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Use of commercial-grade lignosulfonate solution for quenched large steel articles

  • Heat Treatment Technology
  • Published:
Metal Science and Heat Treatment Aims and scope

Conclusions

  1. 1.

    Choice of working parameters for aqueous polymer solutions depends markedly on the size of the articles being quenched (scale factor). With an increase in article diameter and with constant solution parameters the cooling rate and internal stresses correspond to those achieved with water quenching.

  2. 2.

    For articles with a cross section less than 200 mm quenching in 6.5% CLS solution is similar to oil quenching, and for massive articles it is similar to quenching in 12% CLS solution; with a cylindricals article diameter of more than 500 mm quenching in 12% CLS solution replaces quenching through water into oil.

  3. 3.

    A change in aqueous CLS solution concentration and temperature and use of interrupted quenching makes it possible to fix the level and nature of distribution for residual stresses in articles.

  4. 4.

    Industrial proving and a study of the mechanical properties of medium-carbon steels confirm the efficiency of using aqueous CLS solutions in quenching massive articles made from them.

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Authors
  1. V. E. Loshkarev
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  2. L. I. Sorokina
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  3. S. A. Peskishev
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Additional information

Central Scientific-Research and Planning Institute for Boilers and Turbines. Bol'shevik Factory. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 12, pp. 5–10, December, 1990.

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Loshkarev, V.E., Sorokina, L.I. & Peskishev, S.A. Use of commercial-grade lignosulfonate solution for quenched large steel articles. Met Sci Heat Treat 32, 896–902 (1990). https://doi.org/10.1007/BF00700077

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  • DOI: https://doi.org/10.1007/BF00700077

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