| 等离子体熔融钛与羟基磷灰石混合粉颗粒的形态和相组成 |
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| 引用本文： | 吕宇鹏,李士同,梁栋科,朱瑞富,李木森,雷廷权.等离子体熔融钛与羟基磷灰石混合粉颗粒的形态和相组成[J].金属学报,2002,38(12):1292-1294. |
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| 作者姓名： | 吕宇鹏 李士同 梁栋科 朱瑞富 李木森 雷廷权 |
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| 作者单位： | 1. 山东大学材料科学与工程学院,济南,250061
2. 哈尔滨工业大学材料科学与工程学院,哈尔滨,150001 |
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| 基金项目： | 山东省优秀中青年科学家科研奖励基金资助项目9810 |
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| 摘 要： | 利用等离子喷涂设备将Ti与羟基磷灰石（HA）的混合粉末喷射入水，采用扫描电子显微镜和X射线衍射仪研究了Ti HA入水颗粒的形态和相组成，结果表明，经等离子熔融喷射入水后，钛粒子的尺寸小于HA粒子，主要原因之一是HA内形成了空心结构，空心结构的形成是由于HA在熔融时生成气相P2O5和H2O，它们在颗粒内聚集形成气泡，入水Ti HA粒子主要是由晶相和非晶相HA，分角相磷酸三钙（TCP）和磷酸四钙（TTCP）以及Ti的化合物所组成，由于与Ti的混合，HA的分解加剧，而Ti与HA粒子的融合及元素的扩散在飞行过程中已经发生。
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| 关 键 词： | 等离子喷涂 钛 羟基磷灰石 空心结构 相组成 |
| 文章编号： | 0412-1961(2002)12-1292-03 |
| 修稿时间： | 2002年1月27日 |
MORPHOLOGY AND PHASE COMPOSITION OF PLASMA MELTED TITANIUM+HYDROXYAPATITE MIXED POWDER |
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| LU Yupeng,LI Shitong,LIANG Dongke,ZHU Ruifu,LI MusenSchool of Materials Science and Engineering,Shandong University,Jinan LEI TingquanSchool of Materials Science and Engineering,Harbin Institute of Technology,Harbin.MORPHOLOGY AND PHASE COMPOSITION OF PLASMA MELTED TITANIUM+HYDROXYAPATITE MIXED POWDER[J].Acta Metallurgica Sinica,2002,38(12):1292-1294. |
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| Authors: | LU Yupeng LI Shitong LIANG Dongke ZHU Ruifu LI MusenSchool of Materials Science and Engineering Shandong University Jinan LEI TingquanSchool of Materials Science and Engineering Harbin Institute of Technology Harbin |
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| Affiliation: | LU Yupeng,LI Shitong,LIANG Dongke,ZHU Ruifu,LI MusenSchool of Materials Science and Engineering,Shandong University,Jinan 250061LEI TingquanSchool of Materials Science and Engineering,Harbin Institute of Technology,Harbin 150001 |
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| Abstract: | The mixed titanium hydroxyapatite (HA) powder was sprayed into water using a plasma spray equipment. Morphology and phase composition of the molten particles were investigated by means of scanning electron microscope (SEM) and X-Ray diffractometer (XRD). The results show that the size of molten titanium particles is smaller than that of HA particles, which is mainly caused by the formation of hollow structure due to aggregation of gaseous P2O5 and H2O within molten HA particles. The mixed powder plasma sprayed into water is mainly composed of crystalline and amorphous HA, decomposed phases-tricalcium posphate (TCP) and tetracalcium phosphate (TTCP) as well as compounds of titanium. The mergence of titanium and HA, and diffusion of elements, leading to titanium catalyzing HA decomposition, have happened during flight of particles. |
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| Keywords: | plasma spray titanium hydroxyapatite (HA) hollow structure phase composition |
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