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Dive into the research topics where Hiromichi Iwasaki is active.

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Featured researches published by Hiromichi Iwasaki.


Nippon Kagaku Kaishi | 1989

Synthesis of hydroxyapatite powder from rice bran as starting materials. III. Firing process of calcium phytate and synthesis of hydroxyapatite.

Fumiaki Yamada; Yasunari Kaneko; Hiromichi Iwasaki

米ぬか中には,リンの化合物としてフィチンが豊富に存在している。このフィチンをリン源として有効に利用する目的からヒドロキシアペタイトの合成を試みた。米ぬかから得られたフィチン酸カルシウムの沈殿を炉過,洗浄,乾燥した後,1000℃で3時間焼成することによってヒドロキシアパタイトの粉体を得ることカミできた。沈殿したフィチン酸カルシウムには粉末X線回折から焼成前の粒子には添加したもののうち溶けずに残ったCaCO3が含まれていたととカミわかったo以上の最適条件で合成したヒドロキシアパタイトは球状をしており,Ca1Pモル比が1.67と理論組成のヒドロキシアパタイトのモル比に一致し,IRスペクトルからも炭酸アパタイトを含まず安定と考えられる。またこの粒子の密度は3.12g・cm-3で緻密なヒドロキシアパタイトの粉体が得られた。


Journal of The Japan Society of Powder and Powder Metallurgy | 1988

Injection Molding of Ti Powder

Yasunari Kaneko; Kei Ameyama; Katsuyoshi Saito; Hiromichi Iwasaki; Masaharu Tokizane


Journal of The Society of Materials Science, Japan | 1988

Preparation of fibrous hydroxyapatite by use of sodium alginate.

Hiromichi Iwasaki; Yasunari Kaneko


Journal of The Society of Materials Science, Japan | 1988

Formation of silicon nitride whiskers from rice hulls.

Yasunari Kaneko; Kei Ameyama; Hiromichi Iwasaki


Journal of The Society of Materials Science, Japan | 1990

Application of metal injection molding to titanium and titanium hydride powders.

Kei Ameyama; Yasunari Kaneko; Hiromichi Iwasaki; Masaharu Tokizane


Journal of The Ceramic Society of Japan | 1990

Synthesis of Titanium Nitride Powder by Spark Discharge Process in Liquid Nitrogen

Mitsuharu Tabuchi; Yasunari Kaneko; Hiromichi Iwasaki


Journal of The Society of Materials Science, Japan | 1991

Synthesis of metal nitride powder by spark discharge process in liquid mitrogen. Application to Ti, Al, W.

Mitsuharu Tabuchi; Yasunari Kaneko; Hiromichi Iwasaki


Journal of The Japan Society of Powder and Powder Metallurgy | 1990

Application of Injection Molding Process to Cu Powder

Hidetaka Uraoka; Yasunari Kaneko; Hiromichi Iwasaki; Yoshimitsu Kankawa; Katsuyoshi Saitoh


Journal of The Japan Society of Powder and Powder Metallurgy | 1990

Injection Molding of Calcium pyrophosphoric Acid and Hydroxylapatite with Calcium Secondary Phosphate Utilizing Solid Phase Reaction Method

Yoshimitsu Kankawa; Katsuyoshi Saitou; Yasunari Kaneko; Hiromichi Iwasaki


Journal of The Japan Society of Powder and Powder Metallurgy | 1989

Injection Molding of Metallic Powder

Norio Kasahara; Yoshitaka Ohyama; Yasunari Kaneko; Hiromichi Iwasaki; Yoshimitu Kankawa; Katuyoshi Saitoh

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Kei Ameyama

Ritsumeikan University

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