研究纯钛表面羟基磷灰石(HA)涂层的相组成及其微观结构,为涂层性能与制备工艺优化提供依据.采用等离子喷涂法制备HA涂层,用X射线衍射仪和透射电子显微镜进行相细成与微观结构的表征.研究表明:涂层主要由晶相HA、非晶相和分解相组成,随喷涂功率的提高,非晶化加剧,CaO含量提高;在TEM下观察到HA晶体与非晶体共存区、HA与磷酸三钙徽晶的共存区,以及HA与Ti的反应产物CaTi03;除工艺原因外,羟基磷灰石复杂的结构和混合键的结合也是其形成非晶态的主要原因.
参考文献
| [1] | YANG C Y;WANG B C;CHANG E;WU J D.The influences of plasma spraying parameters on the characteristics of hydroxyapatite coatings:a quantitative study[J].Journal of Materials Science:Materials in Medicine,1995(06):249-257. |
| [2] | Gross KA;Berndt CC .Thermal processing of hydroxyapatite for coating production.[J].Journal of biomedical materials research, Part B. Applied biomaterials,1998(4):580-587. |
| [3] | Kweh SW;Khor KA;Cheang P .High temperature in-situ XRD of plasma sprayed HA coatings.[J].Biomaterials,2002(2):381-387. |
| [4] | Liao CJ;Lin FH;Chen KS;Sun JS .Thermal decomposition and reconstitution of hydroxyapatite in air atmosphere.[J].Biomaterials,1999(19):1807-1813. |
| [5] | Tsui YC;Doyle C;Clyne TW .Plasma sprayed hydroxyapatite coatings on titanium substrates. Part 1: Mechanical properties and residual stress levels.[J].Biomaterials,1998(22):2015-2029. |
| [6] | Tsui YC;Doyle C;Clyne TW .Plasma sprayed hydroxyapatite coatings on titanium substrates. Part 2: optimisation of coating properties.[J].Biomaterials,1998(22):2031-2043. |
| [7] | DING S J;Ju C P;LIN J H C.Morphology and immersion behavior of plasma-sprayed hydroxyapatite/bioactive glass coatings[J].Journal of Materials Science:Materials in Medicine,2000(11):183-190. |
| [8] | Chou L;Marek B;Wagner WR .Effects of hydroxylapatite coating crystallinity on biosolubility, cell attachment efficiency and proliferation in vitro.[J].Biomaterials,1999(10):977-985. |
| [9] | 常程康;石建民;胡仲寅 等.喷涂功率对真空等离子喷涂羟基磷灰石涂层的影响[J].无机材料学报,1998,13(02):219-224. |
| [10] | WENG J;LIU X;ZHANG X et al.Integrity and thermal decomposition of apatite in coatings influenced by underlying titanium during plasma spraying and postheat-treatment[J].Journal of Biomedical Materials Research,1996,30(01):5-11. |
| [11] | ZYMAN Z;WENG J;LIU X et al.Phase and structural changes in hydroxyapatite coatings under heat treatment[J].Biomaterials,1994,15(02):151-155. |
| [12] | WANG B C;LEE T M;CHANG E et al.The shear strength and the failure mode of plasma-sprayed hydroxyapatite coating to bone:the effect of coating thickness[J].Journal of Biomedical Materials Research,1993,27:1315-1327. |
| [13] | DUCHEYNE P;RAEMDONCK W V;HEUGHEBAERT J C.structural analysis of hydroxyapatite coatings on titanium[J].Biomaterials,1986(07):97-101. |
| [14] | Hayashi K;Mashima T;Uenoyama K .The effect of hydroxyapatite coating on bony ingrowth into grooved titanium implants.[J].Biomaterials,1999(2):111-119. |
| [15] | Chou BY;Chang E .Microstructural characterization of plasma-sprayed hydroxyapatite-10 wt% ZrO2 composite coating on titanium.[J].Biomaterials,1999(19):1823-1832. |
| [16] | FILIAGGI M J;PILLAR R M;COOMBS N A .Postplasma-spraying heat treatment of the ha coatingc/Ti6Al-4V implant system[J].Journal of Biomedical Materials Research,1993,27:191-198. |
| [17] | FILIAGGI M J;COOMBS N A;PILLAR R M .Characterization of the interface in the plasma-sprayed ha coatingc/Ti-6Al-4V implant system[J].Journal of Biomedical Materials Research,1991,25(10):1211-1229. |
| [18] | Weng J.;Li XD.;Zhang XD.;Liu XG. .INTRINSIC FACTORS OF APATITE INFLUENCING ITS AMORPHIZATION DURING PLASMA-SPRAY COATING[J].Biomaterials,1995(1):39-44. |
| [19] | 梁光启.工程非金属材料基础[M].北京:国防工业出版社,1985 |
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