SINTERABILITY OF BETA-CALCIUM ORTHOPHOSPHATE POWDER PREPARED BY SPRAY-PYROLYSIS

被引：44

作者：

ITATANI, K

NISHIOKA, T

SEIKE, S

HOWELL, FS

KISHIOKA, A

KINOSHITA, M

机构：

[1] Department of Chemistry, Faculty of Science and Engineering, Sophia University, Tokyo, 102

来源：

JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 1994年 / 77卷 / 03期

关键词：

D O I：

10.1111/j.1151-2916.1994.tb05368.x

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Mixed solutions of Ca(NO3)2 and (NH4)2HPO, with Ca/P = 1.50 were spray-pyrolyzed at 600-degrees-C to produce beta-calcium orthophosphate (beta-Ca3(PO4)2) powder; the spray-pyrolyzed powder was ground and then calcined at 600-degrees-C for 1 h. The best crystalline beta-Ca3(PO4)2 powder was obtained from the solution with 1.80 mol.L-1 Ca(NO3)2, 1.20 mol.L-1 (NH4)2HPO4. The resulting powder was composed of primary particles with sizes of <0.5 mum. Dense beta-Ca3(PO4)2 ceramics with a relative density of 96.1% could be fabricated by firing this compressed powder at 1070-degrees-C for 5 h.

引用

页码：801 / 805

页数：5

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