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Accelerated Fatigue Testing of Stent-Like Diamond Specimens

机译:类似于支架的金刚石样品的加速疲劳测试

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摘要

In this study, we investigated the fatigue behavior of stent-like diamond specimens with particular attention paid to the nature of the test specimen, the constitutive model for the finite element analyses and the displacement condition. A newly designed test rig did enhance the investigation and results with respect to the simulation of the expected in vivo displacement conditions. The excellent performance of the new test method presented within our study provides a good basis for future tests without risk of compromised results due to differing characteristics between test specimens and finished stents, inappropriate displacement conditions or constitutive material model and provides a high reliability and applicability of the results to actual stents.
机译:在这项研究中,我们研究了类支架状金刚石试样的疲劳行为,并特别注意了试样的性质,有限元分析的本构模型和位移条件。新设计的试验台确实增强了预期体内位移条件模拟的研究和结果。我们的研究中提出的新测试方法的出色性能为将来的测试提供了良好的基础,而不会由于样品和成品支架之间的特性不同,不适当的位移条件或本构材料模型而导致折衷的结果,并具有很高的可靠性和适用性。结果以实际支架为准。

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