Electrodyn. universal testing machine (10kN) with dyn. optical strain control & temperature chamber

电动力。

• 批准号: 459975930
• 金额: --
• 依托单位: Universität Augsburg
• 依托单位国家: 德国
• 项目类别: Major Research Instrumentation
• 财政年份: 2021
• 资助国家: 德国
• 起止时间: 2020-12-31 至 无数据
• 项目状态: 未结题
• 来源: https://gepris.dfg.de/gepris/projekt/459975930?language=en
• 关键词: Electrodyn.; universal; testing; machine; 10kN

The device applied for is an electrodynamic testing machine with a load capacity of 10 kN and the option to superimpose multiaxial loads. A dynamic optical strain control enables the contactless recording of strain values as well as the control of the machine in the high-frequency range. By integrating a temperature chamber, dynamic-mechanical tests can be carried out at different temperatures. The testing machine is to be used primarily in the cyclical material testing of composite materials and hybrid materials. Focus lays on performing dynamic mechanical analyzes as well as fatigue experiments on hybrid materials with comparatively large representative volumes. This approach is crucial in order to be able to take material inhomogeneities into account. Fiber-reinforced plastics and hybrid composites consisting of fiber-reinforced plastics and metals are primarily intended as materials, but the system should also be able to test other material classes (e.g. purely metallic samples, fiber reinforced ceramics). The mechanical characterization provides important material parameters for setting up material models and for predicting the service life of hybrid materials with coupled mechanical-thermal load. The testing machine, hence, forms a link between classic dynamic mechanical analyzes and purely mechanically based fatigue testing.

所申请的设备是电动试验机，负载能力为10 kN，并且可以叠加多轴负载。动态光学应变控制可以非接触式记录应变值以及在高频范围内控制机器。通过集成温度室，可以在不同温度下进行动态机械测试。该试验机主要用于复合材料和混合材料的循环材料试验。重点是对具有较大代表性体积的混合材料进行动态力学分析和疲劳实验。为了能够考虑材料的不均匀性，这种方法至关重要。纤维增强塑料以及由纤维增强塑料和金属组成的混合复合材料主要用作材料，但该系统还应该能够测试其他材料类别（例如纯金属样品、纤维增强陶瓷）。机械表征为建立材料模型和预测具有耦合机械热载荷的混合材料的使用寿命提供了重要的材料参数。因此，该试验机在经典动态机械分析和纯机械疲劳测试之间建立了联系。