Studies on the Mechanical Properties of C45 Steel with Martensitic Structure after a High Tempering Process
1
University of Zielona Góra, Faculty of Mechanical Engineering, 4 Prof. Szafran Street, 65-516 Zielona Góra, Poland
2
Lublin University of Technology, Faculty of Mechanical Engineering, 38 Nadbystrzycka Street, 20-618 Lublin, Poland
3
University of West Bohemia, Faculty of Mechanical Engineering, Department of Industrial Engineering and Management, 8 Univerzitni Street, 30614 Plzen, Czech Republic
4
Wroclaw University of Science and Technology, Faculty of Mechanical and Power Engineering, Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland
Publication date: 2022-07-01
Corresponding author
Tomasz Jachowicz
Lublin University of Technology, Faculty of Mechanical Engineering, 38 Nadbystrzycka Street, 20-618 Lublin, Poland
Lublin University of Technology, Faculty of Mechanical Engineering, 38 Nadbystrzycka Street, 20-618 Lublin, Poland
Adv. Sci. Technol. Res. J. 2022; 16(3):306-315
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ABSTRACT
This article describes the studies of the mechanical properties of the martensitic structure of C45 steel, obtained as a result of heat treatment. This steel was subjected to high tempering, within the temperature range of 500 ÷ 700°C (every 50°C) and for various exposure times, from 15 minutes to 23 hours. Moreover, martensitic steel was subjected to tests by quenching at a temperature of 850°C for 20 minutes and then tempering it for 1 hour, within the temperature range of 50 ÷ 800°C (every 50°C). The resulting steel samples were subjected to strength tests, that is, to tensile and hardness tests and also to tests on the micro-structure. The results of these studies are presented and discussed, in detail, in terms of their practical application.
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