固相反応を利用した第二リン酸カルシウムによるピロリン酸カルシウムと水酸アパタイトの射出成形

概要

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The molding of calcium phosphate compound was tried using injection molding of ceramics powder. The composition changes and the physical properties of the sintered product in calcium phosphate compounds were discussed. Rod like test-piece(φ6×501)was produced by the injection molding with two compounds : (A) calcium secondary phosphate and several organic binders ; (B) calcium secondary phosphate, calcium carbonate and several organic bainders.After the binder extraction process, the test-pieces of Wand(B) were heated up to 1000°C-1300°C at the rate of 100°C of a hour. As the results of sintered process, it was found onthe basis of x-ray diffraction that (A) consists of calcium pyrophosphoric acidand calcium tertiary phosphate, whereas it was found on the basis of it that (B) consists of hydroxylapatite and calcium oxide.
社団法人粉体粉末冶金協会の論文