Quantitative Description of the Spinel Phase (NiAl2O4) Located into Al2O3 Matrix

• Autorzy: Zygmuntowicz J. , Miazga A. , Konopka K.

Identyfikatory

DOI

10.1515/amm-2016-0162

• Języki publikacji: EN

Abstrakty

EN

The presented work focuses on the quantitative description of the spinel phase (NiAl2O4) located into Al₂O₃ matrix. Three series of samples were prepared. Series I, II and III containing following amount of nickel powder: 0.21% vol, 0.43% vol and 1.3% vol respectively. In order to obtain nickel aluminate spinel sintering was carried out in an oxidizing atmosphere (air). Based on the SEM observation and XRD analysis the presence of spinel phase was confirmed in all samples. Difference in volume fraction of the Ni in the compacts before sintering, resulted in the different content of the spinel phase in the final material. All tested composites were characterized by homogeneous distribution of NiAl₂O₄ in the whole volume of the material. The purpose of the study was also the use the stereological analysis to determine the shape parameters of new phase.

Słowa kluczowe

EN

nickel aluminate spinel NiAl2O4; SEM; stereological analysis

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2016
• Tom: Vol. 61, iss. 2B
• Strony: 953--956
• Opis fizyczny: Bibliogr. 13 poz., rys., tab., wykr.

Twórcy

autor

Zygmuntowicz J.

• Faculty of Materials Science and Engineering, Warsaw University of Technology, Warsaw, Poland

autor

Miazga A.

• Faculty of Materials Science and Engineering, Warsaw University of Technology, Warsaw, Poland

autor

Konopka K.

• Faculty of Materials Science and Engineering, Warsaw University of Technology, Warsaw, Poland

Bibliografia

• [1] K. Konopka, M. Maj, K. J. Kurzydłowski, Materials Characterization 51, 335-340 (2003).
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• [7] K. Konopka, A. Miazga, J. Właszczuk, Composites Theory and Practice, 11, 197-201 (2011).
• [8] J. Zygmuntowicz, A. Miazga, K. Konopka, Composites Theory and Practice 14, 106-110 (2014).
• [9] K. J. Kurzydłowski, B. Ralph, CRC Press, in: Quantitive description of micro-structure of materials, Baton Rogue, USA (1995).
• [10] J. Michalski, T. Wejrzanowski, R. Pielaszek, K. Konopka, W. Łojkowski, K. J. Kurzydłowski, Materials Science Poland, 23, 79-86 (2005).
• [11] K. Konopka, L. Lityńska-Dobrzyńska, J. Dutkiewicz, Arch. Metall. Maters. 58, 501-504 (2013).
• [12] M. Lieberthal, W. D. Kaplan, Materials Science and Engineering 302, 83-91 (2001).
• [13] W. H. Tuan, M. C. Lin, W. H. Tzing, Materials Chemistry and Physics 48, 156-159 (1997).

Uwagi

EN

The research has been financially supported by the Faculty of Materials Science and Engineering Warsaw University of Technology. The authors would like to thank Professor Mikolaj Szafran and his team for their help in sintering the samples.

PL

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