Metal Science and Heat Treatment

, Volume 9, Issue 4, pp 262–263 | Cite as

Compressed air as a cooling medium in induction hardening

  • P. A. Lankin


  1. 1.

    In induction hardening the cooling rates from 650 to 550°C and in the region of the martensitic transformation of supercooled austenite are of greater importance in quenching with compressed air than in quenching with still oil.

  2. 2.

    The cooling rate is nearly the same in quenching with oil and compressed air.



Austenite Cool Rate Martensitic Transformation Cooling Medium Supercooled Austenite 
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Literature cited

  1. 1.
    G. F. Golovin and N. V. Zimin, in: Commerical Use of High-Frequency Current in Electrothermics, Book 53 [in Russian], Moscow, Mashgiz (1961).Google Scholar
  2. 2.
    Yu. M. Bogatyrev and V. P. Pleshachkova, Metalloved. i Term. Obrabotka Metal., No. 11 (1956).Google Scholar
  3. 3.
    L. V. Petrash, Quenching Media [in Russian], Moscow, Mashgiz (1959).Google Scholar
  4. 4.
    P. Cary, E. Magnus, and W. Herring, Metal Prog.,73, No. 3 (1958).Google Scholar

Copyright information

© Consultants Bureau 1967

Authors and Affiliations

  • P. A. Lankin

There are no affiliations available

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