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Röntgen- und Neutronenbeugungsuntersuchungen an Schmelzen des Systems Fe−C

X-Ray and neutron wide-angle diffraction in molten alloys of the system Fe−C

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Physics of condensed matter

Abstract

By means of X-Ray- and neutron wide-angle diffraction in molten alloys of the system Fe−C intensity curves were obtained, from which atomic distribution functions could be deduced. From these results, together with results of ultrasound-velocity-measurements, follows the structural behaviour of molten Fe−C alloys in dependency of C-concentration. Increasing C concentration (up to 1.8w/0) causes a higher packing density of the melts because of increasing nearest neighbours distance and number. Above 1.8w/0 C the distance and above 3w/0 up to 5.5w/0 the number of nearest neighbours remains constant. (The upper limit of the concentration range under investigation was 5.5w/0 C.)

Furthermore, the existence of inhomogeneities in melts above 3.5w/0 C can be deduced from ultrasound velocity measurements.

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Authors and Affiliations

  1. Institut für Sondermetalle, Max-Planck-Institut für Metallforschung, Seestraße 92, D-7000, Stuttgart, Bundesrepublik Deutschland

    Ulrich Maier &  Siegtried Steeb

Authors
  1. Ulrich Maier
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  2. Siegtried Steeb
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Additional information

Teil der Dissertation von U. Maier, Universität Stuttgart, 1972.

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Maier, U., Steeb, S. Röntgen- und Neutronenbeugungsuntersuchungen an Schmelzen des Systems Fe−C. Phys cond Matter 17, 11–16 (1973). https://doi.org/10.1007/BF01464262

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  • DOI: https://doi.org/10.1007/BF01464262

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