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[1]黄志良,罗晶,陈常连,等.压力对均相共沉淀法制备羟基磷灰石晶体形貌的影响[J].武汉工程大学学报,2014,(11):43-47.[doi:103969/jissn167428692014011008]
　HUANG Zhi liang,LUO Jing,CHEN Chang lian,et al.Effect of pressure on morphology of hydroxyapatite prepared by homogeneous coprecipitation method[J].Journal of Wuhan Institute of Technology,2014,(11):43-47.[doi:103969/jissn167428692014011008]
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压力对均相共沉淀法制备羟基磷灰石晶体形貌的影响(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
期数:
2014年11期
页码:
43-47
栏目:
材料科学与工程
出版日期:
2014-11-30

文章信息/Info

Title:
Effect of pressure on morphology of hydroxyapatite prepared by homogeneous coprecipitation method
文章编号:
16742869(2014)011004305
作者:
黄志良; 罗晶; 陈常连; 夏浩孚; 孟鹏; 夏俊杰; 罗马亚; 李波
武汉工程大学材料科学与工程学院，湖北 武汉430074
Author(s):
HUANG Zhiliang; LUO Jing; CHEN Changlian; XIA Haofu; MENG Peng; XIA Junjie; LUO Maya; LI Bo
School of Material and Engineering，Wuhan Institute of Technology，Wuhan 430074，China
关键词:
羟基磷灰石; 均相沉淀法; 压力; 物相; 形貌; 生长方向
Keywords:
hydroxyapatite;  homogeneous coprecipitation method;  pressure;  phase;  morphology;  growth orientation
分类号:
TB321
DOI:
103969/jissn167428692014011008
文献标志码:
A
摘要:
以硝酸钙、磷酸氢二铵混合水溶液为原料、以尿素为缓冲剂，采用均相共沉淀法制备羟基磷灰石晶体，并通过X射线衍射、扫描式电子显微镜、透射电子显微镜等3种分析方法对样品分别进行了物相组成、晶体形貌、晶体取向的表征，研究了不同压力对羟基磷灰石晶体形貌的影响.结果表明：当反应压力从0.11 MPa增加至1.1 MPa时，所得羟基磷灰石晶体的物相组成由含有羟基磷灰石和磷酸八钙两种物相向只含有羟基磷灰石一种物相过渡；所得羟基磷灰石晶体的形貌从针状晶须（经由长板状和六方柱状）向薄片状晶体进行过渡；所得羟基磷灰石晶体的生长取向由沿一个方向（c轴）生长向沿另外两个方向（a轴和b轴）生长转变.
Abstract:
Hydroxyapatite crystal was prepared by homogeneous coprecipitation method using a mixture of Calcium nitrate and diammonium phosphate as raw materials and carbamide as buffering agent. To analyze the influence of pressure on hydroxyapatite crystal morphology, the phase composition, crystal morphology and growth orientation were characterized by Xray diffraction, scanning electron microscope and transmission electron microscope respectively. The results show that when the reaction pressure increases from 0.11 MPa to 1.1 MPa, the phase composition of the hydroxyapatite crystals transforms from the two phases of hydroxyapatite and eight calcium phosphate to hydroxyapatite single crystal; the morphology of the hydroxyapatite crystals transforms from acicular crystal whisker (via long plate shape and hexagonal prism shape) to lamelliform crystal; the growth orientation of the hydroxyapatite crystals changes from growing along one dimension (c axis) to growing along the others two dimensions (a axis and b axis).

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：20140619基金项目：国家自然科学基金项目（51374155）；湖北省科技支撑计划项目（2014BCB034）；湖北省自然科学基金项目（2014CFB796）作者简介：黄志良（1964），男，安徽望江人，教授，博士.研究方向：无机非金属材料的功能与应用.
更新日期/Last Update: 2014-12-09