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On the determination of low nitrogen concentration gradients in austenitic CrNi(Mo) steels

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Abstract

For the determination of diffusion coefficients by using the model “diffusion into a plate” methodical examinations were carried out on samples of austenitic steel that had been nitrided in their marginal zones for 1.5 h at 1523 K.

For recording of the concentration of N as a function of the distance from the surface electron-probe microanalysis (EPMA) and the precision determination of the lattice parameters by Kossel technique were applied. Both methods yield comparable results.

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Authors and Affiliations

  1. Institute for Materials Science, Dresden University of Technology, Mommsenstrasse 13, D-O-8027, Dresden, Federal Republic of Germany

    Hans-Jürgen Ullrich, Matthias Schlaubitz & Jürgen Bauch

  2. Freiberg Mining Academy, Institute for Metals Lore, Gustav-Zeuner-Strasse 5, D-O-9200, Freiberg, Federal Republic of Germany

    Dieter Bergner & Andrea Kühl

  3. Institute for Chemical Technology of Anorganic Substances, Vienna University of Technology, Getreidemarkt 9, A-1060, Vienna, Austria

    Peter Ettmayer

  4. Joint Laboratory for Electron Microscopy, RWTH Aachen, Ahornstrasse 55, D-W-5100, Aachen, Federal Republic of Germany

    Peter Karduck

Authors
  1. Hans-Jürgen Ullrich
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  2. Matthias Schlaubitz
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  3. Jürgen Bauch
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  4. Dieter Bergner
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  5. Andrea Kühl
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  6. Peter Ettmayer
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  7. Peter Karduck
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Ullrich, HJ., Schlaubitz, M., Bauch, J. et al. On the determination of low nitrogen concentration gradients in austenitic CrNi(Mo) steels. Mikrochim Acta 107, 329–335 (1992). https://doi.org/10.1007/BF01244488

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  • DOI: https://doi.org/10.1007/BF01244488

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