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Title: Consolidation of B4C–VB2 eutectic ceramics by spark plasma sintering
Authors: Demirskyi, Dmytro
Sakka, Yoshio
Vasylkiv, Oleg
Keywords: Spark plasma sintering
Boron carbide
Issue Date: 2015
Source: Demirskyi, D., Sakka, Y., & Vasylkiv, O. (2015). Consolidation of B4C–VB2 eutectic ceramics by spark plasma sintering. Journal of the Ceramic Society of Japan, 123(1443), 1051-1054.
Series/Report no.: Journal of the Ceramic Society of Japan
Abstract: The in situ synthesis and consolidation of B4C–VB2 eutectic composites by spark plasma sintering (SPS) is reported. The microstructure properties were determined for composites with the B4C–VB2 eutectic composition as functions of the VB2 content and the VB2–VB2 interlamellar spacing. A change of VB2 concentration from 45 to 48 mol.% resulted in the formation of the rod-like eutectic microstructure. Indentation fracture toughness values higher than 4 MPa·m1/2 were identified for eutectic composites with interlamellar spacings between 0.9 and 1.2 µm. The composites obtained by SPS with a composition of 45 mol.% VB2 exhibited a lower Vickers hardness (23–24 GPa) and higher indentation fracture toughness (up to 4.5 MPa·m1/2) than the eutectic composites with 48 mol.% of VB2.
ISSN: 1882-0743
DOI: 10.2109/jcersj2.123.1051
Rights: © 2015 The Ceramic Society of Japan. This paper was published in Journal of the Ceramic Society of Japan and is made available as an electronic reprint (preprint) with permission of The Ceramic Society of Japan. The published version is available at: []. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
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