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Journal of Materials Science

, Volume 26, Issue 6, pp 1699–1704 | Cite as

Surface nucleation and cellular growth kinetics of cordierite glass ceramics containing 3 mol % Y2O3-ZrO2

  • Yuan -Jang Sue
  • San -Yuan Chen
  • Hong -Yang Lu
  • Pouyan Shen
Papers

Abstract

Cordierite-based glass ceramics of the 2MgO∶2Al2O3∶5SiO2 composition with t-ZrO2 (3 mol% Y2O3-ZrO2) and P2O5 addition, was heat-treated isothermally and isochronically for crystallization studies. Major crystalline phases incurred by the heat treatment were t-ZrO2 and α-cordierite. Surface nucleation predominated when edge and corner nucleation in these samples were suppressed regardless of their radii of curvature. Crystallization began with the formation of β-quartz S.S. and its transformation to α-cordierite was followed by prolonged heating. Cellular growth of α-cordierite on the surface of the quenched glass plates, gave a linear kinetics. The activation energy for cellular growth was ∼ 410 kJ mol−1.

Keywords

Crystallization Activation Energy P2O5 Cordierite Cellular Growth 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Chapman and Hall Ltd. 1991

Authors and Affiliations

  • Yuan -Jang Sue
    • 1
  • San -Yuan Chen
    • 2
  • Hong -Yang Lu
    • 1
  • Pouyan Shen
    • 1
  1. 1.Institute of Materials Science and EngineeringNational Sun Yat-Sen UniversityKaohsiungTaiwan
  2. 2.Materials Research LaboratoriesIndustrial Technology Research InstituteChutungTaiwan

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