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镁基磷酸钙类/壳聚糖生物复合材料的制备 被引量:3

Preparation of Calcium Phosphate/Chitosan Hybrid on the AZ91 Magnesium Alloy Surface Using Chemical Deposition Method
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摘要 采用化学沉积法在AZ91镁合金微弧氧化陶瓷膜表面制备磷酸钙类/壳聚糖复合膜层,并用XRD,SEM,EDS和等离子体热电光谱(ICP)仪等对复合膜层化学组成及结构进行表征。XRD测试结果显示,该生物复合涂层是由磷酸钙(TCP)、磷酸氢钙(DCPD)及少量的羟基磷灰石(HA)所构成。壳聚糖的引入使磷酸钙复合膜层表面形貌发生明显变化,与未加入壳聚糖相比,DCPD和TCP的含量明显增加。采用电化学测试方法及模拟体液浸泡试验评价该薄膜的耐蚀性能。结果显示,该复合涂层生物性能稳定,能够提高镁合金的抗腐蚀性能。 采用化学沉积法在AZ91镁合金微弧氧化陶瓷膜表面制备磷酸钙类/壳聚糖复合膜层,并用XRD,SEM,EDS和等离子体热电光谱(ICP)仪等对复合膜层化学组成及结构进行表征。XRD测试结果显示,该生物复合涂层是由磷酸钙(TCP)、磷酸氢钙(DCPD)及少量的羟基磷灰石(HA)所构成。壳聚糖的引入使磷酸钙复合膜层表面形貌发生明显变化,与未加入壳聚糖相比,DCPD和TCP的含量明显增加。采用电化学测试方法及模拟体液浸泡试验评价该薄膜的耐蚀性能。结果显示,该复合涂层生物性能稳定,能够提高镁合金的抗腐蚀性能。
机构地区 沈阳理工大学
出处 《稀有金属材料与工程》 SCIE EI CAS CSCD 北大核心 2012年第S2期586-590,共5页 Rare Metal Materials and Engineering
基金 辽宁省教育厅资助项目(L2010484)
关键词 镁合金 微弧氧化 化学沉积 磷酸钙类/壳聚糖涂层 耐蚀性 AZ91 magnesium micro-arc oxidization chemical deposition calcium phosphate/chitosan corrosion resistance
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参考文献8

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共引文献6

同被引文献99

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