Heat treatment of steel parts in different media

Authors

  • Suresh C. Maidargi Department of Chemical Engineering, Dayananda Sagar Institutions, Shavige Malleshwara Hills, Kumaraswamy Layout, Bangalore - 560 078, Karnataka
  • Veena Rani Department of Chemical Engineering, Dayananda Sagar Institutions, Shavige Malleshwara Hills, Kumaraswamy Layout, Bangalore - 560 078, Karnataka

Keywords:

Carburizing, Hardening, Quenching, Tempering, Metallography

Abstract

This study reports an investigation of the effect of different media (oil and polymer) on the properties of different grade steel parts. Steel parts after manufacture, will not have the desired properties like wear resistance, tensile strength, surface and core hardness. To attain these, heat treatment processes like Case Hardening (CH) or Through Hardening (TH) were carried out in sealed quench furnace and rotary furnace. The microstructure of the steel part influences the hardness of the same. The required microstructure is Fine Tempered Martensite (FTM) and the Quench media has a very important role in achieving this. Using different grades of steels, the trials were carried out in SAVSOL Q OO1 oil and POLYQUENCH-GN polymer. Finally comparative trials were also carried out in order to determine the suitability of new quench media. Polymer quench was found to be better quench media in terms of time and energy savings to get the required microstructure – FTM, which gave the improved desired properties.

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Author Biography

Veena Rani, Department of Chemical Engineering, Dayananda Sagar Institutions, Shavige Malleshwara Hills, Kumaraswamy Layout, Bangalore - 560 078, Karnataka

Chemical engineerig

References

Unterweiser, P.M. (1989). Heat Treater’s Guide : standards practices and procedures for steel. 5th edition. Metals Park, Ohio : American Society for Metals.

Krauss, G. (1990). Steels : Heat Treatment and Processing Principles. in ASM International. Materials Park : Ohio.

Collin, R., Gunnarson, S. and Thulin, D. (1972). Mathematical Model For Predicting Carbon Concentration Profiles Of Gas-Carburized Steel. J. Iron Steel. 210(10) : 785-789.

Naito, T. (2002). Gas carburizing and material strengthening methods. Practical carburizing technology. 2nd edition.

Tool and Manufacturing Engineers Handbook. (1985). Society of Manufacturing Engineers. 4th edition. 10-25.

Quenchants-Monitoring and Maintenance. (2011). Fuchs Technical Information. 912 edition. 7-12.

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Published

2013-12-31

How to Cite

[1]
S. C. Maidargi and V. . Rani, “Heat treatment of steel parts in different media”, J Met Mater Miner, vol. 23, no. 2, Dec. 2013.

Issue

Vol. 23 No. 2 (2013)

Section

Original Research Articles

License

Copyright (c) 2013 Journal of Metals, Materials and Minerals

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