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Optical Materials Express

Optical Materials Express

  • Editor: David J. Hagan
  • Vol. 3, Iss. 8 — Aug. 1, 2013
  • pp: 1000–1006

Spontaneous gelcasting of translucent alumina ceramics

Shunzo Shimai, Yan Yang, Shiwei Wang, and Hidehiro Kamiya  »View Author Affiliations

Optical Materials Express, Vol. 3, Issue 8, pp. 1000-1006 (2013)

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Translucent alumina ceramics was fabricated by a novel and simple gelling system using a water-soluble co-polymer of isobutylene and maleic anhydride (Isobam), acting as dispersant and gelling agent. Alumina slurry was prepared by mixing alumina powder, deionized water and 0.5wt% Isobam. Both rheological properties and gelling behaviors of the slurry were evaluated. Without an initiator or any other additives, gelation of the slurry occurred at room temperature in air atmosphere. After dried and presintered, the green body was sintered at 1850°C for 5h in vacuum furnace. In-line transmittance of the resultant alumina ceramics (1mm thick) was 29.5% at 600nm.

© 2013 OSA

OCIS Codes
(160.0160) Materials : Materials
(220.4000) Optical design and fabrication : Microstructure fabrication

ToC Category:

Original Manuscript: March 12, 2013
Revised Manuscript: June 12, 2013
Manuscript Accepted: June 14, 2013
Published: July 2, 2013

Virtual Issues
Optical Ceramics (2013) Optical Materials Express

Shunzo Shimai, Yan Yang, Shiwei Wang, and Hidehiro Kamiya, "Spontaneous gelcasting of translucent alumina ceramics," Opt. Mater. Express 3, 1000-1006 (2013)

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