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Sintering and crystallization behavior in B2O3 contained Li2O-Al2O3-SiO2 glass

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Abstract

This study looks at crystallization and sintering behavior in B2O3 containing Li2O-Al2O3-SiO2 glass powder. The sintered sample was produced with glass powders measuring 44 μm. The relative density and transmittance of the sintered samples showed the highest value at the temperature of 650°C. At temperatures higher than 650°C, crystal growth occurred to decrease the densification of B2O3-Li2O-Al2O3-SiO2 (BLAS) glass powder. The main crystalline phase in the glass powder was â-spodumene. From non-isothermal differential thermal analysis, the crystallization of particles (Φ = 44 μm) was observed at 640°C to 684°C with respect to the heating rate. The activation energy of crystallization (EC) and the Avrami constant (n) calculated by Kissinger and Ozawa equations indicated that the surface and the bulk crystallization occurred simultaneously in the glass. The optimum sintering temperature of this glass powder was 650°C without crystal growth of β-spodumene, although nucleation or nano-crystal growth occurred.

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Authors and Affiliations

  1. Department of Materials Science and Engineering, Pusan National University, San 30, Jangjeon-dong, Geumjeong-gu, 609-735, Busan, Korea

    Sang-Hyeok Im, Dong-Hwan Kim, Young-Hoon La, Nam-Jin Kim, Cha-Won Hwang & Bong Ki Ryu

  2. Department of Electrical and Materials Science, Kyushu University, 6-1, Kasugakouen, 816-8580, Kasuga-shi, Fukuoka, Japan

    Jae-Min Cha

Authors
  1. Sang-Hyeok Im
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  2. Dong-Hwan Kim
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  3. Young-Hoon La
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  4. Nam-Jin Kim
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  5. Cha-Won Hwang
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  6. Jae-Min Cha
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  7. Bong Ki Ryu
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Correspondence to Bong Ki Ryu.

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Im, SH., Kim, DH., La, YH. et al. Sintering and crystallization behavior in B2O3 contained Li2O-Al2O3-SiO2 glass. Electron. Mater. Lett. 6, 71–75 (2010). https://doi.org/10.3365/eml.2010.06.071

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  • DOI: https://doi.org/10.3365/eml.2010.06.071

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