Advertisement

Metal Science and Heat Treatment

, Volume 16, Issue 1, pp 6–11 | Cite as

Anomalies in properties near phase transformation temperatures

  • Yu. A. Geller
  • V. F. Moiseev
  • S. B. Arutyunyan
Heat Treatment Technology
  • 18 Downloads

Conclusions

  1. 1.

    The anomalous change in dimensions near phase transformation temperatures can be partly fixed by rapid cooling to 20° from A1 +30–40°, i.e., temperatures below standard quenching temperatures.

     
  2. 2.

    The main reasons for the contraction are the magnetostriction effect (at temperatures near A1 and Curie temperature) and the change in the thermal expansion coefficient under conditions of low resistance to plastic deformation and high ductility.

     
  3. 3.

    The effect is not due to the presence of retained austenite, carbide phase, or stresses.

     
  4. 4.

    A special preliminary heat treatment is recommended to reduce changes in volume and linear dimensions during final quenching of parts with a complex shape.

     

Keywords

Carbide Heat Treatment Austenite Plastic Deformation Ductility 
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.

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

Literature cited

  1. 1.
    Yu. A. Geller, V. F. Moiseev, and S. B. Arutyunyan, "Reduction of the deformation of parts during heat treatment," Vestnik Mashinostroeniya,4, 61–64 (1972).Google Scholar
  2. 2.
    É. Houdremont, Special Steels [Russian translation], Vol. 1, Metallurgizdat, Moscow (1959).Google Scholar
  3. 3.
    Yu. A. Geller, L. S. Kremnev, and I. F. Zaitsev, "Effect of quenching and tempering on deformation of high-speed steels," Metallorezhushchii i Kontrol'no-Izmeritel'nyi Instrument,9, 14–17 (1970).Google Scholar
  4. 4.
    G. P. Luchinskii, Chemistry of Titanium [in Russian], Khimiya, Moscow (1971).Google Scholar
  5. 5.
    A. P. Gulyaev and L. M. Sarmanova, "Technological plasticity of high-speed steels," Metal. i Term. Obrabotka Metal., 7, 2 (1969).Google Scholar
  6. 6.
    P. A. Andzhyus, "Determining the technological plasticity of high-speed steel," Stankostroenie Litvy, 4 (1971).Google Scholar
  7. 7.
    Ya. R. Rauzin, Heat Treatment of Chromium Steels [in Russian], Mashgiz, Moscow (1955).Google Scholar
  8. 8.
    A. N. Popandopulo and V. I. Deineko, in Metal Science [in Russian], Transactions of the Leningrad Polytechnical Institute, No. 268, Mashinostroenie, Moscow (1966), pp. 17–25.Google Scholar

Copyright information

© Consultants Bureau 1974

Authors and Affiliations

  • Yu. A. Geller
  • V. F. Moiseev
  • S. B. Arutyunyan

There are no affiliations available

Personalised recommendations