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Properties of quenching agents based on water with additions of polymer PK-2

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Metal Science and Heat Treatment Aims and scope

Conclusions

  1. 1.

    An increase in polymer PK-2 concentration in water from 0.25 to 2% leads to a change in the thermophysical properties of the quenching agent, as a result of which there is an increase in the time for the change from film boiling to bubble boiling, and consequently the time for cooling an article during quenching. The cooling capacity of 1–1.25% PK-2 solution approaches the cooling capacity of quenching oils. A similar action is caused by increasing the temperature of the aqueous PK-2 solution.

  2. 2.

    For steels with 0.4–0.5% C the optimum cooling agent is 1–1.25% aqueous solution of PK-2 polymer with a temperature not above 50°C.

  3. 3.

    Quenching in this solution leads to some increase in the strength properties and a little reduction in ductility and toughness of steels 45 and 40Kh.

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Literature cited

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Authors
  1. V. V. Goryushin
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  2. N. I. Kobasko
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Additional information

I. A. Likhachov Moscow Automobile Plant, Production Union. Academy of Sciences of the Ukrainian SSR. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 7, pp, 29–32, July, 1984.

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Goryushin, V.V., Kobasko, N.I. Properties of quenching agents based on water with additions of polymer PK-2. Met Sci Heat Treat 26, 516–520 (1984). https://doi.org/10.1007/BF00706708

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  • DOI: https://doi.org/10.1007/BF00706708

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