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Materials 2009, 2(1), 1-9; doi:10.3390/ma2010001

Mechanochemical Effects on the Synthesis of Copper Orthophosphate and cyclo-Tetraphosphate Bulks by the Hydrothermal Hot Pressing Method

1
Department of Informatics and Environmental Sciences, Faculty of Life and Environmental Sciences, Kyoto Prefectural University, 1-5, Shimogamo Nakaragi-cyo, Sakyo-ku, Kyoto 606-8522, Japan
2
Taihei Chemical Industrial Co., Ltd., 1-1 Takayasu, Ikaruga-cyo, Nara 636-0104, Japan
3
Department of Materials Science, Biomaterial Group, Faculty of Engineering, Osaka Prefecture University, Gakuencyo 1-1, Sakai 599-8531, Japan
4
Department of Materials Science and Engineering, Faculty of Engineering, Kyoto University, Yoshida-Honmachi, Sakyo-ku, Kyoto 606-8501, Japan
*
Author to whom correspondence should be addressed.
Received: 24 November 2008 / Revised: 7 January 2009 / Accepted: 8 January 2009 / Published: 9 January 2009
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Abstract

Copper orthophosphate, Cu3(PO4)2, and cyclo-tetraphosphates, Cu2P4O12, were synthesized using phosphoric acid and basic copper carbonate, and then treated with a planetary mill for up to 360 minutes. The un-milled and milled samples were characterized by X-ray diffraction (XRD) and Fourier transform infrared (FT-IR) spectroscopy. SEM images, particle size distribution, specific surface area, UV-Vis reflectance spectra were also used to evaluate the materials. The un-milled and milled materials were used to fabricate copper phosphate bulks by a hydrothermal hot pressing method. The influence of powder condition on the sintering behavior of the copper phosphates was studied.
Keywords: Mechanochemical effects; Copper phosphates; Hydrothermal hot pressing Mechanochemical effects; Copper phosphates; Hydrothermal hot pressing
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Onoda, H.; Okumoto, K.-I.; Nakahira, A.; Tanaka, I. Mechanochemical Effects on the Synthesis of Copper Orthophosphate and cyclo-Tetraphosphate Bulks by the Hydrothermal Hot Pressing Method. Materials 2009, 2, 1-9.

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