Microfocus computer tomograph (µCT)

锡根大学的8个申请工作组组成的联盟打算采购一种大型研究设备，即微焦计算机断层扫描设备（µCT），该设备将被指定在科学与技术学院的锡根核心设施“微与纳米分析”（MNaF）内运行。由于在NTF的两个研究中心实施微CT设备的良好适用性，预计总共有25个预期的研究项目将直接受益，重点是(i)层析成像和原位材料测试方法的开发，（ii）基于微结构的材料开发和不依赖于尺寸的材料建模，（iii）材料和组件测试的无损检测，以及（iv）计量学。创新材料研究中心（Cm）计划在20个研究项目中应用微CT。层析成像方法的发展是研究小组Butz （MNaF）的核心领域，而原位材料测试是一个非常有吸引力的研究课题。研究小组Leutbecher希望建立一种方法，提供混凝土中钢纤维的方向，然后将其应用于其力学表征。一种创新的原位材料测试方法将为Brandt课课组在疲劳短裂纹扩展表征方面提供有价值的信息。对于基于微结构的材料开发和与尺度无关的材料建模（例如，高强度钢制成的部件的疲劳强度验证），Brandt研究小组的独特资产是对短裂纹的微观结构相关路径的特定了解，以及在微观结构中识别第二相的可能性。无损材料和组件测试的能力将允许材料和组件的特性，这些材料和组件是在智能生产设计Siegen （SmaP）的中心进行增材制造，以加强工作组Butz， Brandt， Reinicke和Manns的机械性能的感知。此外，这也是Brandt、Engel和Fang研究小组使用纤维增强塑料进行材料轻量化设计的决定性成功因素。工作组Reinicke将从计量学中获得巨大利益，因为分析仿生结构可以开发新型结构材料。对于Engel工作组进行的纤维热塑性复合材料的机器辅助热成型，非常精确的尺寸测试也是必不可少的。传感器系统研究中心（ZESS）打算在5个研究项目中应用微CT，以便为复杂结构的无损检测提供一个很好的机会，例如智能工具中的无线传感器，并确定其失效机制。

A consortium of eight applying working groups at the University of Siegen intends to procure a large-scale research device, i.e. a microfocus computer tomography device (µCT) that will be designated to operate within the Siegen core facility “Micro- und Nano-analytics” (MNaF) at the Faculty of Science and Technology (NTF). Owing to the well suitability of implementing a µCT device in two research centers of the NTF, it is anticipated that a total of 25 intended research projects would take a direct benefit with an emphasis on (i) development of methods for tomography and in-situ materials testing, (ii) micro-structure-based materials development and scale-independent material modeling, (iii) non-destructive testing of materials and component testing, and (iv) metrology.The research center "Innovative Materialien" (Cm) intends to apply the µCT in 20 research projects. The development of methods for tomography is a core field of the research group Butz (MNaF), and in-situ materials testing represents a highly attractive topic of research. The research group Leutbecher wants to establish a method that provides the orientations of steel fibers in concretes followed by applying it for its mechanical characterization. An innovative method of in-situ materials testing would furnish valuable information to the research group of Brandt in the area of characterization of short crack propagation during fatigue. A particular knowledge of the micro-structural dependent route of short cracks and the possibility to identify second phases within a microstructure would be a unique asset of the research group Brandt for a micro-structure-based materials development and the scale-independent material modeling, e. g. the fatigue strength verification of components made of high strength steels. The competence of nondestructive materials and component testing would allow for the characterization of materials and components, which are additively manufactured at the center of Smart Production Design Siegen (SmaP), in order to strengthen the perception of the mechanical properties in the minds of the working groups Butz, Brandt, Reinicke, and Manns. Furthermore, it is a decisive success factor for the material lightweight design efforts of the research groups Brandt, Engel, and Fang using fiber reinforced plastics. The working group Reinicke would take a huge benefit from metrology due to analysis of bionic structures for the development of novel structural materials. Very accurate dimensional tests are essential as well for the machine-aided thermoforming of fiber thermoplastic composites performed by the working group Engel.The research center for sensor systems (ZESS) intends to apply the µCT in 5 research projects in order to provide a great opportunity for nondestructive testing of complex structures, e.g. wireless sensors in smart tools, and to identify their failure mechanisms.