E. A. Bolshevich, S. G. Anikeev, N. V. Artyukhova, A. V. Shabalina, S. A. Pakholkina
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引用次数: 0
摘要
通过在整体钛镍板上烧结钛镍粉，然后用低能量大电流电子束对其进行表面改性，制备出了多孔整体钛镍基材料。利用线性扫描伏安法检测了它们在生物介质中的耐腐蚀性，并利用光学轮廓仪、扫描电子显微镜和 X 射线显微分析法研究了它们的结构特征。对多孔整体样品的腐蚀速率进行了比较，结果发现，与钛镍板相比，新型复合材料具有更好的耐腐蚀性，这是因为其表面的相组成是均匀的。用 LEHCEB 对钛镍基粉末合金进行处理被认为能有效优化植入学所用材料的性能。
Corrosion Resistance of TiNi-Based Biocompatible Composite Materials After Electron Beam Treatment
Porous-monolithic TiNi-based materials are fabricated by sintering TiNi powder on monolithic TiNi plates, followed by their surface modification with a low-energy high-current electron beam. Their corrosion resistance is examined in a biological medium by the method of voltamperometry using linear scanning, and their structural features are studied by the methods of optical profilometry, scanning electron microscopy and X-ray microanalysis. A comparison of the corrosion rates of the porous-monolithic samples is performed, and it is found out that the new composites possess better corrosion resistance compared to that of TiNi plates due to a homogeneous phase composition of the surface. A treatment of the TiNi-based powder alloy with LEHCEB is thought to be effective in optimizing the properties of materials used in implantology.
期刊介绍：
Russian Physics Journal covers the broad spectrum of specialized research in applied physics, with emphasis on work with practical applications in solid-state physics, optics, and magnetism. Particularly interesting results are reported in connection with: electroluminescence and crystal phospors; semiconductors; phase transformations in solids; superconductivity; properties of thin films; and magnetomechanical phenomena.
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