Production of polycrystalline superalloy membranes by cross-linking of incoherent g´-precipitates

通过非共格 g´ 沉淀物的交联生产多晶高温合金膜

• 批准号: 389412490
• 负责人: Professor Dr. Joachim Rösler
• 金额: --
• 依托单位: Institut für Werkstoffe
• 依托单位国家: 德国
• 项目类别: Research Grants
• 财政年份: 2017
• 资助国家: 德国
• 起止时间: 2016-12-31 至 2020-12-31
• 项目状态: 已结题
• 来源: https://gepris.dfg.de/gepris/projekt/389412490?language=en
• 关键词: Production; polycrystalline; superalloy; membranes; cross

The objective of this research proposal is to investigate a new process for the production of superalloy membranes. It is based on the coarsening of incoherent rather than coherent g´-precipitates, leading to a bi-continuous g/g´-microstructure. This new method has not only the potential to simplify the production process but also to raise the strength of the membrane material. However, the correlation between processing parameters, microstructure evolution and membrane properties are not yet understood. Therefore, it is the purpose of the research proposal to clarify this interrelation. Only then is it possible to make full use of the new production process and fabricate membranes with optimal properties. Particular attention will be placed on the processing step required to produce a bi-continuous g/g´-microstructure via growth of incoherent g´-particles as well as the mechanical properties of the resulting membranes.

本研究计划的目的是研究生产高温合金膜的新工艺。它基于非相干而非相干 g' 沉淀物的粗化，从而形成双连续 g/g' 微观结构。这种新方法不仅可以简化生产过程，还可以提高膜材料的强度。然而，加工参数、微观结构演变和膜性能之间的相关性尚不清楚。因此，本研究计划的目的就是阐明这种相互关系。只有这样才能充分利用新的生产工艺并制造出具有最佳性能的膜。将特别关注通过不相干 g' 颗粒的生长产生双连续 g/g' 微结构所需的加工步骤以及所得膜的机械性能。