采用射频磁控溅射法在Ti6Al4V基体上制备了HA/YSZ生物梯度涂层.借助于XRD,SEM,EDS等对溅射涂层的相组成、微观形貌和界面状态进行了研究.实验结果表明:磁控溅射的生物梯度涂层呈非晶态,经过退火处理,可以使其转化为晶态,恢复缺失的OH-1;梯度涂层的微观表面凹凸不平,并呈现网状结构和较多的孔隙,后处理仍保持梯度涂层利于新骨生长的表面形貌,并使其转变为针状结晶.HA/YSZ梯度涂层与基体结合紧密,在涂层与基体界面结合处约5.0μm范围内存在Ti,Ca,P,Zr的相互扩散层,梯度涂层与基体的界面结合强度达60.5MPa.
参考文献
| [1] | Keller L;Dollase WA .X-ray determination of crystalline hydroxyapatite to amorphous calcium-phosphate ratio in plasma sprayed coatings.[J].Journal of biomedical materials research, Part B. Applied biomaterials,2000(2):244-249. |
| [2] | V. Nelea;C. Morosanu;M. Iliescu;I.N. Mihailescu .Hydroxyapatite thin films grown by pulsed laser deposition and radio-frequency magnetron sputtering: comparative study[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,2004(1/4):346-356. |
| [3] | 憨勇;徐可为.羟基磷灰石生物陶瓷涂层制备方法评述[J].硅酸盐通报,1997(05):47-49. |
| [4] | ROOP KUMAR R;WANG M;DUCHEYNE P.Production and evaluation of hydroxyapatite-tricalum phosphate functionally graded coating[J].Bioceramics,2001(13):231-234. |
| [5] | 陈晓明,焦玉恒,许传波.电泳沉积制备羟基磷灰石/生物玻璃梯度涂层的研究[J].材料科学与工程,2002(04):545-548. |
| [6] | Ding SJ;Ju CP;Lin JH .Immersion behavior of RF magnetron-assisted sputtered hydroxyapatite/titanium coatings in simulated body fluid.[J].Journal of biomedical materials research, Part B. Applied biomaterials,1999(4):551-563. |
| [7] | DIJK V;SCHAEKEN K;WOLKE et al.Influence of discharge power level on the properties of hydroxyapatite films deposited on Ti6Al4V with RF magnetron sputtering[J].Journal of Biomedical Materials Research,1995,29(02):269-276. |
| [8] | Ding SJ;Ju CP;Lin JH .Characterization of hydroxyapatite and titanium coatings sputtered on Ti-6Al-4V substrate.[J].Journal of biomedical materials research, Part B. Applied biomaterials,1999(3):266-279. |
| [9] | Shinn-Jyh Ding;Tien-Ling Lee;Yu-Hua Chu .Environmental effect on bond strength of magnetron-sputtered hydroxyapatite/titanium coatings[J].Journal of Materials Science Letters,2003(6):479-482. |
| [10] | 王迎军;赵子衷;宁成云 等.生物活性梯度涂层的显微结构与附着强度[J].材料研究学报,1999,13(01):103-106. |
| [11] | 张亚平,高家诚,文静,王勇.钛基激光涂覆生物陶瓷涂层的生物相容性[J].中国生物医学工程学报,2002(03):242-245. |
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