The Experimental research and evaluation of mechanical properties of microstructural components of high strenght steels by quasistatic nanoindentation
Abstract
The article solves the issue of evaluating the mechanical properties of the microstructural components of the C120U, 90MnCrV8 and X82WCrV9-5-2 tool steels. The reason for the choice of steels and their testing was the fact that on these tool steels are high demands and their properties using in industry, such as high strength, toughness, wear resistance, temperature stability, etc. Experimental measurements were performed on the device a Hysitron TI 950 Triboindenter with Triboscan evaluation software, which is part of CEDITEK Laboratories at Faculty of special technology. The Berkovich type was used as a test tip. Chapter 1 describes the research of foreign authors who in their studies dealt with the mechanical properties of selected types of high-strength steels. In chapter 2, the mechanical and chemical properties of the investigated materials, microstructural analysis and used methods are clearly presented. Based on the analysis, the methodologies of the performed experiments are described in sub-chapter 2.4. Achieved results of own experiments are presented in chapter 3. Realized experimental measurements and evaluation of measured data on selected locations of the investigated areas of tested steels using quasistatic nanoindentation are described in chapters 3 and 4.
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