Metal Science and Heat Treatment

, Volume 15, Issue 4, pp 298–301 | Cite as

Fracture toughness of high-strength steel

  • V. G. Laz'ko
  • V. E. Laz'ko
  • B. M. Ovsyannikov
Structural Steels
  • 69 Downloads

Conclusions

  1. 1.

    The fracture toughness of high-strength steels after tempering at low temperatures is increased by alloying with ∼4% Ni, Cr, and Cu, and also 1%W, 1.6% Si, and 2% Co. Alloying with molybdenum impairs the fracture toughness.

     
  2. 2.

    The resistance to fracture of high-strength steel depends to a considerable extent on structural factors — the size of martensite crystals and the evenness of carbon distribution in microvolumes of the martensite.

     

Keywords

Martensite Molybdenum Fracture Toughness Structural Factor Considerable Extent 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Literature cited

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Copyright information

© Consultants Bureau, a division of Plenum Publishing Corporation 1973

Authors and Affiliations

  • V. G. Laz'ko
  • V. E. Laz'ko
  • B. M. Ovsyannikov

There are no affiliations available

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