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Lukianova OA, Krasilnikov VV, Parkhomenko AA, et al. Microstructure and Phase Composition of Cold Isostatically Pressed and Pressureless Sintered Silicon Nitride. Nanoscale Res Lett. 2016;11(1):148doi: 10.1186/s11671-016-1365-1.
Lukianova, O. A., Krasilnikov, V. V., Parkhomenko, A. A., & Sirota, V. V. (2016). Microstructure and Phase Composition of Cold Isostatically Pressed and Pressureless Sintered Silicon Nitride. Nanoscale research letters, 11(1), 148. https://doi.org/10.1186/s11671-016-1365-1
Lukianova, O A, et al. "Microstructure and Phase Composition of Cold Isostatically Pressed and Pressureless Sintered Silicon Nitride." Nanoscale research letters vol. 11,1 (2016): 148. doi: https://doi.org/10.1186/s11671-016-1365-1
Lukianova OA, Krasilnikov VV, Parkhomenko AA, Sirota VV. Microstructure and Phase Composition of Cold Isostatically Pressed and Pressureless Sintered Silicon Nitride. Nanoscale Res Lett. 2016 Dec;11(1):148. doi: 10.1186/s11671-016-1365-1. Epub 2016 Mar 15. PMID: 26979726; PMCID: PMC4792832.
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Nanoscale Res Lett. 2016 Dec;11(1):148. doi: 10.1186/s11671-016-1365-1. Epub 2016 Mar 15.

Microstructure and Phase Composition of Cold Isostatically Pressed and Pressureless Sintered Silicon Nitride.

Nanoscale research letters

O A Lukianova, V V Krasilnikov, A A Parkhomenko, V V Sirota

Affiliations

  1. Belgorod National Research University, 85, Pobedy Str., 308015, Belgorod, Russia.
  2. Institute of Hydrobiology of the National Academy of Sciences of Ukraine, 2, Geroyev Stalingrada ave., 04210, Kyiv, Ukraine. [email protected].

PMID: 26979726 PMCID: PMC4792832 DOI: 10.1186/s11671-016-1365-1

Abstract

The microstructure and physical properties of new Y2O3 and Al2O3 oxide-doped silicon nitride ceramics fabricated by cold isostatic pressing and free sintering were investigated. The phase composition of produced material was also studied by X-ray diffraction at room and elevated temperature. The fabricated ceramics featured a microstructure of Si5AlON7 grains with a fine-grained α-Si3N4 with a small amount of Y2SiAlON5. Described ceramics is attractive for many high-temperature structural applications due to beneficial combination of fine-grained structure with improved mechanical properties and small weight loss.

Keywords: Grain size; Microstructure; Phase composition; Silicon nitride

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