Paper Title:

Formation of c-Axis Aligned Hydroxyapatite Sheet by Simultaneous Imposition of High Magnetic Field and Mold Rotation During Slip Casting Process

Periodical Key Engineering Materials (Volumes 309 - 311)
Main Theme Bioceramics 18
Edited by Takashi Nakamura, Kimihiro Yamashita and Masashi Neo
Pages 53-56
DOI 10.4028/www.scientific.net/KEM.309-311.53
Citation Jun Akiyama et al., 2006, Key Engineering Materials, 309-311, 53
Online since May, 2006
Authors Jun Akiyama, Masami Hashimoto, Hiroaki Takadama, Fukue Nagata, Yoshiyuki Yokogawa, Kensuke Sassa, Kazuhiko Iwai, Shigeo Asai
Keywords Crystal Alignment, High Magnetic Field, Hydroxyapatite (HAP), Mold Rotation
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Abstract

A high magnetic field is a useful tool to control the crystal alignment of non-magnetic materials such as ceramics and polymers. In the case of Hydroxyapatite crystal, the a,b-axis is aligned parallel to the direction of an imposed magnetic field. This fact implies that the alignment of the c-axis is not controllable only using a high static magnetic field due to the freedom of the c-axis in a plane perpendicular to a magnetic field direction. In this study, a high static magnetic field and mold rotation was simultaneously so applied during a slip casting process as to align the c-axis of HAp poly crystals.