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退火对镀钽TiNi合金微观组织结构和血液相容性的影响

Effect of annealing treatment on the microstructure and hemocompatibility of TiNi alloy coated with Ta
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摘要 采用原子力显微镜(AFM)和X射线衍射分析(XRD)研究了退火处理对TiNi合金钽镀层微观组织结构的影响,研究表明:采用多弧离子镀在TiNi合金表面沉积得到了β-Ta镀层,经退火处理后,钽镀层的表面粗糙度增加,亚稳定的β-Ta相完全转变为稳定的α-Ta相.采用血小板粘附试验研究了退火对镀钽TiNi合金血液相容性的影响.发现经过退火处理后血小板粘附数量明显降低,血小板没有发生聚集和变形,只有少数长出了伪足,即血小板基本未被激活,说明退火改善了镀钽TiNi合金的血液相容性.
机构地区 哈尔滨工业大学
出处 《功能材料》 EI CAS CSCD 北大核心 2004年第z1期2290-2292,共3页 Journal of Functional Materials
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参考文献9

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