Influence of various parameters of cryogenic treatment on performance of tungsten carbide tool - A review



EOI: 10.11242/viva-tech.01.04.001

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Citation

Mansi Lakhani, "Influence of various parameters of cryogenic treatment on performance of tungsten carbide tool - A review", VIVA-IJRI Volume 1, Issue 4, Article 67, pp. 1-4, 2021. Published by Computer Engineering Department, VIVA Institute of Technology, Virar, India.

Abstract

Cryogenic treatment is supplementary thermal treatment done after conventional hardening process, wherein hardened material is further cooled till cryogenic temperatures which may range from -80°C to -196°C. In the case of various grades of steel, the cryogenic treatment process has proved to have improved mechanical properties significantly through conversion of retained austenite to martensite and refinement of grain structure of steel. However, the effect of cryogenic treatment on high hardness material like tungsten carbide is still in research and results are uncertain. Ongoing research have suggested that cryogenic treatment may result into improvement of hardness and wear resistance of tungsten carbide tools which in turn may improve tool life and efficiency of the cutting operation. But, the amount of improvement in properties majorly depends of various parameters of cryogenic treatments. This paper deals with reviewing various parameters of cryogenic treatment like cooling cooling rate, soaking temperature, soaking time, tempering temperature, tempering time and its effect on performance of tungsten carbide tool.

Keywords

cryogenic treatment, tungsten carbide, performance evaluation, tool life.

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