Low temperature sintering of spherical silica powder by hydrothermal hot-pressing

Kazumichi Yanagisawa, Mamoru Nishioka, Koji Ioku, Nakamichi Yamasaki

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)


Powder of spherical silica particles prepared by hydrolysis of tetraethylorthosilicate was sintered by the hydrothermal hot-pressing method at low temperatures below 350°C. Densification of the powder was accelerated by the increase in reaction temperature and pressure. Formation of necks and deformation of particles were observed in fractured surface of a sintered body produced at high pressure (49 MPa). Water contained in the starting powder was essential to the densification by hydrothermal hot-pressing.

Original languageEnglish
Pages (from-to)59-62
Number of pages4
JournalNippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan
Issue number1145
Publication statusPublished - 1991 Jan 1
Externally publishedYes

ASJC Scopus subject areas

  • Ceramics and Composites
  • General Chemistry
  • Condensed Matter Physics
  • Materials Chemistry


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