region was studied. The effects of cooling rate both of the melt and of the supercooled liquid, as well as of the heating rate, were considered. It was concluded that within the transformation region the cooling rate of supercooled liquid exerts the predominant effect on the reproducibility of the DSC-curves. It was demonstrated that the thermal history of a sample during glass formation may be erased by only one heating/cooling cycle within the transformation region.
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Lasocka, M. Reproducibility of thermal effects within the glass transition region. J Mater Sci 15, 1283–1292 (1980). https://doi.org/10.1007/BF00551818
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DOI: https://doi.org/10.1007/BF00551818