Forming graded microstructure of Al2O3-Ni composite by centrifugal slip casting

• Autorzy: Zygmuntowicz, J. , Miazga, A. , Konopka, K. , Kaszuwara, W. , Szafran, M.

Warianty tytułu

PL

Formowanie mikrostruktury gradientowej kompozytu z układu Al2O3-Ni metodą odlewania odśrodkowego

• Języki publikacji: EN

Abstrakty

EN

The aim of this study is to examine the possibility of fabricating ceramic-metal composites with a gradient concentration of metal particles from the Al2O3-Ni system. As the method of composite fabrication, centrifugal slip casting (CSC) was chosen. This method is a technique for powder processing, that combines the effects of slip casting and centrifugal casting. In this work one variant of the centrifugal casting method was used. The horizontal rotation axis was applied. Aqueous based slurries (with 50 vol.% content of solid phase) consisting of alumina and nickel powder (10 vol.%) were tested. The macroscopic as well SEM observations confirmed the gradient concentration of nickel particles in the composites.

PL

Celem niniejszej pracy było zbadanie możliwości wytwarzania kompozytów ceramiczno-metalowych z gradientem stężenia cząstek metalu z układu Al2O3-Ni. Jako metodę wytwarzania kompozytów wybrano odlewanie odśrodkowe mas lejnych (CSC). Metoda ta jest techniką przetwarzania proszku, która łączy w sobie metody: odlewania z gęstwy oraz odlewanie odśrodkowe. W pracy zastosowano metodę odlewania odśrodkowego w układzie z poziomą osią obrotu. Wodną zawiesinę o zawartość fazy stałej 50% obj. przygotowano na bazie tlenku glinu i proszku niklu (10% obj.) Makroskopowe oraz mikroskopowe obserwacje potwierdziły uzyskanie materiału z gradientem stężenia cząstek niklu.

Słowa kluczowe

PL

odlewanie odśrodkowe mas lejnych; CSC; funkcjonalne materiały z gradientem; FGM; kompozyty ceramika-metal; Al2O3-Ni

EN

centrifugal slip casting; CSC; functional graded material; FGM; ceramic-metal composites; Al2O3-Ni system

• Czasopismo: Composites Theory and Practice
• Rocznik: 2015
• Tom: R. 15, nr 1
• Strony: 44--47
• Opis fizyczny: Bibliogr. 18 poz., rys.

Twórcy

autor

Zygmuntowicz, J.

• Warsaw University of Technology, Faculty of Materials Science and Engineering, ul. Wołoska 141, 02-507 Warsaw, Poland ,

autor

Miazga, A.

• Warsaw University of Technology, Faculty of Materials Science and Engineering, ul. Wołoska 141, 02-507 Warsaw, Poland

autor

Konopka, K.

• Warsaw University of Technology, Faculty of Materials Science and Engineering, ul. Wołoska 141, 02-507 Warsaw, Poland

autor

Kaszuwara, W.

• Warsaw University of Technology, Faculty of Materials Science and Engineering, ul. Wołoska 141, 02-507 Warsaw, Poland

autor

Szafran, M.

• Warsaw University of Technology, Faculty of Chemistry, ul. Noakowskiego 3, 00-664 Warsaw, Poland

Bibliografia

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