Effect of Boron and Carbon Addition on the Phase Transformations during High-Energy Ball Milling and Subsequent Sintering of Si3N4+B and Si3N4+C Powder Mixtures

Luiz Otávio Vicentin Maruya; Bruna Rage Baldone Lara; Belmira Benedita de Lima; Vanessa Motta Chad; Gilberto Carvalho Coelho; Alfeu Saraiva Ramos

doi:10.4028/www.scientific.net/MSF.869.58

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HomeMaterials Science ForumMaterials Science Forum Vol. 869Effect of Boron and Carbon Addition on the Phase...

Effect of Boron and Carbon Addition on the Phase Transformations during High-Energy Ball Milling and Subsequent Sintering of Si₃N₄+B and Si₃N₄+C Powder Mixtures

Abstract:

This study reports on effect of boron and carbon addition on the phase transformations during ball milling and subsequent sintering of Si₃N₄+B and Si₃N₄+C powder mixtures. Ball milling at room temperature was conducted using stainless steel vials (225 mL) and balls (19mm diameter), 300 rpm and a bal-to-powder weight ratio of 10:1. The as-milled powders were uniaxially compacted in order to obtain cylinder samples with 10 mm diameter, which were subsequently sintered under nitrogen atmosphere at 1500°C for 1h. Characterization of the as-milled powders and sintered samples was performed by X-ray diffraction, scanning electron microscopy, and energy dispersive spectrometry. Only peaks of Si₃N₄ were identified in X-ray diffractograms of as-milled Si₃N₄+B and Si₃N₄+C powders, suggesting that metastable structures were found during milling. After sintering at 1500°C for 1h, the Si₃N₄+BN and Si₃N₄+SiC ceramic composites were formed from the mechanically alloyed Si₃N₄+B and Si₃N₄+C powders.

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Materials Science Forum (Volume 869)

Pages:

58-63

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.869.58

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Online since:

August 2016

Authors:

Luiz Otávio Vicentin Maruya*, Bruna Rage Baldone Lara, Belmira Benedita de Lima, Vanessa Motta Chad, Gilberto Carvalho Coelho, Alfeu Saraiva Ramos

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Composites, High-Energy Ball Milling, Silicon Nitride

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References

[1] H. Kita, K. Hirao, H. Hyuga, M. Hotta, N. Kondo: Chapter 3. 2 - Review and Overview of Silicon Nitride and SiAlON, Including their Applications. Handbook of Advanced Ceramics (Second Edition), 2013, pp.245-266.

DOI: 10.1016/b978-0-12-385469-8.00015-0

Google Scholar

[2] A.E. Pasto: Compr Hard Mater. Vol. 2 (2014), p.73.

Google Scholar

[3] J. Lenz, R.K. Enneti, S.J. Park, S.V. Atre: Ceram Int. Vol. 40 (2014), p.893.

Google Scholar

[4] E.B. Pickens, W.R. Trice: J Mater Sci. Vol. 40 (2005), p.2101.

Google Scholar

[5] C. Santos, K. Strecker, B.G. Simba, M.J. Bondioli: Rev Matéria Vol. 13 (2008), p.171.

Google Scholar

[6] H. Abe, T. Kimitani, M. Naito, K. Nogi, T. Fukui, W-J. Moon, K. Kaneko: Surface modification of nanoparticles by mechanical milling with glow discharge. Novel Materials Processing by Advanced Electromagnetic Energy Sources, 2005, pp.257-260.

DOI: 10.1016/b978-008044504-5/50053-2

Google Scholar

[7] T. Rabe, D. Linke: Ceram Int. Vol. 18 (1992), p.161.

Google Scholar

[8] S.G. Malghan, D.B. Minor, L-S.H. Lum: Powder Technol. Vol. 67 (1991), p.201.

Google Scholar

[9] W. Kraus, G. Nolze: J. Appl. Cryst. Vol. 29 (1996), p.301.

Google Scholar