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- Title
INVESTIGATION OF NANOMECHANICAL PROPERTIES OF MICROSTRUCTURAL COMPONENTS OF SELECTED ALLOY TOOL STEEL.
- Authors
Escherová, Jana; Majerík, Jozef; Krbaťa, Michal
- Abstract
The aim of this study is to measure and evaluate of mechanical properties of microstructural components of alloyed tool steel C120U according to STN Standard. The measurement was performed on an experimental device Hysitron TI 950 Triboindeneter, which is a part of CEDITEK Laboratories at FST TnUAD. The testing of alloyed tool steel C120U was performed due to the high demands on tool steels in industrial practice, such as high strength, toughness, fatigue and abrasive wear resistance, corrosion resistance, temperature stability and others. The Berkovich test tip type was used in the research process. Chapter 1 describes the research of foreign authors who focused on the mechanical properties of high-strength steels. Chapter 2 shows the results of own experiments such as chemical composition, mechanical properties, evaluation and description of microanalysis of alloy tool steel C120U by using light microscopy. The calculation of the Young's modulus of elasticity and the experimental method are also found in Chapter 2. Chapter 3 presents the measured mechanical properties of the components of the structure of the tested steel, the distribution of individual indent positions on SPM (Scanning Probe Microscopy) scans, the nanoindentation curve obtained from indents on SPM scans and a comparison of Young's modulus of elasticity Er and calculated Young's modulus of elasticity phase Es. The conclusion and evaluation of the measured data is given in Chapter 4.
- Subjects
NANOINDENTATION; TOOL-steel; STEEL alloys; SCANNING probe microscopy; YOUNG'S modulus; MODULUS of elasticity; FRETTING corrosion
- Publication
University Review (1337-6047), 2021, Vol 15, Issue 1, p14
- ISSN
1337-6047
- Publication type
Article