Manufacturing Technology 2024, 24(1):110-116 | DOI: 10.21062/mft.2024.017

Heat Treatment of Steel 1.3520: Influence of Temperature and Austenitization Time

Martin Ovsik ORCID..., Michal Stanek ORCID..., Martin Bednarik ORCID...
Tomas Bata University in Zlin, Faculty of Technology, Vavreckova 5669, 760 01 Zlin. Czech Republic.

This study deals with influence of temperature and time of austenitization on final mechanical proper-ties, especially hardness, obtained after heat treatment of steel 1.3520. Following process parameters of heat treatment were varied: time of austenitization and type of cooling medium, which has a significant effect on final structure, thus mechanical properties. These parameters were varied according to reccomended range given in material sheet. As can be seen from results, different temperature and time of austenitization influenced final hardness after quenching and tempering. Lower temperature and shorter time of austenitization led to insufficient homogenization of austenite and incomplete transformation to martensite and bainite, which resulted in lower hardness. On the other hand, higher temperature and longer time of austenitization can lead to coarser austenite grain, which can also result in lower hardness.

Keywords: Heat treatment, Hardening, Tempering, Austenitization, Hardness
Grants and funding:

This work was supported by the Internal Grant Agency of TBU in Zlin: no. IGA/FT/2024/003

Received: November 19, 2023; Revised: February 1, 2024; Accepted: February 1, 2024; Prepublished online: February 1, 2024; Published: February 23, 2024  Show citation

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Ovsik M, Stanek M, Bednarik M. Heat Treatment of Steel 1.3520: Influence of Temperature and Austenitization Time. Manufacturing Technology. 2024;24(1):110-116. doi: 10.21062/mft.2024.017.
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