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Application of μCT for the Determination of Total Surface Area of Stents

文献类型: 会议论文

第一作者: Muhammad Saqib

作者: Muhammad Saqib 1 ; Ricardo Bernhardt 1 ; Markus Kastner 2 ; Natalia Beshchasna 1 ; Gianaurelio Cuniberti 3 ; Jorg Opitz 1 ;

作者机构: 1.Fraunhofer Institute for Ceramic Technologies and Systems (IKTS)

2.Institute of Solid Mechanics, TU Dresden

3.Institute for Materials Science and Max Bergmann Center of Biomaterials, TU Dresden

关键词: Stent;Surface area;Resoloy;Mg alloy;Micro CT

会议名称: E-Health and Bioengineering Conference

主办单位:

页码: 593-596

摘要: Coronary stents are mesh like structures having complex geometrical shapes. Their complex geometry makes it difficult to estimate their surface area exactly which is necessary in different experiments to study the degradation behavior. There are methods available to calculate or estimate the stent outer surface area which is also called Metallic Surface Area (MSA). In this vicinity, no method available in the literature to determine the total surface area of stent with all exposed sides. In this work, a non-destructive method is presented to calculate total surface area of stents by using micro computed tomography (μCT) measurements. Since the corrosion rate calculations need exposed surface area of samples. Therefore, with the help of this method, stents can be used as a test samples instead of regular geometrical shaped samples for corrosion tests.

分类号: Q81-53

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