The use of 3-D atom-probe tomography to study nickel-based superalloys

被引：37
|
作者：
Seidman, David N. [1 ]
Sudbrack, Chantal K.
Yoon, Kevin E.
机构：
[1] Northwestern Univ, Dept Mat Sci & Engn, Evanston, IL USA
[2] Argonne Natl Lab, Mat Sci Div, Argonne, IL USA
来源：
JOM | 2006年 / 58卷 / 12期
基金：
美国国家科学基金会; 美国国家航空航天局;
关键词：
D O I：
10.1007/BF02748493
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Recent technological advances in the design and fabrication of atom-probe tomographs and their commercialization are revolutionizing our ability to determine, on a sub-nanometer scale (atomic scale), the chemical identities of atoms in a nanostructure and to reconstruct this information in three dimensions. Thus, it is now possible to obtain data sets containing several hundred million atoms in a few hours, using either electrical or laser (femtosecond or picosecond) pulsing, and to reconstruct crystalline lattices using sophisticated software programs. Detailed quantitative results of the application of atom-probe tomography to study the kinetic pathways for precipitation in model nickel-based superalloys, Ni-Al-Cr and Ni-Al-Cr-Re, are presented as illustrative examples.
引用
收藏
页码：34 / 39
页数：6
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