An Experimental and Thermodynamic Study of the Co-W-C System in the Temperature Range 1470–1700 K

  • Leif Åkesson


In spite of its great practical importance in cemented carbides applications, the Co-W-C system has not been extensively investigated.


Carbon Activity Binder Phase Tungsten Content Regular Solution Model Pure Iron Sample 
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  1. 1.
    S. Takeda, A metallographic study of the action of the cementing materials for cemented tungsten carbide, Sci. Rep. Töhoku Univ., (Sendai), Honda Anniversary Volume: 864 (1936).Google Scholar
  2. 2.
    P. Rautala and J. T. Norton, Tungsten-cobalt-carbon system, Trans. AIME, 194:1045 (1952).Google Scholar
  3. 3.
    C. B. Pollock and H. H. Stadelmaier, The eta carbides in the Fe-W-C and Co-W-C systems, Met. Trans., 1:767 (1970).Google Scholar
  4. 4.
    T. Johansson and B. Uhrenius, Phase equilibria, isothermal reactions, and a thermodynamic study in the Co-W-C system at 1150°C, Metal Science, 12:83 (1978).Google Scholar
  5. 5.
    B. Uhrenius, B. Carlsson and T. Franzén, A study of the Co-W-C system at liquidus temperatures, Scand. J. Metallurgy, 5:49 (1976).Google Scholar
  6. 6.
    T. Johansson, Solidification studies in the Co-W-C system, Thesis, Univ of Uppsala, Inst. of Chemistry, UUIC-B 18-67 (1975).Google Scholar
  7. 7.
    M. Petrdlik and H. Tuma, Bestimmung des Kohlenstoff-und Wolframgehalt in der Kobalt-verbindungsphase bei WC-Co-Hartmetallen bei 1200°C an Hand der Kohlenstoffaktivität und des Gleichgewichtsdiagramms, in “Proceedings of the 10th Plansee-Seminar, Vol. 2, H. M. Ortner, ed., Metallwerk Plansee, Reutte (1981).Google Scholar
  8. 8.
    M. Hillert and L.-I. Staffansson, The regular solution model for stoichiometric phases and ion melts, Acta Chem. Scand., 24:3618 (1970).CrossRefGoogle Scholar
  9. 9.
    M. Hansen, “Constitution of binary alloys”, McGraw-Hill, New York, (1958).Google Scholar
  10. 10.
    ASM Metals Handbook, Volume 8, 8th edition, Metals Park, Ohio, (1973).Google Scholar
  11. 11.
    E.A. Guggenheim, The theoretical basis of Raoult’s law, Trans. Faraday Soc., 33:151 (1937).CrossRefGoogle Scholar
  12. 12.
    F. D. Richardson, The thermodynamics of metallurgical carbides and of carbon in iron, J. Iron Steel Inst., 175:33 (1953).Google Scholar
  13. 13.
    M. Hillert, T. Wada and H. Wada, The α — γ equilibrium in Fe-Mn, Fe-Mo, Fe-Ni, Fe-Sb, Fe-Sn and Fe-W systems, J. Iron Steel Inst., 205:539 (1967).Google Scholar
  14. 14.
    R. Otterberg, Phase equilibria in the Co-rich part of the Co-W-C system at 1000°C, Internal Report No. 2293, Sandvik AB, Stockholm (1975).Google Scholar
  15. 15.
    R. P. Smith, The activity of carbon in iron-cobalt alloys at 1000°C, Trans. AIME, 233:397 (1965).Google Scholar
  16. 16.
    K. K. Rao and M.E. Nicholson, The solubility of carbon in cobalt-nickel alloys at 1000°C, Trans. AIME, 227:1029 (1963).Google Scholar
  17. 17.
    J. C. Swartz, Solubility of graphite in cobalt and nickel, Met. Trans., 2:2318 (1971).CrossRefGoogle Scholar
  18. 18.
    H. Schenck, M. G. Frohberg and E. Steinmetz, Untersuchungen über wechselseitige Aktivitätseinflüsse in homogenen metallischen Mehrstofflösungen, Teil I. Experimentelle Untersuchungen der Systeme Mn-C-X, Co-C-X, Ni-C-X im flüssigen Zustand, Arch. Eisenhüttenwes., 34:37 (1963).Google Scholar
  19. 19.
    E. T. Turkdogan, R. A. Hancock and S. I. Herlitz, The solubility of graphite in manganese, cobalt and nickel, J. Iron Steel Inst., 182:274 (1956).Google Scholar
  20. 20.
    Y. Kojima and K. Sano, The solubility of graphite in nickel and cobalt and effects of alloying elements, Tetsu to Hagane, 47:897 (1961).Google Scholar
  21. 21.
    Ya. V. Pozhidaev, B. P. Burylev, J. E. Dobrovinskiy and V. D. Ivanova, Izv. VUZ/Chern. Met., 12:11 (1975).Google Scholar

Copyright information

© Plenum Press, New York 1983

Authors and Affiliations

  • Leif Åkesson
    • 1
  1. 1.Coromant Research CenterSandvik ABStockholmSweden

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