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Atomic Resolution Studies of Solute Atom Segregation and Phase Transitions at Internal Interfaces

Atomic Resolution Studies of Solute Atom Segregation and Phase Transitions at Internal Interfaces
溶质原子分离和内部界面相变的原子分辨率研究
批准号:
8819074
负责人:
David Seidman
金额:
$46.56万
依托单位:
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
1989
资助国家:
美国
项目状态:
已结题
起止时间:
1989-01-15 至 1991-12-31

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中文摘要
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英文摘要
This program examines solute atom segregation and phase transitions at internal interfaces (grain boundaries and stacking faults) in body-centered cubic and face-centered cubic metal alloys. A goal is to understand phase equilibria at internal interfaces. Interface chemical composition, geometry, and structure are analyzed by atom probe field ion microscopy, high resolution analytical microscopy, and transmission electron microscopy. Computer simulation is performed by Monte Carlo calculations using the embedded atom method to correlate experimental results with theory.
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NSF-BSF:Influence of cohesion enhancing elements, impurities and hydrogen/deuterium at grain boundaries and heterophase interfaces on embrittlement of additive-manufactured steels
  • 批准号:
    2105362
  • 项目类别:
    Standard Grant
  • 资助金额:
    $39.09万
  • 财政年份:
    2021
  • 负责人:
    David Seidman
  • 依托单位:
Atomistic Studies of Concentrated Multicomponent Nickel-Based Alloys Utilizing Atom-Probe Tomography and Vacancy-Mediated Lattice Kinetic Monte Carlo Simulations
  • 批准号:
    1610367
  • 项目类别:
    Continuing Grant
  • 资助金额:
    $45.0万
  • 财政年份:
    2016
  • 负责人:
    David Seidman
  • 依托单位:
An Atom-Probe Tomography and Lattice Kinetic Monte Carlo Study of Phase Separation in Ni-Al-Based Alloys from the Atomic Scale Up to Link with Continuum Theories
  • 批准号:
    1207539
  • 项目类别:
    Continuing Grant
  • 资助金额:
    $58.0万
  • 财政年份:
    2012
  • 负责人:
    David Seidman
  • 依托单位:
A New Experimental/Computational Approach for Predicting Phase Evolution and Defect Thermodynamics: Application to Concentrated Multicomponent Ni-Based Superalloys
  • 批准号:
    0804610
  • 项目类别:
    Continuing Grant
  • 资助金额:
    $59.0万
  • 财政年份:
    2008
  • 负责人:
    David Seidman
  • 依托单位:
国内基金
海外基金
基于Resolution算法的交互时态逻辑自动验证机
  • 批准号:
    61303018
  • 项目类别:
    青年科学基金项目
  • 资助金额:
    22.0万元
  • 批准年份:
    2013
  • 负责人:
    章岚
  • 依托单位: