MRI Consortium: Development of High Throughput High Energy Diffraction Microscope

MRI联盟:开发高通量高能衍射显微镜

基本信息

  • 批准号:
    1726375
  • 负责人:
  • 金额:
    $ 108.99万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2017
  • 资助国家:
    美国
  • 起止时间:
    2017-09-01 至 2022-08-31
  • 项目状态:
    已结题

项目摘要

Part 1:This MRI award by both the Division of Materials Research (DMR) in the Directorate for Mathematical & Physical Sciences (MPS) and the Division of Civil, Mechanical and Manufacturing Innovation (CMMI) in the Directorate for Engineering (ENG) supports the development of a High Energy Diffraction Microscopy (HEDM) instrument by a consortium of four institution (Carnegie Mellon University, Purdue University, University of Utah, and Colorado School of Mines). The new instrument will make possible observations of unique in-situ studies of phase transformations, coarsening of materials and modeling thereof. Measurements with the instrument will also facilitate other types of measurements, from gas diffusion and storage to ultra-fast shock deformation and applications of coherent diffractive imaging that will be enhanced by the coming upgrades of synchrotrons around the world. The Development project and resulting instrument will have broader impacts through training and mentoring of post-doctoral associates, through advancements in x-ray science, and through the many applications of the instrument to materials of interest to industry and government laboratories. Through the availability of advanced characterization data it will be possible to develop improved models of material properties and responses and these improved models will lead to shorter development times and materials with improved properties.Part2: This Major Research Instrumentation award supports the development of a High Energy Diffraction Microscopy (HEDM) by a consortium of four institution (Carnegie Mellon University, Purdue University, University of Utah, and Colorado School of Mines). The instrument enables a suite of high energy ( 30 keV) x-ray measurement techniques that provide unique information about structure and structural evolution in the broad class of polycrystalline materials. Relevant materials include metals and their alloys, ceramics, and many functional materials. Understanding these materials and their evolution is a multi-scale problem with nano-scale lattice defects (dislocations and others) interacting in anisotropic and inhomogeneous crystalline environments. These interactions give rise to emergent mesoscale and macroscopic properties which must be tailored for applications in extreme environments such as jet engines, nuclear reactors, and general energy and transportation systems. HEDM is playing a central role improving understanding and modeling of these materials. Near- and Far-field HEDM use spatially resolved diffraction in three dimensions to probe structure deep inside of bulk samples. The measurements are non-destructive in hard materials allowing repeated measurements as the materials are subjected to a variety of thermal and mechanical treatments. The measurement techniques and associated software for interpreting the terabytes of raw image data that are collected have been developed over the past decade. Because the measurements require a high flux of monochromatic high energy x-rays that are specifically tailored (collimated and/or focused) for each technique, they are carried out at high energy synchrotron radiation facilities such as the Department of Energy's Advanced Photon Source at Argonne National Laboratory. The new multi-modal microscope will fully integrate data collection protocols and analysis software so that output data sets will be available to researchers on the same time scale as the data collection times thus allowing experimenters to optimize sample treatment parameters during the course of measurements. Hardware specifications will take advantage of recent developments in detector and positioning technologies. A high temperature capability will be available. The software developed for this instrument will be made available to the community at the Advanced Photon Source and other facilities around the world.
第一部分:核磁共振奖由数学与物理科学理事会(MPS)材料研究部(DMR)和工程理事会(ENG)土木、机械和制造创新部(CMMI)颁发,支持由四所机构(卡内基梅隆大学、普渡大学、犹他大学和科罗拉多矿业学院)组成的联盟开发高能衍射显微镜(HEDM)仪器。新仪器将有可能对相变、材料粗化及其建模的独特原位研究进行观察。该仪器的测量还将促进其他类型的测量,从气体扩散和存储到超高速冲击变形和相干衍射成像的应用,这将通过世界各地同步加速器的即将升级而得到增强。通过对博士后同事的培训和指导,通过x射线科学的进步,以及通过该仪器在工业和政府实验室感兴趣的材料上的许多应用,该开发项目和由此产生的仪器将产生更广泛的影响。通过先进表征数据的可用性,将有可能开发改进的材料性能和响应模型,这些改进的模型将缩短开发时间,并改善材料的性能。第二部分:该主要研究仪器奖支持由四个机构(卡内基梅隆大学、普渡大学、犹他大学和科罗拉多矿业学院)组成的财团开发高能衍射显微镜(HEDM)。该仪器能够实现一套高能(30 keV) x射线测量技术,提供关于广泛的多晶材料结构和结构演变的独特信息。相关材料包括金属及其合金、陶瓷和许多功能材料。理解这些材料及其演变是一个多尺度的问题,纳米尺度的晶格缺陷(位错和其他)在各向异性和非均质晶体环境中相互作用。这些相互作用产生了紧急的中尺度和宏观特性,必须为极端环境(如喷气发动机,核反应堆和一般能源和运输系统)的应用量身定制。HEDM在提高对这些材料的理解和建模方面发挥着核心作用。近场和远场HEDM使用三维空间分辨衍射来探测大块样品内部深处的结构。测量是非破坏性的硬材料,允许重复测量,因为材料受到各种热和机械处理。在过去的十年中,用于解释所收集的tb级原始图像数据的测量技术和相关软件得到了发展。因为测量需要高通量的单色高能x射线,这些x射线是为每种技术专门定制的(准正和/或聚焦),所以它们是在高能同步辐射设施中进行的,比如美国能源部位于阿贡国家实验室的先进光子源。新的多模态显微镜将完全集成数据收集协议和分析软件,以便输出数据集将在与数据收集时间相同的时间尺度上提供给研究人员,从而允许实验人员在测量过程中优化样品处理参数。硬件规格将利用探测器和定位技术的最新发展。具有高温性能。为该仪器开发的软件将提供给先进光子源和世界各地其他设施的社区。

项目成果

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Robert Suter其他文献

Robert Suter的其他文献

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{{ truncateString('Robert Suter', 18)}}的其他基金

In-situ Observtion of Annealing Behaviors of Bulk Metallic Polycrystals
大块金属多晶退火行为的原位观察
  • 批准号:
    1105173
  • 财政年份:
    2011
  • 资助金额:
    $ 108.99万
  • 项目类别:
    Continuing Grant
Tests of MacPherson-Srolovitz Grain Growth in Metallic Polycrystals
金属多晶中麦克弗森-斯罗洛维茨晶粒生长试验
  • 批准号:
    0805100
  • 财政年份:
    2008
  • 资助金额:
    $ 108.99万
  • 项目类别:
    Continuing Grant
Acquisition of a Low-Energy Electron Microscope
购置低能电子显微镜
  • 批准号:
    0079416
  • 财政年份:
    2000
  • 资助金额:
    $ 108.99万
  • 项目类别:
    Standard Grant
Acquisition of Diffractometers and Laboratory X-ray Sources for Interdisciplinary Research
为跨学科研究采购衍射仪和实验室 X 射线源
  • 批准号:
    9503737
  • 财政年份:
    1995
  • 资助金额:
    $ 108.99万
  • 项目类别:
    Standard Grant
REU Site in Field Biology
REU 野外生物学网站
  • 批准号:
    8900876
  • 财政年份:
    1989
  • 资助金额:
    $ 108.99万
  • 项目类别:
    Standard Grant
Undergraduate Research Participation
本科生研究参与
  • 批准号:
    8025922
  • 财政年份:
    1981
  • 资助金额:
    $ 108.99万
  • 项目类别:
    Standard Grant

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