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Observation of Diffusive Flows during Liquid Phase Microwave Sintering

Takashi WATANABE, Motoyasu SATO¹⁾, Sadatsugu TAKAYAMA¹⁾ and Akihiro MATSUBARA²⁾

Toki Municipal Institute of Ceramics, 287-3 Hida, Toki, Gifu 509-5403, Japan

1)

National Institute for Fusion Science, 322-6 Oroshi-cho, Toki 509-5292, Japan

2)

Faculty of Engineering, Chubu University, Kasugai, Aichi 487-8501, Japan

(Received 20 January 2008 / Accepted 14 January 2009 / Published 16 March 2009)

Abstract

Experiments at the microscopic scale show the shrinking and melting processes of porcelain by microwave and infrared heating. Microscopic in-situ observations reveal that the porcelain is sintered rapidly and volumetrically by microwaves. This experiment clarifies the differences between microwave and conventional heating.

Copyright (c) 2009 The Japan Society of Plasma Science and Nuclear Fusion Research

Keywords

microwave sintering, in-situ microscopic observation, glass phase, porcelain

DOI: 10.1585/pfr.4.009

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References

• [1] M. Sato et al., Ceramic Transaction 111, 277 (2001).
• [2] K. Hamano, Fine Ceramics Hand Book (Asakurasyobou, 1984) p.303 [in Japanese].
• [3] H. Takashima, Practical Chemistry of Ceramics (Utida Rokakuho Publishing Co., Ltd, 1996) p.41 [in Japanese].
• [4] Ceramic Society of Japan, Ceramics Chemistry (Ceramic Society of Japan, 1974) p.96 [in Japanese].
• [5] E.B. Shand, Glass Engineering Handbook (McGraw-Hill Book Company, 1958) p.14.

This paper may be cited as follows:

Takashi WATANABE, Motoyasu SATO, Sadatsugu TAKAYAMA and Akihiro MATSUBARA, Plasma Fusion Res. 4, 009 (2009).