Hostname: page-component-586b7cd67f-dsjbd Total loading time: 0 Render date: 2024-11-20T09:18:28.474Z Has data issue: false hasContentIssue false
  • English
  • Français

Effect of the additive content on the sintering of pre-sintered Si3N4 composite.

Published online by Cambridge University Press:  26 November 2020

Angel Leon-Geronimo ,
Quetzalmaflor Miranda-Hernandez ,
Ignacio Figueroa-Vargas  and
José Lemus-Ruiz
Angel Leon-Geronimo
Affiliation:
Instituto de Investigación en Metalurgia y Materiales, Universidad Michoacana de San Nicolás de Hidalgo, Morelia, Mich., 58060, México.
Quetzalmaflor Miranda-Hernandez
Affiliation:
Instituto de Investigación en Metalurgia y Materiales, Universidad Michoacana de San Nicolás de Hidalgo, Morelia, Mich., 58060, México.
Ignacio Figueroa-Vargas
Affiliation:
Instituto de Investigaciones en Materiales, Universidad Autónoma de México, CDMX, 04510, México.
José Lemus-Ruiz*
Affiliation:
Instituto de Investigación en Metalurgia y Materiales, Universidad Michoacana de San Nicolás de Hidalgo, Morelia, Mich., 58060, México.
*
[email protected]
Get access

Abstract

Sintering of Si3N4 compounds requires additives that promote densification through the dissolution-precipitation mechanism in liquid phase sintering. The sintering of the Si3N4 with the SiO2-Y2O3-Al2O3 system has been extensively studied. Nevertheless, because SiO2 depends on the natural amount on the Si3N4 surface, little has been studied about SiO2 control. A pre-sintering treatment can increase the content of SiO2 through controlled oxidation of Si3N4. In this work the effect of the additive content on the densification of Si3N4 composite ceramics was evaluated. For this purpose, powder mixtures of Si3N4, Y2O3 and Al2O3 were prepared. The Y2O3 and Al2O3 ratio were modified in percentages of 4, 8 and 12% by weight. The mixtures were compacted and pre-sintered at 1300°C for 1 hour. Then, these were sintered at 1450°C for two hours. The samples were characterized by scanning electron microscopy (SEM) and X-ray diffraction (XRD). Results showed that during pre-sintering, the Y5(SiO4)3N phase is formed; then, it's subsequently oxidized at the sintering stage. A second phase identified as Y3Al5O12 was found in samples with higher proportions of Al2O3. Composition and quantity of the observed phases depend of Y2O3 and Al2O3 proportion in the added additive.

Type
Articles
Information
MRS Advances , Volume 5 , Issue 59-60: International Materials Research Congress XXIX , 2020 , pp. 3103 - 3111
Check for updates
Copyright
Copyright © The Author(s), 2020, published on behalf of Materials Research Society by Cambridge University Press

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Huang, J.L, et al. , Effects of two-step sintering on the Microstructure of Si3N4, Ceram Int, 22 131-136 (1996).CrossRefGoogle Scholar
Chen, W., Zhenglin, Lv, Gao, D., Ai, X., Study on preparation and physical mechanical properties of Si3N4 composite ceramics, MATEC Web of Conferences 22, 05019 (2015).CrossRefGoogle Scholar
Andrievskii, R. A., Silicon nitride: synthesis and properties, Russ chem rev+ 64 (4) 291-308 (1995).CrossRefGoogle Scholar
Cárdenas, L. C., Effect of quantity of additive during sintering.sps, joining and oxidation of silicon nitride, Phd. thesis, Instituto de investigaciones metalúrgicas, UMSNH, Morelia (2013).Google Scholar
Xue, J.L., et al. , Influence of planetary High-Energy Ball Milling on microstructure and mechanical Properties of silicon nitride ceramics, J. Am. Ceram. Soc., 88[5]1323-1326 (2005).Google Scholar
Almeida, J.C., et al. , Presureless Sintering of silicon nitride with additives of the Y2O3, Al2O3, SiO2 system, Mat Sci eng, A109 395-400 (1989).CrossRefGoogle Scholar
Xu, W., et al. , Effects of sintering additives on mechanical properties and microestructure of Si3N4, ceramics by microwave sintering J. Mate. Sci. Eng. A., 684:127-134 (2017).CrossRefGoogle Scholar
McEntire, B.J., et al. , processing and characterization of silicon nitride bioceramics. Bioceram Dev Appl 6:1 (2016).CrossRefGoogle Scholar
Ziegler, A. and Mc Naney, M., On the effect of local grain boundary chemistry on the macroscopic mechanical properties of a high-purity Y2O3-Al2O3-containing silicon nitride ceramic: role of oxygen, J. Am. Ceram. Soc., 88 [7] 1900-1908 (2005).CrossRefGoogle Scholar
Wada, S., Control of instability of Si3N4 during Pressureless sintering, J Ceram Soc Jpn, 109 [10] 803-808 (2001).CrossRefGoogle Scholar
Honma, T., Ukyo, Y., Sintering process of Si3N4 with Y2O3 and Al2O3 as sintering additives, Journal of Material Sciences letter 18, 735-737 (1999)CrossRefGoogle Scholar
Yang, J. F, Ohji, T., Influence of yttria-Alumina content on sintering behavior and microstructure of silicon nitride ceramics, J. Am. Ceram. Soc. 83 [8] 2094-96 (2000).CrossRefGoogle Scholar
Wills, R. R., et al. , Stability of the silicon yttrium oxynitrides, Jam ceram soc-Discission and notes, Vol. 59, No. 5-6, P. 269 (1976).CrossRefGoogle Scholar
Vuckovic, B. Matovic, Boskovic, S., Influence of additive type on densification and phase transformation of seeded Si3N4, Materials Science Forum, ISSN: 1662-9752, Vol. 494, pp 429-434 (2005)CrossRefGoogle Scholar
Bertaut, E.F., Mareschal, J., Hebd, C.R., Seances Acad. Ci., 44, P. 867 (1963).Google Scholar
Lumby, R.J., Butler, E., Lewis, M.H., Lucas Syalons: composition, structure, properties and uses; in “Progress in Nitrogen Ceramics”, Proceeding of the NATO Advanced Study Institute on Nitrogen Ceramics, ISBN-13:978-94-009-6853-0, UK, (1981).Google Scholar
Wada, S., Control of instability of Si3N4 during Pressureless sintering, J Ceram Soc Jpn, 109 [10] 803-808 (2001).CrossRefGoogle Scholar
Kingery, W.D, Densificación during sintering in the presence of a liquid phase. I. Theory, J. Appl. Phys. 30, 301, (1959).CrossRefGoogle Scholar
Svoboda, J., Riedel, H., Gaebel, R., A model for ñiquid phase sintering, Acta Mater. Vol 44, No. 8, pp.3215-3226, (1996).CrossRefGoogle Scholar
Mao, H., Selleby, M., Sundman, B., Phase equilibria and thermodynamics in the Al2O3-SiO2 System- Modeling of mullite and liquid, J, Am. Ceram. Soc., 88, [9] 2544-2551 (2005).CrossRefGoogle Scholar
Jack, K. H., Nitrogen ceramics, Trans. J. Brit. Ceram. Soc., 72, [8] 376-84 (1973).Google Scholar