SBIR Phase I: High-Energy X-ray Gratings for Nondestructive Evaluation

SBIR 第一阶段：用于无损评估的高能 X 射线光栅

• 批准号: 1843347
• 负责人: Michael Vincent
• 金额: $ 22.5万
• 依托单位: REFINED IMAGING, LLC
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2019
• 资助国家: 美国
• 起止时间: 2019-02-01 至 2020-01-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1843347&HistoricalAwards=false
• 关键词: SBIR; Phase; Energy; ray; Gratings

The broader impact/commercial potential of this Small Business Innovation Research (SBIR) Phase I project is the development of advanced X-ray imaging, high-energy X-ray grating-based interferometry, systems for nondestructive evaluation of additive manufacturing components. The image quality of the high-energy, X-ray grating-based interferometry imaging system will be advantageous for detecting critical size flaws on flight critical aerospace components, such as turbine components, and medical devices such as customized hip cups. Interferometry radiography is capable of detection of sub-micron to micron voids at a rate faster than conventional industrial X-ray CT scanning. Imaging speed and quality is important; some flight critical components face a reject rate of 10% based on the current X-ray CT scans. The goal of better image quality is feedback into the additive manufacturing print parameters so as to increase part yield and reliability. This Small Business Innovation Research (SBIR) Phase I project will be the first to commercialize high-energy, X-ray grating interferometry in the US. The interferometry concepts for this proposal are novel and have been partly derived from the NSF-supported gravity wave detection facility, the Laser Interferometry Gravitational-wave Observatory (LIGO), which led to a hardware/software patent for high-energy X-ray grating optics and software. The microfabricated gold and/or nickel structures on silicon or graphite wafers have exceedingly high aspect ratios, requiring the use of support structures for physical stability of the microfabricated features. The support structures introduce image noise and diminished interferometry performance. The LIGO-derived procedure accommodates the support structures, restoring image quality and instrument performance. The support structures are especially important for optics used with high-energy X-rays, such as systems designed for inspection of additive manufacturing metal componentsThis award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.

这个小企业创新研究（SBIR）第一阶段项目的更广泛的影响/商业潜力是开发先进的x射线成像，高能x射线光栅干涉测量，用于增材制造部件的无损评估系统。高能、基于x射线光栅的干涉成像系统的图像质量将有利于检测飞行关键航空部件（如涡轮部件）和医疗设备（如定制髋杯）的临界尺寸缺陷。干涉测量射线照相能够以比传统的工业x射线CT扫描更快的速度检测亚微米到微米的空隙。成像速度和质量很重要；根据目前的x射线CT扫描，一些飞行关键部件面临10%的废品率。更好的图像质量的目标是反馈到增材制造打印参数，以提高零件良率和可靠性。这个小企业创新研究（SBIR）第一阶段项目将是美国第一个商业化高能x射线光栅干涉测量的项目。该提案的干涉测量概念是新颖的，部分来源于美国国家科学基金会支持的引力波探测设施，激光干涉引力波天文台（LIGO），它导致了高能x射线光栅光学和软件的硬件/软件专利。在硅或石墨晶圆上的微制造金和/或镍结构具有极高的纵横比，需要使用支撑结构来保证微制造特征的物理稳定性。支撑结构引入了图像噪声，降低了干涉测量性能。ligo衍生程序适应支撑结构，恢复图像质量和仪器性能。支撑结构对于用于高能x射线的光学器件尤其重要，例如用于检测增材制造金属部件的系统。该奖项反映了美国国家科学基金会的法定使命，并通过使用基金会的知识价值和更广泛的影响审查标准进行评估，被认为值得支持。