Quantitative Atom Probe Tomography for Nanostructural Analysis of Materials

用于材料纳米结构分析的定量原子探针断层扫描

• 批准号: LP0453538
• 负责人: Prof Simon Ringer
• 金额: $ 44.49万
• 依托单位: The University of Sydney
• 依托单位国家: 澳大利亚
• 项目类别: Linkage Projects
• 财政年份: 2004
• 资助国家: 澳大利亚
• 起止时间: 2004-07-19 至 2009-07-18
• 项目状态: 已结题
• 来源: https://dataportal.arc.gov.au/RGS/Web/Grants/LP0453538
• 关键词: Quantitative; Atom; Probe; Tomography; Nanostructural

The ultimate in microscopy would involve the ability to image and chemically identify every atom or molecule in a specimen. This project involves the development of reconstruction and analysis methodologies for more accurately determining relative atomic positions in atom probe tomography. We will develop a comprehensive, platform-independent approach to enable quantitative atom probe tomography for the Australian research community. This development will be used to address current questions on the influence of the chemistry, crystallography, type and dispersion of sub-critical atomic clusters and supra-critical nanoscale precipitates on the strengthening mechanisms in light alloys used for structural applications in transport.

显微镜技术的终极目标是能够对样品中的每一个原子或分子进行成像和化学识别。该项目涉及重建和分析方法的发展，更准确地确定原子探针断层扫描中的相对原子位置。我们将开发一种全面的、独立于平台的方法，为澳大利亚研究界提供定量原子探针断层扫描。这一发展将被用来解决当前的问题的化学，晶体学，类型和亚临界原子簇和超临界纳米级沉淀物的分散的影响，在用于运输结构应用的轻合金的强化机制。