| Physico-chemical properties and microstructure of hydroxyapatite-316L stainless steel biomaterials |
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| 作者姓名： | 邹俭鹏 阮建明 黄伯云 刘建本 周小霞 |
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| 作者单位： | [1]StateKeyLaboratoryforPowderMetallurgy,CentralSouthUniversity,Changsha410083,China [2]DepartmentofChemistry,JishouUniversity,Jishou416000,China） |
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| 摘 要： | Sintering shrinkage, compressive strength, bending strength, metallurgical morphology, microstructure and chemical composition diffusion of hydroxyapatite-316L stainless steel(HA-316L SS) composites were investiga-ted. The results show that the sintering shrinkage of HA-316L SS composites decreases from 27.38O/6o to 8.87% for cylinder sample or from 27.18% to 8.62% for cuboid sample with decreasing the volume ratio of HA to 316L SS,which leads to higher sintering activity of HA compared with that of 316L SS. The compressive strength of HA-316L SS composites changes just like parabolic curve (245.3→126.3→202.8 MPa) with reducing the volume ratio of HA to 316L SS. Bending strength increases from 86.3MPa to 124. 2 MPa with increasing the content of 316L SS. Furthermore, comprehensive mechanical properties of 1.0：3.0 (volume ratio of HA to 316L SS) composite are optimal with compressive strength and bending strength equal to 202. 8 MPa and 124. 2 MPa, respectively. The microstructure and metallurgical structure vary regularly with the volume ratio of HA to 316L SS. Some chemical reaction takes place at the interface of the composites during sintering.
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| 关 键 词： | 烧结 不锈钢 生物材料 化学材料 |
| 收稿时间： | 23 May 2003 |
| 修稿时间： | 28 August 2003 |
Physico-chemical properties and microstructure of hydroxyapatite-316L stainless steel biomaterials |
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| Zou Jian-peng , Ruan Jian-ming , Huang Bai-yun , Liu Jian-ben and Zhou Xiao-xia.Physico-chemical properties and microstructure of hydroxyapatite-316L stainless steel biomaterials[J].Journal of Central South University of Technology,2004,11(2):113-118. |
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| Authors: | Zou Jian-peng Ruan Jian-ming Huang Bai-yun Liu Jian-ben and Zhou Xiao-xia |
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| Affiliation: | (1) State Key Laboratory for Powder Metallurgy, Central South University, 410083 Changsha, China;(2) Department of Chemistry, Jishou University, 416000 Jishou, China |
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| Abstract: | Sintering shrinkage, compressive strength, bending strength, metallurgical morphology, microstructure and chemical composition diffusion of hydroxyapatite-316L stainless steel(HA-316L SS) composites were investigated. The results show that the sintering shrinkage of HA-316L SS composites decreases from 27.38% to 8.87% for cylinder sample or from 27.18% to 8.62% for cuboid sample with decreasing the volume ratio of HA to 316L SS, which leads to higher sintering activity of HA compared with that of 316L SS. The compressive strength of HA-316L SS composites changes just like parabolic curve (245.3→126.3→202.8 MPa) with reducing the volume ratio of HA to 316L SS. Bending strength increases from 86.3MPa to 124. 2 MPa with increasing the content of 316L SS. Furthermore, comprehensive mechanical properties of 1.0∶3.0 (volume ratio of HA to 316L SS) composite are optimal with compressive strength and bending strength equal to 202.8 MPa and 124.2 MPa, respectively. The microstructure and metallurgical structure vary regularly with the volume ratio of HA to 316L SS. Some chemical reaction takes place at the interface of the composites during sintering. |
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| Keywords: | hydroxyapatite-316L stainless steel biomaterial sintering activity mechanical property microstructure SEM EDXA |
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