Metal Science and Heat Treatment

, Volume 34, Issue 1, pp 26–31 | Cite as

Effect of heat treatment on the resistance of a dispersion hardening nickel alloy to hydrogen embrittlement

  • K. A. Yushchenko
  • V. S. Savchenko
  • O. N. Ostapenko
Heat-Resistant Steels and Alloys


  1. 1.

    Prolonged immersion of the alloy in an atmosphere of hydrogen and the magnitude of loading both influence the nature of fracture and critical crack propagation in specimens of 03Kh20N60MVYu.

  2. 2.

    In order to evaluate the influence of hydrogen on the crack resistance of alloys, determination of the property ratios KcH/Kc and KcH0.2 is proposed, and also the threshold value of KIcH defining the "safe working" level for parts.

  3. 3.

    Heat treatment according to the regime: austenize at 1050°C, 1 h; air cool + age at 75°C, 3 h; water cool, produces the formation of a structure in alloy 03Kh20N60MVYu with uniformly distributed particles of γ′-phase whose sizes deviate only slightly from the average.



Hydrogen Atmosphere Nickel Heat Treatment Water Cool 
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.


Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

Literature cited

  1. 1.
    V. V. Panasyuka (ed.), Mechanics of Fracture and Strength of Materials, Vol. 1: Principles of the Fracture Mechanics of Materials [in Russian], Naukova Dumka, Kiev (1988).Google Scholar
  2. 2.
    R. V. Khertsberg, Deformation and Fracture Mechanics of Structural Materials [in Russian], Metallurgiya, Moscow (1989).Google Scholar
  3. 3.
    F. Seiti, "Hydrogen engines and the selection of materials for them," Kindzoku,46, No. 4, 27–31 (1976).Google Scholar
  4. 4.
    V. P. Lesnikov, V. A. Kopylova, A. A. Kopylov, and V. V. Poleva, "Effect of heat treatment on the structure and properties of a dispersion hardening nickel alloy," Izv. Vyssh. Uchebn. Zaved., Chern. Metall., No. 6, 81–85 (1987).Google Scholar
  5. 5.
    D. Saga, "Hydrogen embrittlement of pure nickel and nickel-iron alloys," Nikhon Kindzoku Gakkai,41, No. 4, 345–352 (1977).Google Scholar
  6. 6.
    Yu. B. Egorova, "On the mechanisms of hydrogen embrittlement of heat-resistant nickel alloys," in: Interaction of Defects in the Crystal Lattice and the Properties of Metals and Alloys, Tula (1985).Google Scholar
  7. 7.
    K. A. Yushchenko, V. S. Savchenko, and O. N. Ostapenko, "Apparatus for determination of the fracture strength of welds in gaseous hydrogen," Informpis'mo, E. O. Paton IÉS, Akad. Nauk Ukr. SSR, Kiev (1989).Google Scholar
  8. 8.
    K. A. Yushchenko et al., "Arrangements for determining the crack resistance of metals in gas atmospheres at high pressure," Zavod. Lab.,55, No. 7, 79–81 (1989).Google Scholar
  9. 9.
    O. N. Romaniv, G. N. Nikiforchin, and A. S. Krys'kiv, "On the applicability of fracture critera for the evaluation of hydrogen embrittlement in high-strength steels," Fiz.-Khim. Mekh. Mater.,16, No. 6, 54–61 (1980).Google Scholar

Copyright information

© Plenum Publishing Corporation 1992

Authors and Affiliations

  • K. A. Yushchenko
  • V. S. Savchenko
  • O. N. Ostapenko

There are no affiliations available

Personalised recommendations