Local composite reinforcements of TiC/FeMn type obtained in situ in steel castings

• Autorzy: Olejnik E. , Szymanski L. , Tokarski T. , Opitek B. , Kurtyka P.

Identyfikatory

DOI

10.1016/j.acme.2019.05.004

• Języki publikacji: EN

Abstrakty

PL

This dissertation concerns the method of obtaining the in situ local composite reinforce- ments (LCR – Locally Composite Reinforcement) of the TiC–FeMn type in steel castings. The reinforcing phase – titanium carbide (TiC) was obtained by placing the pressed substrates of the synthesis of TiC in the form of compacts into a mold cavity. The basic problem connected with fabricating TiC local composite reinforcements is the phenomenon of fragmentation. In order to reduce this phenomenon, a moderator composed of Hadfield steel at 70 and 90% by weight was introduced to the initial mixture of the TiC substrate powder. As a result, homogenous and dimensionally stable composite reinforcements of the austenite matrix were obtained and examined by analyzing their macrostructure, microstructure, structure, hardness, and wear resistance. An investigation of the phase analysis and microstructure confirmed the presence of the TiC phase in the structure of the composite zones. The hardness of the composite reinforcement ranged from 550 HV to 800 HV30 depending on the proportion between the percentage of the moderator and the content of the pure substrates of the synthesis reaction of the TiC.

Słowa kluczowe

EN

local composite reinforcement; TiC; in situ; wear resistance; SHS

PL

wzmocnienie kompozytowe; odporność na zużycie; węglik tytanu

• Wydawca: Springer ; Wrocław University of Science and Technology
• Czasopismo: Archives of Civil and Mechanical Engineering
• Rocznik: 2019
• Tom: Vol. 19, no. 4
• Strony: 997--1005
• Opis fizyczny: Bibliogr. 22 poz., fot., rys., wykr.

Twórcy

autor

Olejnik E.

• INNERCO Sp. z o.o., 43a Jadwigi Majówny St., 30-298 Krakow, Poland
• AGH University of Science and Technology, Faculty of Foundry Engineering, 23 Reymonta St., 30-059 Krakow, Poland

autor

Szymanski L.

• INNERCO Sp. z o.o., 43a Jadwigi Majówny St., 30-298 Krakow, Poland
• AGH University of Science and Technology, Faculty of Foundry Engineering, 23 Reymonta St., 30-059 Krakow, Poland

autor

Tokarski T.

• AGH University of Science and Technology, Academic Center of Materials and Nanotechnology, 30 Mickiewicza Av., 30-059 Krakow, Poland

autor

Opitek B.

• INNERCO Sp. z o.o., 43a Jadwigi Majówny St., 30-298 Krakow, Poland

autor

Kurtyka P.

• Pedagogical University of Cracow, Faculty of Mathematics, Physics and Technical Science, 2 Podchorazych St., 30- 048 Krakow, Poland

Bibliografia

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• [21] E. Olejnik, L. Szymanski, T. Tokarski, M. Tumidajewicz, TiC-based local composite reinforcement obtained in situ in ductile iron based castings with use of rode preform, Mater. Lett. 7 (2018) 192–195.
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Uwagi

PL

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020)