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Die Anwendung des Derivatographen zur Gleichzeitigen Dilatometrischen und Differential-Thermischen Analyse von Gläsern

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Abstract

Simultaneous DTA and dilatometric measurements were made and the derivatives of the dilatometric curves were taken for three glasses by means of a derivatograph. Glass blocks were used as test pieces with a boring for the thermoelement. A maximum was observed in the rate of length change, which can be explained by overheating phenomena. A comparison with DTA curves of glass powders published by Yamamoto showed that the break points in the DTA curves of glass blocks do not coincide with the Tg points, but under identical conditions they can serve for the rapid characterization of the transformation range.

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Literatur

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Authors and Affiliations

  1. “Otto-Schott-Institut” der Sektion Chemie der Friedrich-Schiller-Universität Jena, DDR

    K. Heide, R. Haft, J. Paulik & F. Paulik

  2. Institut für Allgemeine und Analytische Chemie der Technischen Universität Budapest, Ungarn

    K. Heide, R. Haft, J. Paulik & F. Paulik

Authors
  1. K. Heide
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  2. R. Haft
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  3. J. Paulik
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  4. F. Paulik
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Additional information

Die Verfasser danken Herrn Prof. Dr. E. Pungor, Institut f. Allgemeine und Analytische Chemie der Technischen Universität Budapest, für seine freundliche Unterstützung. Dank gebührt weiterhin Herrn Dipl.-Phys. Schöne, VEB Jenaer Glaswerk Schott & Gen., DDR, für die Herstellung der Glasproben und das Überlassen von interferenzdilatometrischen Meßwerten und die graphische Differentiation dieser Kurve.

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Heide, K., Haft, R., Paulik, J. et al. Die Anwendung des Derivatographen zur Gleichzeitigen Dilatometrischen und Differential-Thermischen Analyse von Gläsern. Journal of Thermal Analysis 4, 83–87 (1972). https://doi.org/10.1007/BF02100953

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  • DOI: https://doi.org/10.1007/BF02100953

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