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The paper presents continuous cooling transformation (CCT) diagram of selected low-alloy boron steel with high resistance to abrasion. Tests were performed on samples with dimensions of Ø 3 mm × 10 mm. Samples were prepared from examined material in as – delivery conditions, then were austenitized at 930 °C for 20 min, and then cooled with the rates of V800-500 = 0.17, 0.33, 1, 5, 10, 25 and 47 °C/s. During the dilatometric research, the critical temperatures were defined as well as the critical points specified for different cooling rates were designated. In addition, metallographic documentation of received microstructures after dilatometric investigations was prepared and hardness measurement was performed. Moreover, examinations of the basic parameters of strength, impact test and abrasion resistance test were performed and a tendency to brittle fracture was analyzed. The studies show big differences of the analyzed parameters depending on the applied heat treatment, which should provide guidance to users to specific applications of this type of steel.
Czasopismo
Rocznik
Tom
Strony
308--316
Opis fizyczny
Bibliogr. 10 poz., rys., tab., wykr.
Twórcy
autor
- Wroclaw University of Technology, Department of Materials Science, Welding and Strength of Materials, Smoluchowskiego Street 25, 50-370 Wrocław, Poland
autor
- AGH University of Science and Technology, Department of Physical & Powder Metallurgy, Mickiewicza Avenue 30, 30-059 Kraków, Poland
autor
- AGH University of Science and Technology, Department of Physical & Powder Metallurgy, Mickiewicza Avenue 30, 30-059 Kraków, Poland
Bibliografia
- [1] JFE EVERHARD, JFE-EH Series. Abrasion-Resistant Steel Plate. Information materials of ironworks, JFE Steel Corporation, 2014 http://www.jfe-steel.co.jp/en/products/plate/catalog/ c1e-004.pdf.
- [2] Hardox – Das Verschleibblech der vielen Möglichkeiten, Publishing house SSAB-Oxelösund. Information materials of ironworks SSAB-Oxelösund, 2002.
- [3] http://www.zerneri.com/english/aboro.htm. Information materials of ironworks Zerneri Acciai Spa.
- [4] J. Pacyna, Design the Chemical Composition of Steels, AGH University of Science and Technology, Kraków, 1997.
- [5] G. Krauss, Steels: Processing, Structure, and Performance, ASM International, 2005.
- [6] J. Kupczyk, A.K. Lis, Wpływ boru na kinetykę przemian fazowych stali 1021, in: 12th International Scientific Conference, Achievements in Mechanical and Materials Engineering, 2004.
- [7] K. Satora, K. Adrian, Wpływ boru na przemiany fazowe w stalach konstrukcyjnych, Metalurgia 33 (1986) 7–43.
- [8] J.W. Wyrzykowski, E. Pleszakow, J. Sieniawski, Odkształcenie i pękanie metali, WNT, Warszawa, 1999.
- [9] P. Kostencki, B. Łętkowska, R. Nowowiejski, Polowe badania odporności na zużycie ścierne lemieszy podłużnych wykonanych ze stali z dodatkiem boru, Tribologia 44 (3) (2013) 49–79.
- [10] M. Kazemipour, H. Shokrollahi, Sh. Sharafi, The influence of the matrix microstructure on abrasive wear resistance of heat-treated Fe–32Cr–4.5C wt% hardfacing alloy, Tribology Letters 39 (2010) 181–192.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-6b2b5dbc-b652-4dc1-9ae2-c66af9996df9