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Microstructure-Based Damage Modelling of Plasma Sprayed Ceramic Coatings in SOFC-Layer Systems

机译:SOFC层系统中等离子喷涂陶瓷涂层基于微观结构的损伤建模

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Solid oxide fuel cells (SOFC) promise interesting energy conversion systems for mobile and stationary usage. High temperatures enable the use of a variety of hydrocarbons fuels. These temperatures intensify chemical reactions, and a compromise between beneficial and harmful side effects on a SOFC has to be defined. For economic reasons, a SOFC design is required, applicable for batch-production leading to a staple of finely arranged structures to separate fuel and oxidizing agent reliably. In this work, we apply a holistic approach to include macro- and microstructural details into a holistic numerical model. A newly developed self-healing material is investigated. Using subroutine techniques in ABAQUS, we could simulate self-healing materials under realistic conditions, and derive understanding of failure mechanism paths to forecast material over service lifetime.
机译:固体氧化物燃料电池(SOFC)有望为移动和固定使用提供有趣的能量转换系统。高温使得能够使用多种碳氢化合物燃料。这些温度加剧了化学反应,因此必须定义对SOFC的有益和有害副作用之间的折衷方案。出于经济原因,需要SOFC设计,该设计可用于批量生产,从而形成精细排列的结构以可靠地分离燃料和氧化剂。在这项工作中,我们采用整体方法将宏观和微观结构细节纳入整体数值模型。研究了一种新开发的自愈材料。使用ABAQUS中的子例程技术,我们可以在现实条件下模拟自修复材料,并获得对失效机制路径的了解,以预测使用寿命内的材料。

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