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

Kazumichi Yanagisawa, Mamoru Nishioka, Koji Ioku, Nakamichi Yamasaki

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

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 (49MPa). Water contained in the starting powder was essential to the densification by hydrothermal hot-pressing.

Original languageEnglish
Pages (from-to)58-61
Number of pages4
JournalJournal of the Ceramic Society of Japan. International ed.
Volume99
Issue number1
Publication statusPublished - 1991 Jan
Externally publishedYes

Fingerprint

Hot pressing
Sintering
Silica
Densification
Powders
Temperature
Hydrolysis
Water

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Low temperature sintering of spherical silica powder by hydrothermal hot-pressing. / Yanagisawa, Kazumichi; Nishioka, Mamoru; Ioku, Koji; Yamasaki, Nakamichi.

In: Journal of the Ceramic Society of Japan. International ed., Vol. 99, No. 1, 01.1991, p. 58-61.

Research output: Contribution to journalArticle

Yanagisawa, Kazumichi ; Nishioka, Mamoru ; Ioku, Koji ; Yamasaki, Nakamichi. / Low temperature sintering of spherical silica powder by hydrothermal hot-pressing. In: Journal of the Ceramic Society of Japan. International ed. 1991 ; Vol. 99, No. 1. pp. 58-61.
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