碳/碳复合材料表面等离子喷涂羟基磷灰石涂层的形貌与相组成
Morphology and Composition of Hydroxyapatite Coating Prepared by Simple Plasma Spraying on Carbon/Carbon Composites
摘 要
采用等离子体喷涂法在碳/碳基体表面制备了羟基磷灰石(HA)涂层,以提高其表面的生物活性.采用扫描电子显微镜、电子探针、X射线衍射仪等研究了碳/碳复合材料表面不同深度HA涂层的形貌、相组成、界面结合状况.结果表明:越靠近基体,涂层中α-TCP(α-磷酸三钙)的含量越高,HA的分解量越大;距离表面不同深度的HA涂层中,涂层形貌变化不大;在涂层与基体的界面处,碳、氧、磷、钙四种元素基本没发生互扩散,二者主要为机械结合.
羟基磷灰石
涂层
形貌
相组成
carbon/carbon composite
hydroxyapatite
coating
morphology
composition
Abstract
A simple plasma spraying method was used to coat hydroxyapaptite (HA) on carbon/carbon composites(C/C composites) to endow their surface with bioactivity.The morphology,composition and interface of the HA coatings with different depths to the surface were systemically studied by using scanning electron microscopy,electron probe microanalyser and X-ray diffraction.Results indicate that the shorter the distance to the C/C substrates is,the higher the content of α-TCP and the decomposition degree of HA are.The morphology of the HA coatings with different depths to the surface are changed little.There is no obvious composition segregation of C,O,P and Ca in the interface of HA coating-C/C substrates.
中图分类号 TG174.45
所属栏目
基金项目 国家教育部博士点专项科研基金资助项目(20060422040);山东省科技发展计划资助项目(2006GG2202009);北京市属市管高等学校人才强教计划资助项目(IHLB)
收稿日期 2007/12/5
修改稿日期 2008/3/5
网络出版日期
作者单位点击查看
备注吴波(1963-),男,河北滦县人,副教授,学士.
引用该论文: WU Bo,SUI Jin-ling,ZHOU Hai,CAO Ning,LI Mu-sen. Morphology and Composition of Hydroxyapatite Coating Prepared by Simple Plasma Spraying on Carbon/Carbon Composites[J]. Materials for mechancial engineering, 2008, 32(5): 55～57
吴波,隋金玲,周海,曹宁,李木森. 碳/碳复合材料表面等离子喷涂羟基磷灰石涂层的形貌与相组成[J]. 机械工程材料, 2008, 32(5): 55～57
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参考文献
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【2】LI S H,ZHENG Z G,LIU Q,et al.Collagen/apatite coating on 3-dimensional carbon/carbon composite[J].J Biomed Mater Res,1998,40:520-529.
【3】隋金玲,李木森,吕宇鹏,等.送粉方式对碳/碳基体上等离子喷涂羟基磷灰石涂层的影响[J].机械工程材料,2005,29(7):35-37.
【4】隋金玲,李木森,吕宇鹏,等.碳/碳复合材料表面羟基磷灰石涂层的研究[J].生物医学工程学杂志,2005,22(2):247-249.
【5】付涛,憨勇,宋忠孝,等.碳/碳复合材料表面诱导沉积生理磷灰石涂层[J].无机材料学报,2002,17(1):189-192.
【6】彭先高,高林,马 玲,等.羟基磷灰石表面改性炭/炭复合材料牙种植体的研制[J].新型炭材料,2000,15(2):71-73.
【7】郑岳华,高苏文,米乃元,等.CFRC/HAP生物活性复合材料及其生体适应性[J].华南理工大学学报,1997,25(5):127-131.
【8】SUI J L,LI M S,LU Y P.The Bond Strength and Fracture Behaviors of Hydroxyapatite Coatings on Carbon/carbon Composites[J].Key Engineering Materials,2005,297/300:233-236.
【9】LIN H,XU H C,GROOT K.Tensile strength of the interface between hydroxyapatite and bone[J].J Biomed Mater Res,1992,26(5):7-18.
【10】SUI J L,LI M S,LU Y P.The effect of plasma spraying power on the structure and mechanical properties of hydroxyapatite deposited onto carbon/carbon composites[J].Surface & Coatings Technology,2005,190:287-292.
【11】Tsui Y C,Doyle C,Clyne T W.Plasma sprayed hydroxyapatite coatings on titanium substrates,Part 2:optimization of coating properties[J].Biomaterials,1998,19(8):2015-2029.
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