Metal Science and Heat Treatment

, Volume 29, Issue 10, pp 792–795 | Cite as

Laser treatment of sintered TiC-steel alloys

  • V. K. Narva
  • N. S. Loshkareva
  • M. N. Kryanina
  • E. P. Shurenkov
Technical Information
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Conclusions

  1. 1.

    Laser treatment of TiC-5Kh6VM2 steel alloys leads to a significant increase in hardness in the zone of laser action. The maximum effect of laser hardening is obtained for alloys containing up to 30% TiC.

     
  2. 2.

    The addition of titanium carbide to the steel leads to an increase in the depth of the zone of laser action as the result of a change in the character of heat dissipation.

     
  3. 3.

    The increase in hardness of the alloy with 10% TiC is caused by the significant redistribution of the carbide phase, the increase in its degree of dispersion, and additional alloying of the steel binder.

     
  4. 4.

    After laser treatment of alloys containing 10% TiC their relative wear resistance ε is four to five times higher than after through oil hardening. The ε of the alloy with 10% TiC is also higher than the ε of alloys with a higher TiC content.

     
  5. 5.

    The tendency toward crack formation of alloys with titanium carbide limits its content to 10%.

     

Keywords

Titanium Carbide Wear Resistance Laser Treatment Steel Alloy 

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Literature cited

  1. 1.
    S. S. Kiparisov, V. K. Narva, and N. S. Loshkareva, "The production and properties of TiC-base wear-resistant materials with a binder of multialloyed steel," in: Proceedings of the Moscow Institute of Steel and Alloys [in Russian], No. 99, Metallurgiya, Moscow (1977), p. 49.Google Scholar
  2. 2.
    P. A. Leonov, N. T. Chekanova, and M. G. Khan, Laser Surface Treatment of Metals and Alloys [in Russian], Metallurgiya, Moscow (1986), pp. 45–64.Google Scholar
  3. 3.
    V. S. Kroposhin, "Surface treatment of metallic materials by laser radiation," Poverkhnost'. Fiz., Khim., Mekh., No. 3, 1–12 (1982).Google Scholar
  4. 4.
    S. S. Kiparisov, V. K. Narva, N. S. Loshkareva, et al., "An investigation of the interaction of the components in titanium carbide-steel sintered materials," Poroshk. Metall., No. 8, 46–50 (1977).Google Scholar
  5. 5.
    L. É. Val'dma et al., "A method of investigation of materials with a hydroabrasive stream," in: Proceedings of the Tallin Polytechnic Institute [in Russian], No. 381 (1975), pp. 33–38.Google Scholar

Copyright information

© Plenum Publishing Corporation 1988

Authors and Affiliations

  • V. K. Narva
  • N. S. Loshkareva
  • M. N. Kryanina
  • E. P. Shurenkov

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