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

被引：2
|
作者：
Yanagisawa, Kazumichi [1 ]
Nishioka, Mamoru [1 ]
Ioku, Koji [1 ]
Yamasaki, Nakamichi [1 ]
机构：
[1] Kochi Univ, Kochi, Japan
来源：
Nippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan | 1991年 / 99卷 / 1145期
关键词：
Ceramic Materials - Hot Pressing - Powders - Sintering - Pressure Effects;
D O I：
10.2109/jcersj.99.59
中图分类号：
学科分类号：
摘要：
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.
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页码：59 / 62
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