Hardness and Wear Resistance of TiC-Fe-Cr Locally Reinforcement Produced in Cast Steel

• Autorzy: Olejnik E. , Szymański Ł. , Kurtyka P. , Tokarski T. , Grabowska B. , Czapla P.

Identyfikatory

DOI

10.1515/afe-2016-0032

• Języki publikacji: EN

Abstrakty

EN

In order to increase wear resistance cast steel casting the TiC-Fe-Cr type composite zones were fabricated. These zones were obtained by means of in situ synthesis of substrates of the reaction TiC with a moderator of a chemical composition of white cast iron with nickel of the Ni-Hard type 4. The synthesis was carried out directly in the mould cavity. The moderator was applied to control the reactive infiltration occurring during the TiC synthesis. The microstructure of composite zones was investigated by electron scanning microscopy, using the backscattered electron mode. The structure of composite zones was verified by the X-ray diffraction method. The hardness of composite zones, cast steel base alloy and the reference samples such as white chromium cast iron with 14 % Cr and 20 % Cr, manganese cast steel 18 % Mn was measured by Vickers test. The wear resistance of the composite zone and the reference samples examined by ball-on-disc wear test. Dimensionally stable composite zones were obtained containing submicron sizes TiC particles uniformly distributed in the matrix. The macro and microstructure of the composite zone ensured three times hardness increase in comparison to the cast steel base alloy and one and a half times increase in comparison to the white chromium cast iron 20 % Cr. Finally ball-on-disc wear rate of the composite zone was five times lower than chromium white cast iron containing 20 % Cr.

Słowa kluczowe

EN

reinforcement; castings; hardness; wear resistance; in situ TiC; ball-on-disk

PL

zbrojenie; odlew; twardość; odporność na ścieranie

• Wydawca: Komisja Odlewnictwa Polskiej Akademii Nauk Oddział w Katowicach
• Czasopismo: Archives of Foundry Engineering
• Rocznik: 2016
• Tom: Vol. 16, iss. 2
• Strony: 89--94
• Opis fizyczny: Bibliogr. 18 poz., il., rys., tab.

Twórcy

autor

Olejnik E.

• INNERCO Ltd., Zarzecze 42, 30-134 Cracow, Poland
• AGH University of Science and Technology, Department of Engineering of Cast Alloys and Composites Faculty of Foundry Engineering, Reymonta 23, 30-059 Cracow, Poland

autor

Szymański Ł.

• AGH University of Science and Technology, Department of Engineering of Cast Alloys and Composites Faculty of Foundry Engineering, Reymonta 23, 30-059 Cracow, Poland
• AGH University of Science and Technology, Department of Foundry Processes Engineering Faculty of Foundry Engineering, Reymonta 23, 30-059 Cracow, Poland

autor

Kurtyka P.

• Pedagogical Univeristy of Cracow, Institute of Technology Faculty of Mathematics, Physics and Technical Science, Podchorazych 2, 30-084 Cracow, Poland

autor

Tokarski T.

• AGH University of Science and Technology, Academic Centre of Materials and Nanotechnology, al. Mickiewicza 30, 30-059 Cracow, Poland

autor

Grabowska B.

• AGH University of Science and Technology, Department of Foundry Processes Engineering Faculty of Foundry Engineering, Reymonta 23, 30-059 Cracow, Poland

autor

Czapla P.

• AGH University of Science and Technology, Department of Foundry Processes Engineering Faculty of Foundry Engineering, Reymonta 23, 30-059 Cracow, Poland

Bibliografia

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• [3] La, P., Wei, F., Hu, S., Li, C. & Wei, Y. (2013). White cast iron with a nano- eutectic microstructure and high tensile strength and considerable ductility prepared by an aluminothermic reaction casting. Materials Science and Engineering A. 561, 317-320.
• [4] Olejnik, E., Sikora, G., Sobula, S., Tokarski, T. & Grabowska, B. (2014). Effect of compaction Pressure applied to TiC reactants on the Microstructure and Properties of Composite Zones Produced in situ in steel castings. Materials Science Forum. 782, 527-532.
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• [14] Liang, Y,. Zhao, Q., Zhang, Z., Li, X. & Ren, L. (2014). Preparation and characterization of TiC particulate locally reinforced steel matrix composites from Cu- Ti- C system with various C particles . Journal of Asian Ceramic Societies. 2, 281-288.
• [15] Wang, H.Y., Jiang, Q.C., Ma, B.X., Wang, Y. & Zhao, F. (2005). Reactive infiltration synthesis of TiB2-TiC particulates reinforced steel matrix composite. Journal of Alloys and Compounds. 391, 55-59.
• [16] Feng, K., Yang, Y., Shen, B. & Guo, L. (2005). In situ synthesis of TiC/Fe composites by reaction casting. Materials and Design. 26, 37-40.
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Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę.