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納米SrFe12O19磁性能對NiTi合金、316L不銹鋼血液相容性的影響
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江蘇省高校自然科學(xué)計(jì)劃資助項(xiàng)目(04KJB430025)


Effect of Magnetic Properties of Nano-SrFe12O19 Powder on the Blood Compatibility of NiTi Alloy and 316L Stainless Steel
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    摘要:

    用溶膠凝膠法制備納米SrFe12O19磁性粉末，并用磁強(qiáng)計(jì)檢測SrFe12O19粉末的磁性能，在NiTi合金、316L不銹鋼表面用溶膠凝膠法制備含SrFe12O19磁性粉末的TiO2薄膜，并用X射線衍射儀分析薄膜成分。測試不同層數(shù)薄膜的微磁場強(qiáng)度，并對這些薄膜測定動(dòng)態(tài)凝血時(shí)間和溶血率，以研究不同的表面微磁場強(qiáng)度對材料血液相容性的影響。結(jié)果表明：材料表面的微磁場強(qiáng)度愈高，材料血液相容性愈好

    Abstract:

    Nano-SrFe12O19 magnetic powder was preparaed with sol-gel method, and its magnetic properties were detected by a magnetometer. The TiO2 film containing SrFe12O19 powder was coated on the surface of NiTi alloy and 316L stainless steel with sol-gel method and the elements of film were analysed by XRD. The micro-magnetic field magnetization of TiO2 films containing SrFe12O19 powder with different layer numbers were tested and the dynamic clotting time and the hemolysis rate of these different films were tested. All results show that the higher the micro-magnetic field strength of material surface, the better the blood compatibility.

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劉 強(qiáng),程曉農(nóng),徐紅星,費(fèi)黃霞,楊 娟.納米SrFe12O19磁性能對NiTi合金、316L不銹鋼血液相容性的影響[J].稀有金屬材料與工程,2009,38(9):1547~1551.[Liu Qiang, Cheng Xiaonong, Xu Hongxing, Fei Huangxia, Yang Juan. Effect of Magnetic Properties of Nano-SrFe12O19 Powder on the Blood Compatibility of NiTi Alloy and 316L Stainless Steel[J]. Rare Metal Materials and Engineering,2009,38(9):1547~1551.]
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  • 收稿日期:2008-09-15
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