Journal of Heat Treating

, Volume 3, Issue 3, pp 249–253 | Cite as

Heat treatment of powdered metal parts in gaseous NH3-SO2 atmospheres

  • K. Szczecinski
  • M. Wysiecki
  • W. Wawrzynski


The effects of oxygen-nitrogen sulfurizing on the wear of sintered iron are presented. The results of tests run with and without lubrication demonstrate the marked improvement in wear resistance produced by this treatment.


Cast Iron Wear Test Shock Absorber Gray Cast Iron 5140H Steel 
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  1. 1.
    Patent PRL No. 106379, 30.09.1980, Warsaw, Poland.Google Scholar
  2. 2.
    K. Szczecinski and M. Wysiecki: “A New Thermochemical Treatment in Gas Atmosphere to Replace ‘Sulfinuz’ Process,” 18th International Conference on Heat Treatment of Materials, Detroit, MI, 1980, pp. 169–180.Google Scholar
  3. 3.
    D. Veshi: “Anti-Wear Treatments by Nitrogen, Carbon, and Sulphur Absorption and Comparative Effects,” 2nd International Congress on Heat Treatment of Materials, Florence, Italy, 1982, pp. 951–961.Google Scholar

Copyright information

© American Society for Metals 1984

Authors and Affiliations

  • K. Szczecinski
    • 1
  • M. Wysiecki
    • 1
  • W. Wawrzynski
    • 2
  1. 1.Institute of Materials Engineering of the Szczecin PolytechnicPoland
  2. 2.Polish Institute of Motorization in WarsawPoland

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