Strength of Materials

, Volume 41, Issue 1, pp 20–24 | Cite as

Deformation and fracture of high-temperature steels at different temperatures and loading rates

  • E. A. Kondryakov
  • S. V. Lenzion
  • V. V. Kharchenko


Charpy impact tests were conducted at different temperatures and loading rates. Temperature dependences of the crack initiation and propagation energies were determined for carbon steel 45, steels St. 3 and 15Kh2NMFA from the load-time curves obtained with due account of the impact test results. The effect of the loading rate on the temperature dependence of the impact toughness was analyzed within the range from 1 to 4.4 m/s.


high-temperature steels Charpy specimen instrumented impact testing machine impact toughness crack initiation and propagation energy brittle-to-ductile transition temperature crack propagation rate 


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Copyright information

© Springer Science+Business Media, Inc. 2009

Authors and Affiliations

  • E. A. Kondryakov
    • 1
  • S. V. Lenzion
    • 1
  • V. V. Kharchenko
    • 1
  1. 1.Pisarenko Institute of Problems of StrengthNational Academy of Sciences of UkraineKievUkraine

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