Development of In-Process NDE Machining Force Feedback Analysis for Titanium Alloy Component Texture Analysis

用于钛合金部件织构分析的在线 NDE 加工力反馈分析的开发

• 批准号: 2879514
• 金额: --
• 依托单位: University of Sheffield
• 依托单位国家: 英国
• 项目类别: Studentship
• 财政年份: 2023
• 资助国家: 英国
• 起止时间: 2023 至 无数据
• 项目状态: 未结题
• 来源: https://gtr.ukri.org/projects?ref=studentship-2879514
• 关键词: Development; Process; NDE; Machining; Force

Titanium alloys are used in high performance rotating components in the aerospace industry, particularly compressor discs, as they possess high strength/weight ratios and excellent fatigue and corrosion re-sistance. Titanium alloy products are generally forged and machined, and over recent years, the ma-chining force feedback response has been used to provide an indication of grain structure in forged mate-rial and the influence of upstream forging on texture development. A key aim of this EngD project is to develop the force feedback approach as a non-destructive evaluation technique for titanium alloy components and upstream forged conditions. One aspect is to detect delete-rious micro-texture regions in forged material that may be more prone to performance limiting features in-service and develop a microstructural digital twin from such force feedback data. This project is hugely important in the manufacture of advanced materials, particularly considering the move to high speed machining for enhanced productivity, as there is no viable non-destructive inspec-tion method capable of determining microstructural variation on-line as the material is being machined. This severely limits the advancement of both new materials and machining techniques. If a reliable in-process NDE approach can be developed, this will provide a vast manufacturing advantage not just in forged product but in other processes that require subtractive machining, such as additive manufacturing. The development will work will also provide the framework of a digital twin of the workpiece material through key solid state processing steps.

钛合金用于航空航天工业中的高性能旋转部件，特别是压缩机盘，因为它们具有高强度/重量比以及优异的抗疲劳性和耐腐蚀性。钛合金产品通常经过锻造和机加工，近年来，机加工力反馈响应已被用来指示锻造材料的晶粒结构以及上游锻造对织构发展的影响。该工程项目的一个主要目标是开发力反馈方法作为钛合金部件和上游锻造条件的无损评估技术。一方面是检测锻造材料中的有害微纹理区域，这些区域可能更容易出现使用中的性能限制特征，并根据此类力反馈数据开发微结构数字孪生。该项目对于先进材料的制造非常重要，特别是考虑到转向高速加工以提高生产率，因为没有可行的无损检测方法能够在材料加工时在线确定微观结构变化。这严重限制了新材料和加工技术的进步。如果能够开发出可靠的过程中 NDE 方法，这不仅会在锻造产品中，而且在需要减材加工的其他工艺（例如增材制造）中提供巨大的制造优势。该开发工作还将通过关键的固态加工步骤提供工件材料的数字孪生框架。