An electrodeposition technique was developed for fabricating bioactive hydroxyap-atite(HA) coating on Ti-6Al-4V alloy at relative low temperature. XRD, SEM and ICP/AES were used to characterize the structure, morpholo...An electrodeposition technique was developed for fabricating bioactive hydroxyap-atite(HA) coating on Ti-6Al-4V alloy at relative low temperature. XRD, SEM and ICP/AES were used to characterize the structure, morphology and chemical composition of the coatings. The galvanostatic electrodeposted HA coating is of 1.62 Ca/P molar ratio and has a uniform and porous structure, which is similar with the structure and composition of hu-man bone. The reaction mechanism and influence of experimental conditions on HA coatings are also discussed.展开更多
文摘 通过声电沉积工艺在炭 炭复合材料表面制备了生物活性透钙磷石涂层,用XRD、EDAX及Raman光谱对炭 炭复合材料改性前后的表面特征进行了研究。结果表明,与传统电结晶工艺相比,声电沉积工艺所制透钙磷石涂层晶面间距减小,炭 炭复合材料与透钙磷石涂层间形成了C O P、C O H等化学键合。同时探讨了成键机理,认为声电沉积工艺是声电表面改性、声化学合成以及电结晶工艺的有机组合。
文摘An electrodeposition technique was developed for fabricating bioactive hydroxyap-atite(HA) coating on Ti-6Al-4V alloy at relative low temperature. XRD, SEM and ICP/AES were used to characterize the structure, morphology and chemical composition of the coatings. The galvanostatic electrodeposted HA coating is of 1.62 Ca/P molar ratio and has a uniform and porous structure, which is similar with the structure and composition of hu-man bone. The reaction mechanism and influence of experimental conditions on HA coatings are also discussed.