Enhancing Effect of High Magnetic Vector Field on the Sintering of  Various Ceramics

Atsushi NAKAHIRA; Shinji KONISHI; Hideyuki YASUDA; Itsuo OHNAKA

doi:10.14852/jcersjsuppl.112.0.S845.0

Journal of the Ceramic Society of Japan, Supplement 112-1, PacRim5 Special Issue

Session ID : 11

DOI https://doi.org/10.14852/jcersjsuppl.112.0.S845.0

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Host: The Ceramic Society of Japan

Co-host: Iketani Science and Technology Foundation, International Ceramic Federation, Commemorative Organization for the Japan World Exposition '70, The American Ceramic Society, The Australasian Ceramic Society, The Chinese Ceramic Society, The Korean Ceramic Society, Joint Research Consortium of Synergy Ceramics/Fine Ceramics Research Association, Nanotechnology Researchers Network Center of Japan, The Special Coordination Funds for Promoting Science and Technology, Japan National Tourist Organization, Aichi Prefectural Government, CASIO SCIENCE PROMOTION FOUNDATION, DAIKO FOUNDATION, Nagoya Convention and Visitors Bureau, The Asahi Glass Foundation, The Kao Foundation For Arts And Sciences, The Murata Science Foundation, The Ogasawara Foundation for the Promotion of Science & Engineering, ASAHI GLASS CO., LTD. Research Center, CENTRAL GLASS CO., LTD., ELECTRIC GLASS INDUSTRY ASSOCIATION OF JAPAN (EGAJ), Hattori Company, Ltd., Hitachi Research Laboratory, Hitachi, Ltd., HOYA CORPORATION, INAX Corporation, ITOCHU CERATECH CORP., Japan Cement Association, KYOCERA Corporation, KYUSHU REFRACTORIES CO., LTD., MINO CERAMIC CO., LTD., Murata Manufacturing Co., Ltd., NGK INSULATORS LTD., NGK SPARK PLUG CO., LTD., NICHIAS Corporation, NIKKO COMPANY, Nippon Electric Glass Co., Ltd., Nippon Sheet Glass Co., Ltd., NORITAKE CO., LIMITED, Tokuyama Corporation, TOTO LTD.

Papers

Enhancing Effect of High Magnetic Vector Field on the Sintering of Various Ceramics

Atsushi NAKAHIRA, Shinji KONISHI, Hideyuki YASUDA, Itsuo OHNAKA

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Keywords: Vector ceramics, Hydroxyapatite, Microstructure, Magnets-vector

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Abstract

In the present study, the effect of a high magnetic field, “magneto vector field effects”, on the development of their microstructure of ceramics was mainly investigated. The compactions of hydroxyapatite with an addition of disodium phosphate were in-situ sintered at 1000°C and 1100°C in air atmosphere under a high magnetic field of 10 tesla. Their microstructures of hydroxyapatite sintered bodies were evaluated by X-ray diffraction (XRD) technique and scanning electron microscopy (SEM) observation. It was found that hydroxyapatite with an additive prepared by in-situ sintering with a high magnetic field in an air atmosphere possessed significantly higher relative density than ones sintered under 0 tesla. These results might show the enhancement of densification on in-situ sintering with the effect of magnetic field.

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